Explain musclecontraction based on neuroelectrical factors, chemical interactions, and energy sources.

Answers

Answer 1

Answer:

Neuroelectrical Factor

1. Potassium ions (K+) are greater inside the muscle cell than outside, whereas sodium ions (Na+) are greater outside than inside.

2. The inside of the cell is negatively charged electrically, whereas the outside is postively charged.

3. Nerve impulse reaching a neuromuscular junction causes axon endings to release the neurotransmitter acetylcholine

4. This makes the cell membrane permeable to Na+. They rush in creating an electrical potential. K+ begin to move out to try to restore the resting potential but cannot do so because so much Na+ rushes in.

5. This causes the muscle cell to generate its own impulse called the action potential, which penetrates deep into the muscle fiber via the T tubules

6. This action potential causes the sarcoplasmic reticulum to release Ca+ into the fluids surrounding the myofibrils

7. The Ca++ stops the action of the inhibitor substances troponin and tropomyosin (which kept actin and myosin apart), thus causing the contractile process to occur.

Chemical Factor

1. Ca++ combines loosely with myosin to form activated myosin

2. Activated myosin reacts with ATP, attached to the myosin, and releases energy from the ATP to form actomyosin

3. Myosin filaments have cross bridges that now connect with the actin and pull the actin filaments in among the myosin filaments

4. A sliding process occurs: the width of the A bands remain constant but Z lines move close. By now the sodium-potassium pump kicks in to restore the resting potential. Ca++ gets reabsorbed and contraction ceases

Energy Sources ATP

1. Glycolysis: glucose to pyruvic acid, net gain eight ATP if O2 present, if no O2 then lactic acid forms with net gain of two ATP.

2. Krebs citric acid cycle: pyruvic to CO2 + H2O + 30 ATP (28 ATP + 2 GTP)

3. Phosphocreatine in muscle cells: phosphocreatine --- creatine + PO4 ---ATP

4. Free fatty acids: fatty acids --- CO2 + H2O + ATP

Explanation:


Related Questions

The physician has ordered acyclovir 200 mg tid. On hand you have 200 mg capsules. How many capsules will be given per day?

Answers

dose, and how much total drug you will thus need to fill the patient's prescription. ... an ear infection, are 30-50 mg/kg/day, with the total daily dose given as three separate ... between 200mg and 333mg, it would be easiest to have the parents administer ... use full dosage forms for tablets and capsules whenever possible.

The nurse is preparing to administer celecoxib to a patient. What medication taken by the patient should the nurse monitor because of an increased risk of
adverse effects?

Answers

Side effects I believe is the most important answer

A health professional who observes that the patient is normal refers to the findings as

Answers

Answer:Professionalism also involves confidentiality, continuity, trust, honesty and compassion. ... The report agreed that professionalism in healthcare can be defined as: “A set of values, behaviours, and relationships that underpins the trust the public has in doctors.The primary rationale for professionalism and collaboration is to promote patient safety. Health care is delivered by teams of professionals who need to communicate well, respecting the principles of honesty, respect for others, confidentiality and responsibility for their actions.

Explanation:

hope you have a nice night also hope this helps ❤️❤️

Professionals in healthcare and medicine is described as "a collection of beliefs, behaviors, and connections that supports the public's faith in doctors," according to the paper.

Patient care is the key motivation for expertise and teamwork.

Teams of professionals offer health care, and they must communicate effectively while adhering to the ideals of honesty, regard for others, confidentially, and accountability for their activities.

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Evaluation and Management Coding Practice:

S: Monica Sullivan was seen in the office by Dr. White on 12/13 for the second time. She presented with a chief complaint of dizziness and weakness; she stated that she wanted to have her blood pressure checked.

O: Patient has been on Vasotec 5 mg and Hydrodiuril 25 mg. BP has been going up at home. Patient has felt ill, weak, and dizzy, with headache for three days. Cardiovascular exam was normal. BP of 130/110 and pulse rate of 84. Her temperature is 98.6°F and normal.

A: Accelerated hypertension. Bell's palsy.

P: Increase Vasotec to 5 mg a.m. and 2.5 mg p.m. SMA & CBC.

E/M category/subcategory: Office or Other Outpatient Services, Established Patient

Determine the extent of history obtained: BLANK problem focused

Determine the extent of examination performed: problem focused

Determine the complexity of medical decision making: moderate complexity

CPT E/M code: 99212

*Please answer the "BLANK" word

Answers

I believe it’s the answer “determin the extent”

Monica Sullivan was seen in the office by Dr. White on 12/13 for the second time, so here The blank word is "problem focused," as an evaluation and management (E/M) visit is a crucial factor in determining the appropriate level of E/M coding.

What is a problem-focused health service?

Monica Sullivan's history was problem-focused in this case, as the doctor only obtained information related to her primary complaints of dizziness and weakness; later, it was also problem-focused, as the doctor only performed a cardiovascular exam and took the patient's blood pressure, pulse rate, and temperature.

