Because vitamin A is a fat-soluble vitamin, excess intake can lead to a condition called hypervitaminosis A. This occurs when the body stores excessive amounts of vitamin A, which can cause a range of health problems.
As a fat-soluble vitamin, vitamin A is stored in the body's fat cells and liver. This storage capability allows the body to utilize vitamin A when needed, even if dietary intake is insufficient. However, it also means that excess intake of vitamin A can lead to accumulation in the body, resulting in hypervitaminosis A.
Hypervitaminosis A can cause various health problems. Symptoms may include nausea, vomiting, headache, dizziness, blurred vision, skin changes, and bone pain. In severe cases, it can lead to more serious complications such as liver damage, hair loss, and even birth defects if consumed in excess during pregnancy.
It's important to note that hypervitaminosis A is generally associated with consuming high-dose vitamin A supplements or consuming large amounts of animal-based foods that are high in preformed vitamin A (retinol). These include liver, fish liver oil, and certain dairy products. However, consuming plant-based foods rich in beta-carotene (a precursor to vitamin A) such as carrots, sweet potatoes, and leafy greens is generally safe, as the body converts beta-carotene into vitamin A as needed and does not accumulate excess amounts.
To avoid problems related to excess vitamin A, it is crucial to maintain a balanced and varied diet. If considering vitamin A supplements, it is essential to follow the recommended daily dosage and consult a healthcare professional for guidance, especially if you have any underlying health conditions.
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Give an example of a 2 x 2 matrix game with exactly three nash equilibria in pure strategies. Explain.
Answer:
A Nash equilibrium is a profile of strategies (s1,s2) such that the strategies are best responses to each other, i.e., no player can do strictly better by deviating. This helps us to find the (pure strategy) Nash equilibria.
To start, we find the best response for player 1 for each of the strategies player 2 can play. I will demonstrate this by underlining the best responses:
ABCA1–,10,101–,−10B10–––,01,11,10C−10,110–––,11,1
Player 1 is the row player, player 2 is the column player. If 2 plays column A, then player 1's best response is to play either row A or C, which gives him 1 rather than 0 as payoff. Similarly, the best response to column B is row A, and to column C it is row B.
Now we do the same for player 2 by underlining the best responses of the column player:
ABCA1–,1–0,10–––1–,−10B10–––,01,11,10–––C−10,1–10–––,11,1
So, if player 1 plays row A then player 2 best responds either with column A or column C, giving him 1 rather than 0. We also find the best responses for row B and C.
Now a pure strategy Nash equilibrium is a cell where both payoffs are underlined, i.e., where both strategies are best responses to each other. In the example, the unique pure strategy equilibrium is (A,A). (There may also be mixed strategy equilibria.) In all other cells, at least one player has an incentive to deviate (because it gives him a higher payoff).
EDIT: How to compute mixed strategy equilibria in discrete games?
In a mixed Nash strategy equilibrium, each of the players must be indifferent between any of the pure strategies played with positive probability. If this were not the case, then there is a profitable deviation (play the pure strategy with higher payoff with higher probability).
Consider player 2. He plays column A with probability p, B with probability q, and C with probability 1−p−q. We need to find p,q such that player 1 is indifferent between his pure strategies A,B,C. He is indifferent between row A (left hand side) and row B (right hand side) if p,q are such that
p+10q−10(1−q−p)=q+10(1−p−q).
He is indifferent between B and C if
q+10(1−p−q)=p+q+1−q−p=1.
You just have to solve the first condition for q as function of p, substitute q in the second condition and you have p. Inserting p again in the first gives you q.
Now we do the same with strategies for player 1 such that player 2 is indifferent. Player 1 plays A with probability x, B with probability y and C with probability 1−x−y. The two conditions that follow are
1x+10y−10(1−x−y)=x+10(1−x−y)x+10(1−x−y)=1
Solve this again to find x,y. This is a mixed-strategy equilibrium, because neither player has a profitable deviation. Remember, we constructed the profile (x,y;p,q) such that the other player is indifferent between his pure strategies. So, no matter how the other player unilaterally deviates, his expected payoff will be identical to that in equilibrium (x,y;p,q). In general, depending on the game and solutions x,y,p,q, there may be infinitely many mixed Nash equilibria, or none. The more pure strategies there are, the more tedious it is to compute mixed strategy equilibria, since we solve for N−1 variables for each player (N being the number of pure strategies of the other player).
Moreover, to find all equilibria, if there are more than 2 actions for a player, then every possible combination of actions has to be checked. Here, a player has 3 actions, and a mixed strategy equilibrium could entail mixing over all three or just any two of them. Since such a player would not have to be indifferent regarding the strategy played with probability 0, the equations you have to set up are different. In summary, manually checking for all possible mixed strategy equilibria if at least one player has more than two actions can require a lot of effort.
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The nurse checks a client's blood pressure using an automatic, noninvasive machine. The nurse notes that the machine inflates for an unusually long amount of time, and the client reports intense pain in the arm with the cuff. The device suddenly stops inflation and displays an error message. Which action by the nurse is appropriate
Send the machine for maintenance and repeating the measurement manually is the appropriate action taken by the nurse.
The most prevalent practice in hospital settings is blood pressure (BP) measurement, which offers crucial data for diagnosis and monitoring. For patients to receive the proper care and treatment in a timely manner, measurement must yield reliable data.
The blood is rushing through arteries with more force than usual if a person has high blood pressure (also known as hypertension). The increased pressure on the arteries might hasten the formation of fatty plaques (atherosclerosis). Numerous ailments, including heart attacks and strokes, are influenced by atherosclerosis.
A diet low in saturated fat and cholesterol and high in whole grains, fruits, vegetables, and low-fat dairy products can reduce high blood pressure by up to 11 mm Hg.
Blood is pushed through the circulatory system by blood pressure. Blood pressure is a crucial force because, without it, the circulatory system could not push nutrients and oxygen to nourish tissues and organs.
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Which of the following phases of drug product development may be improved as a result of equipment, regulatory, supply, or market demands? Stage 1, stage 2, stage 3 or stage 4?
Answer:
stage 3
Explanation:
Stage 3 phases of drug product development may be improved as a result of equipment, regulatory, supply, or market demands.
What is the definition of early stage drug development?The development of early and preclinical drugs is a complicated, regulatory, and strategy-driven process. The most significant aspect of the preclinical phase is selecting the finest novel molecular entities for clinical trials while limiting failure in complete development.
Researchers often find new medications through: new insights into a disease process that allow researchers to build a product to stop or reverse the illness’s symptoms. Many molecular compound experiments have been conducted in order to discover potential positive effects against a wide range of ailments. Substances on this list have a significant abuse potential, which can lead to serious psychological or physical dependency. Hydromorphone (Dilaudid®), methadone (Dolophine®), meperidine (Demerol®), and oxycodone (OxyContin®) are examples of Schedule II drugs.
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You are alone and find an unconscious victim on the ground who may need cpr. The scene is safe. You assess the victim and determine he is not breathing and will not awaken. You should?
when you assess the victim and determine he is not breathing and will not awaken. The best thing to do at that moment is to call for help.
What is CPR?
CPR stands for cardiopulmonary resuscitation.
Cardiopulmonary resuscitation is a lifesaving technique that's useful in many emergencies, such as a heart attack or near drowning, in which someone's breathing or heartbeat has stopped.
The American Heart Association recommends starting CPR with hard and fast chest compressions.
Thus, when you assess the victim and determine he is not breathing and will not awaken.
The best thing to do at that moment is to call for help.
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A raised swollen well defined area on the skin resulting from an insect bite or allergic reaction
Answer:
A wheal
Explanation:
You're welcome
The Brazelton Neonatal Blank______ Assessment Scale is used to help parents and care providers assess neonates' responsiveness.
The Brazelton Neonatal Blank Behavioural Assessment Scale is used to help parents and care providers assess neonates' responsiveness.
The Neonatal Behavioral Assessment Scale (NBAS), developed by Dr. T. Berry Brazelton and his associates, is regarded as the most thorough assessment of infant behavior currently available.