Hence, Monica Sullivan was seen in the office by Dr. White on 12/13 for the second time, so here The blank word is "problem focused," as an evaluation and management (E/M) visit is a crucial factor in determining the appropriate level of E/M coding.

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Describe what is included in the Consumer-Patient Radiation Health and Safety Act.​

Answers

The Consumer-Patient Radiation Health and Safety Act of 1981 is a federal law, that requires anyone taking radiographs be trained and certified.

The act aims to protect the public from unnecessary radiation exposure by providing consumers with information about the radiation emitted by medical imaging equipment and by establishing safety standards for the use of this equipment.

What is Consumer-Patient Radiation Health and Safety Act?

The Radiation Control for Health and Safety Act of 1968 is a law that regulates the production and distribution of electronic products that emit radiation. The law is enforced by the U.S. Food and Drug Administration (FDA) and applies to products such as televisions, microwave ovens, and cell phones.

The law sets limits on the amount of radiation that these products can emit, and requires manufacturers to meet these limits before putting their products on the market. The law also requires manufacturers to label their products with information about the radiation emitted, so that consumers can make informed decisions about the products they purchase. Additionally, the FDA has the authority to recall products that do not meet the requirements of the law.

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The physician has ordered Tigan (trimethobenzamide) 50 mg IM. On hand you have a 20 mL vial that contains 100 mg/mL. How many mL will you give?

Answers

Answer:.5

Explanation:

The physician has ordered Tigan ( trimethobenzamide) 50 mg IM. On hand if i have 20 ml vial that contain 100 mg/ml than 5 ml of Tigan is given to the patient.

What is tigan ( trimethobenzamide) ?

Tigan (Trimethobenzamide) is an antiemetic suggested for the treatment of postoperative nausea and vomiting, and for nausea associated with gastroenteritis.

The condition  in which tigan is discontinued in the case in which lack of efficacy.

The mechanism of action of Tigan is determined in animals is obscure, but may involve the chemoreceptor trigger zone (CTZ), an area in the medulla oblongata through which emetic impulses are conveyed to the  vomiting centre.

Therefore,the physician has ordered Tigan ( trimethobenzamide) 50 mg IM. The condition  in which tigan is discontinued in the case in which lack of efficacy. On hand if i have 20 ml vial that contain 100 mg/ml than 5 ml of Tigan is given to the patient.

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The Howard University College of Nursing and Allied Health Sciences, while cognizant of the nature of society and the health care delivery system, has as its purpose the development of students who can effectively and efficiently address the diverse and complex health care needs of society. Describe your interest in the health care industry and how the College of Nursing and Allied Health Sciences can be instrumental in your development as a leader caring for underrepresented populations.

Answers

Answer:

From a young age, I realized that I like helping others, then I discovered my interest in medicine and science, which lead me to pursue a career in health.

As I investigate the branches that the health industry has, I became interested in physical therapy and kinesiotherapy. These allied health sciences are as important as a physician or any other professional in the health industry. They give mobility back to an injured person and also prevent future problems.

The College of Nursing and Allied Health Sciences would be of great help for me since I can study the mentioned health sciences and help people in my native American community. They are humans beings with extreme potentials to make the world a better place. Also, they teach the younger generations the community's traditions. Studying physical therapy can help me to teach them how to do the right movements to prevent injures, and cure them when they have a physical problem.

In conclusion, the College of Nursing and Allied Health Sciences would be my opportunity to fulfill my desire to help others and help my community to thrive.

Explanation:

In this essay, we write a brief introduction that can catch the reader's attention. Then, we develop the main paragraphs, explaining our interest in the health care industry and how the institution can help you as a leader caring for underrepresented populations, which, in this case, is a native American community. Lastly, we write a final paragraph reaffirming why we would like to be a part of the College of Nursing and Allied Health Science.

Can anyone do this vet worksheet for me it's 68 questions i will pay as long as the answers are correct

Answers

Answer:

You can get the answer from G00gle.

Explanation:

Please do try the Indian server of Brainly

It Is much better than this

Discuss why quality is considered subjective. Your discussion should be at least 200 words.

Answers

Answer:

whyat is this

Explanation:

um what type of question is this who has time to write 200 words

How was medicine made?

Answers

Answer:

With chemicals and atoms.

Explanation:

Atoms gooood and chemicals the good kind (medicine).

The physician has ordered diphenhydramine 25 mg. On hand you have liquid that contains 50 mg/10 mL. How many mL will you give?

Answers

Answer:

5ml

Explanation:

25 mg is half of 50mg and 5ml is half of 10ml

how does Long masterol affect reaction time ?

Answers

Answer:

there is time travel in math tecnologest and

portal in science on expirement

Explanation:

sana po makatulong po sa inyo

The physician has ordered metronidazole 2 gm po. On hand you have 500 mg tablets. How many tablets will be given?