It is best described as a neurobehavioral evaluation scale that was created to capture the newborn infant's contribution to the emergence of the parent-child bond and to explain the newborn's responses to his or her new extrauterine surroundings.
The NBAS is built on the premise that a newborn baby is smart and intricately organized. The NBAS uses 28 behavioral items, each of which is assessed on a nine-point scale, to evaluate the newborn's repertoire of behaviors. It also includes a 20-item, four-point scale assessment of the infant's neurological condition. It is used to study the effect of prematurity, low birthweight, undernutrition, and a variety of pre- and perinatal risk factors, as well as the results of prenatal substance exposure, environmental toxins, temperament, and the behavior of newborns in various cultures, as well as results from prediction studies and research on primate behavior.
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EMS has a role in many public health issues, including: (A) regulating the number of work hours. (B) promoting safer vehicle design. (C) enforcing the speeding laws. (D) vaccination programs.
Answer:
D
Explanation:
Which is a potential consequence if documentation of a pain assessment/treatment is omitted from an animal’s record?
A nurse is caring for a client prescribed acetaminophen as needed for pain relief. The nurse knows acetaminophen should not exceed 4 grams per day. Name three (3) manifestations of toxicity the nurse should monitor for.
The three manifestations of toxicity of acetaminophen in which the nurse should monitor include the following:
SweatingNauseaAbdominal pain.What is Toxicity?
This is referred to the degree in which a chemical substance can cause damage to organisms as a result of destruction of cells etc.
When certain substances are taken in large quantities without any prescription, it could lead to overdose.
A typical example is acetaminophen which when exceeded 4 grams per day will present some symptoms such as abdominal pain, nausea which should be monitored to prevent complications etc.
This therefore makes it the most appropriate choice.
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Kaylee, a 19-year-old college student who is living away from home for the first time has been feeling tired and having trouble focusing for the last few weeks and goes to the campus clinic to see the nurse. Which findings lead the nurse to believe the student is experiencing protein malnutrition
The inability to focus is a symptom which indicates protein deficiency.
What is the function of proteins in the body?Proteins are large macromolecules found in the body which perform several functions in the body such as structural components.
Because proteins perform structural functions in the body, inability to focus is a symptom of protein deficiency.
In conclusion, proteins are important structural components of the body.
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for a patient with a new onset of Meniere disease, which meal choice indicates understanding of dietary modifications provides by the nurse to prevent attacks
For a patient with a new onset of Meniere disease the dietary modification icludes low salt diet and reduction of alcohol and caffeine daily intake.
An idiopathic inner ear ailment called Meniere's disease (MD) is characterised by tinnitus, fluctuating sensorineural hearing loss (SNHL) and spontaneous recurrent vertigo. Dietary changes, such as a low-salt diet and a daily intake reduction of alcohol and caffeine, are frequently used as the first line of treatment.
It is thought that a low salt consumption can aid to reduce endolymphatic pressure. Increased water and alcohol consumption enhances hearing and reduces the age at which Meniere's illness first manifests.
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If you draw a blood sample from a patient to determine whether he or she has a herpes simplex infection, and the patient displays a large amount of IgG against the virus but low levels of IgM, what do you conclude
When a patient has high IgG levels against the virus but low IgM levels, it indicates that the patient has had the infection for some time.
IgG plays a crucial role in the humoral immune response and is the predominant immunoglobulin found in blood, lymph fluid, cerebrospinal fluid, and peritoneal fluid. In addition to albumins, enzymes, various globulins, and a host of other proteins, serum IgG makes up roughly 15% of the total protein in healthy persons.
The first antibody the adaptive immune system produces in response to a foreign antigen is IgM. A 180 kDa heterotetramer of monomeric IgM exists.
IgG antibodies don't become detectable until 10–12 days after the infection, although IgM antibodies might be found several days after the initial infection. A positive test result could indicate that you have some immunity to the virus due to prior exposure.
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Which body composition assessment method requires normal body fluid levels, use of a proper prediction equation, requires a fast for 4 hours prior, and that no alcohol should be consumed within 48 hours of the test
The body composition assessment method mentioned in the question is Bioelectric impedance analysis.
The rate at which an electrical current move through the body is used as the basis for the bioelectrical impedance analysis (BIA), which is a method for measuring body composition. When compared to lean mass, body fat (also known as adipose tissue) creates a higher level of resistance (impedance), which in turn reduces the rate at which the current travels. Bioelectrical impedance analysis is the method that BIA scales use to calculate one's body fat percentage.
Different body tissues allow electrical current to move at different speeds. Fat is more resistive than either muscle or water, hence the greater the resistance, the more likely it is that the body fat % estimate will be higher. The majority of scales provide weight and percentage estimation of the total body fat, muscle, bone and water.
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Even though we all know that junk food is not healthy, it can be difficult to resist it, especially when we are busy. Do you think a person should never eat junk food? How might a person’s health be affected by the amount of junk food they eat? What is the relationship between nutrition and wellness?
It is not unhealthy for us to take junk food as we usually, frequently and most of the times need them especially when we are very busy at work or busy to prepare normal dietary food
However the quality of the food we eat determines how well and healthy we would be.
What are nutrition?Nutrition is simply means obtaining food substances
There are different types of nutrition
Heterotrophic nutritionAutotrophic nutritionExamples of junk foods include the following
BiscuitsSnacksChocolatesSweetsSo therefore, it is not unhealthy for us to take junk food as we usually, frequently and most of the times need them especially when we are very busy at work or busy to prepare normal dietary food but at the same time we should always find time to take mucj more healthy and nutritional food
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The LPN is assessing a 1-day-old newborn and notices a large amount of white drainage and redness at the base of the umbilical cord. What is the best response by the nurse
To request intravenous antibiotics and to report the finding, call the doctor right away.
What is umbilical cord?During pregnancy, a tube called the umbilical cord joins you to your unborn child. It has three blood vessels: two arteries transfer waste from your baby back to the placenta and one vein carries food and oxygen from the placenta to your baby.Because it transports the baby's blood back and forth between the newborn and the placenta, the cord is sometimes referred to as the "supply line" for the infant. It provides the newborn with nourishment, oxygen, and waste product removal. The umbilical cord begins to grow five weeks after conception.Wharton's jelly, a gelatinous substance primarily formed of mucopolysaccharides that shields the blood vessels inside the umbilical cord, is present there.Learn more about umbilical cord here:
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A young adult client sustains a spinal injury at the level of t5. which developmental task will be most difficult for this client to achieve?
The developmental task will be most difficult for this client to achieve is developing meaningful relationship
What is spinal injury?The spinal cord is located at the dorsal or posterior part of the body when in anatomical position.
There are various vertebrae that makes up the spinal column among which includes the thoracic vertebrae.
When there is trauma or injury to this part of the body, it can lead to damage of the spinal nerve which runs through the spinal cord.
Spinal cord injury is the type of injury that affects the spinal column due to the following causes:
motor vehicle accidentsFalls from a steep heightAct of violenceSports and recreation activities.T1 is the first thoracic vertebrae lead to nerve damage to the leg and lower parts of the body.
Therefore, the developmental task will be most difficult for this client to achieve is developing meaningful relationship.
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invezstments increwase exponentially by about 26% every 3 years if you made a 2000 investment how much money would you have after 45 years
The amount of money I would have after 45 years with an exponential increase is $64,060.18.
Given:
invezstments increwase by 26%
time = 3 years
investment amount = 2000
To Find:
amount of money after 45 years
What is the Future value of $2000?The formula for calculating future value:
FV = P(1+r)^n
FV Future value
P = Present valueR = interest rate• N = number of years = 45 / 3 = 15 years
$2000 x (1.26)^15 = $64,060.18
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All of the following are considered characteristics of health-related physical fitness EXCEPT Group of answer choices balance cardiorespiratory endurance muscular endurance muscular strength Flag question: Question 39
Balance is not considered as a characteristics of heath-related physical fitness.
Physical fitness is the ability of the body to perform work efficiently and the body should remain healthy to perform the daily activities in a proper way.
Muscular endurance is the ability of the muscles to perform contractions against a force for a greater period of time.
Muscular strength is the ability of a muscle to exert maximum force against an object.
Cardiorespiratory endurance is the ability of heart of lungs to supply oxygen to the working muscles during physical activity.
Thus, all of these three are considered as characteristics of health related physical activities.
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Eating a well-balanced diet, getting regular exercise, not smoking, and avoiding high-risk behaviors are all elements of ________.
Answer: Adopting a healthy lifestyle
Explanation:
A child with diabetes insipidus will be receiving injectable vasopressin when discharged from the hospital. What is the most important step when teaching injection techniques
The primary step is to train the health care professionals about the injection techniques and to determine if the child is of the appropriate age to receive the injection.
Good injection practice deals with selecting the appropriate site for administration. The route of administration of injection is mostly intramuscular in a child. The drug is delivered to the vascular muscle tissue and is rapidly absorbed into the circulation of the child. Diabetes insipidus is a disorder that leads to imbalanced fluid in the body. This causes frequent urination, a condition referred to as polyuria. Vasopressin is the anti-diuretic hormone, the lack of which causes diabetes insipidus. Administration of vasopressin externally helps the kidneys to retain water and prevent dehydration.
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If corrective action cannot be taken, the recommended next step is to
If corrective action cannot be taken, the recommended next step is to be careful
What is a corrective action?Corrective actions simply refers to those measures taken to adjust, eliminate or balance from errors made.
These actions could be taken or observed from work, school, or could even be in the family
Some few examples of corrective measures includes the following:
SensitivityPunctualityNeatnessObedienceSo therefore, if corrective action cannot be taken, the recommended next step is to be careful
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The best source of Omega-3 Fatty Acids is found in _______________. A highly concentrated and purified form of omega-3 fatty acids is also available by prescription only as a drug named _______________.
The best source of Omega-3 Fatty Acids is found in Fish Oil, whereas omega-3 fatty acids are also available by prescription only as a drug named Lovaza.
What is Lovaza?Lovaza is a prescription drug mainly composed of Omega-3-Acid Ethyl Esters (i.e., Omega-3 Fatty Acids).
This drug is recommended for people having cardiovascular disease due to the properties of Omega-3 Fatty Acids.
In conclusion, the best source of Omega-3 Fatty Acids is found in Fish Oil, whereas a highly concentrated and purified form of omega-3 fatty acids is also available by prescription only as a drug named Lovaza.
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Abacavir has been prescribed for a client. The nurse tells the client that which blood test will be done periodically while the client is taking this medication
Liver function test will be done periodically while the client is taking this medication.
What is liver test?The liver is a sizable organ in the abdomen that is responsible for several vital body processes, including filtering blood. It also qualifies as a gland because it produces essential substances for the body. The liver can be harmed by several conditions and methods of living, but there are various strategies to safeguard this important organ.The liver is the body's largest solid organ. It performs hundreds of other crucial tasks, such as clearing contaminants from the blood supply, regulating blood clotting, and preserving healthy blood sugar levels. It is in the right upper abdomen, below the rib cage.Blood tests called liver function tests, commonly referred to as liver panels, examine various enzymes, proteins, and other chemicals produced by the liver. These tests examine your liver's overall condition.Learn more about liver test here:
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Which of the following factors play a major role in determining that a clinical practice guideline is credible
It is clear that the developers attempted to conducts a systematic review for each important issue the guideline will address and use that evidence to formulate recommendations. Option C
What is clinical practice guideline ?The term clinical practice guideline refers to those set of standards of conduct that guide the relationship of the professionals with the client. They deal more with the ethics of the profession. The ethics of the profession has to do with what is right or wrong in the practice of the profession. Since nursing is a very noble profession, it is also guided by the known clinical practice guideline.
Certain factors play a major role in determining that a clinical practice guideline is credible. Hence, the factor that makes the clinical practice guideline credible is that; " It is clear that the developers attempted to conducts a systematic review for each important issue the guideline will address and use that evidence to formulate recommendations."
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Missing parts;
Which of the following factors plays a major role in determining that a clinical practice guideline is credible?
A. Findings with high correlations with patient characteristics were weighted heavily
B. It is clear that the developers met fact to face while developing the guideline and had candid discussion of the issues the guideline will address
C. It is clear that the developers attempted to conducts a systematic review for each important issue the guideline will address and use that evidence to formulate recommendations.
D. Only recommendations that were supported by a majority of the development team were included in the final guideline.
1 2 3 4 5 6 7 8 9 10 Since Claire rarely exercises, she should increase the number of calories she eats.
False, Since Claire rarely exercises, she should increase the number of calories she eats.
The "good fats"—monounsaturated and polyunsaturated—are known for being beneficial to your heart, cholesterol, and general health. Reduce the risk of heart disease and stroke with the aid of these lipids.Because they: Increase bad LDL and decrease good HDL, trans fats are the worst kind of fat for the heart, blood vessels, and the rest of the body.What are the 5 food groups?
The five food groups are fruits, vegetables, grains, protein foods, and dairy, as indicated by the MyPlate image. Dietary Guidelines for Americans 2015–2020 place a strong emphasis on the value of a comprehensively balanced eating pattern that uses all five food groups as essential building blocks, as well as oils.Learn more about healthy food
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Inattention symptoms include three types of symptoms: task incompletion, disorganization, and _______________.
Inattention symptoms include three types of symptoms, i.e., task incompletion, disorganization, and verbal inattention.
What do inattention symptoms mean?The inattention symptoms refer to different signs associated with a deficit of attention in a person during the learning process.
The inattention symptoms may be associated with deeper causes associates with cognitive altered impairment, thereby it should be ideally treated in healthcare centers.
In conclusion, inattention symptoms include three types of symptoms, i.e., task incompletion, disorganization, and verbal inattention.
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Which of the following foods would be least likely to contribute to the development of heart disease
The food that is listed among the options which is least able to cause heart disease is the fish oil. Option D
What is heart disease?Heart disease refers to any diseases that affects the effective functioning of the heart. It includes a number of diseases such as heart failure, hypertension, etc
The food that is listed among the options which is least able to cause heart disease is the fish oil.
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Missing parts
Which of the following foods would be least likely to contribute to the development of coronary heart disease? Butter, Margarine, Bacon, or Fish Oil.
The infection control nurse observes a new graduate nurse in the intensive care unit. Which action by the graduate nurse requires intervention by the infection control nurse
The action that requires intervention by the infection control nurse is when the graduate nurse scrubs beneath artificial nails when performing hand hygiene.
What is hand hygiene?Hand hygiene is a fundamental issue for the prevention and control of infectious diseases.
Hand hygiene needs to be practiced by the nurse in order to avoid cross-infection contamination.
In conclusion, the action that requires intervention is when the graduate nurse scrubs beneath artificial nails when performing hand hygiene.
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a registered nurse is teaching a group of students about functional consequencxes of physiological againg on the cardiovascular system quizlet
A higher response of baroreceptors in arterioles is seen with increasing age.
Older adults are more susceptible to orthostatic hypotension because their baroreceptors, which detect changes in blood pressure, respond slowly to these changes. As a result, this student nurse's remark highlights the need for additional instruction.
What is a baroreceptor?An example of a mechanoreceptor is a baroreceptor, which enables the autonomic nervous system to communicate information generated from blood pressure. In order to maintain blood pressure within a predetermined, normal range, information is then transferred rapidly in order to modify the total peripheral resistance and cardiac output.
How do baroreceptors respond in older adults?As we age, the baroreceptors become less sensitive. This may help to explain why a lot of elderly persons get orthostatic hypotension, a condition in which standing up from a laying or sitting position causes a drop in blood pressure. Because of this, there is less blood supply to the brain, which results in dizziness.
I understand the question you are looking for is this:
A registered nurse is teaching a group of students about the functional consequences of physiological aging on the cardiovascular system. Which statement made by a student nurse indicates the need for further teaching?
An increased risk of arrhythmias is due to changes in conductive tissues.The heart of an older client may have some degree of diastolic dysfunction.A higher response of baroreceptors in arterioles is seen with increasing age.A decreased ability of arteries to vasodilate is associated with free radical damage of cell membranes.Learn more about baroreceptors here:
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In the united states, gender differences in smoking cigarettes have _____ in recent years.