Answers

Answer:

4

Explanation:

1000mg equals 1gm

The muscular partition between the thoracic and abdominal cavities is the

Answers

Answer: Diaphragm

Explanation:

____ penicillin kills bacteria was discovered in 1928 by Alexander Fleming.
a.what
b.that
c.who
d.which
e.when

Answers

Answer: e. when

Explanation:
WHEN penicillin kills bacteria was discovered in 1928 by Alexander Fleming

Bradley get an e-ray at a radiology clinic that employs it's own technologies and radiologists. Would the coder at the clinic report the technical and professional components of this x-ray seperately?

Answers

Answer:

Yes

Explanation:

The professional component of an x-ray is usually reported by a physician which includes the interpretation, supervision and provision of a report.

An x-ray service is made up of two distinct components which are ; Technical and professional components hence a coder at a clinic can as well report  both the Technical and professional components but he has to do it separately.

This is simply because the technical component helps for proper billing while the Professional component involves the interpretation, supervision and written report as regards to the x-ray

Which of the following is an example of an entrepreneurial inventor?
A medical secretary who reorganizes the office paperwork
A physiotherapist who uses a new stretching technique she just read about
A heart surgeon who designs an artificial heart valve that improves heart functioning
A dentist who sells electric tooth brushes
DO NE

Answers

A heart surgeon who designs an artificial heart valve that improves heart function.

Answer:

c

Explanation:

The physician has ordered Ceclor (cefaclor) 250 mg. On hand you have liquid that contains 500 mg/10 mL. How many mL will you give?

Answers

Answer:

5 mL=250 mL

Explanation: Is equal to250 mL

The physician has ordered Carafate (sucralfate) 1 gm qid. You have 1,000 mg caplets. How many caplets will be given for each dose?

Answers

Answer:

1 capsule 4 times a day.

Explanation:

Qid is a medical term meaning 4 times a day, and 1 gm= 1,000 mg.

Tommy Anderson, a 5-year-old patient, is seen in the office because of an outbreak of impetigo. Rose must apply the concepts of the chain of the infection and infection control methods to teach Tommy and his mother how to prevent the spread of the infection to other members of the family. What procedures should she follow after Tommy's visit to prevent the spread of the infection to other patients, other staff, and herself?

Answers

Answer:

The procedures Rose must follow after Tommy's visit to prevent the spread of the infection to other patients, other staff, and herself includes:

1. She should disinfect the area to avoid other children who are at greater risk or adults from contracting the infection.

2. She should wash everything including surfaces that Tommy came into contact with in hot water.

3. Other patients with skin cuts, should have it treated or bandaged. Since a case has been registered, preventing the infection from spreading should now be the goal.

4. Population of the hospital should be reduced because the infection spreads faster in a congested environment.

5. Rose should wash her hands with soap and water and encourage other staff and patients to do the same.

6. Rose should ensure bed linens and clothing Tommy came in contact with her changed.

Explanation:

Impetigo is an infection of the skin caused by bacteria infestation on a broken or skin that is exposed through cuts. It is contagious hence need to avoid close contact with an infected person and avoid sharing their personal items like clothes. Depending on the type of impetigo, an infected person usually have reddish sores and blisters. Good hygiene, avoiding exposure to cuts or wounds on the skin could help prevent contracting impetigo, however, antibiotics are used to treat the infection

Which two major body systems help regulate acid-base balance in the body? Provide an example of how each of these systems accomplishes these tasks?

Answers

Answer:

How acid-base balance is maintained including the role of the kidney and lungs as means of excreting excess acidic or basic ions.

Explanation:

The lungs and kidneys are two major systems that work on a continuous basis to help regulate acid-base balance in the body.

1. A medication is ordered as 50 mg/kg/day every 6 hours. If a child weighs 30 lb, how much is the daily dose?
2.The physician has ordered meperidine 75 mg IM. On hand you have a vial that contains 25 mg/mL. How many mL will you inject?
3. A medication is ordered as 50 mg/kg/day to be given every 6 hours. If a child weighs 30 lb, how much is given for each dose?

Answers

Answer:

1. 650mg given four times a day is 2,600mg total daily dose.

Explanation:

2. 3 ml.

3. 650mg is a dose.

The physician has ordered meperidine 75 mg IM. On hand you have a vial that contains 25 mg/mL. How many mL will you inject?

Answers

Answer: 3

Explanation: 25 mg = 1 mL

Begin a Pitocin infusion at 5 mu/min via IV pump for labor induction. On hand is Pitocin 40units in 1000ml Lactated Ringers. How many ml/hr will the IV run?

Answers

Answer:

1005ml

Explanation:

because influsion is 5min and 1000ml lactated ringers

selma paid 17.64 for a 7.94-kg bag of dog food. a few weeks later, she paid $18.88 for an 8.39-kg bag at a different store. find the unit price for each bag. than state which bag is the better buy based on the unit price. round to the nearest cent

Answers

Answer:

Explanation:

For store 1:  

You have to divide 17.64 by 7.94 which will be 2.22 per kg

Store 2: 18.88 divided by 8.39 = 2.25 per Kg

I say the 1st store is better to buy because its cheaper than store 2.

Hope this helps!!! :)

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Answers

Answer:

no I have a great day of school and again and again 5555555gg have a great day of school and again and again and 5555555 but I have a great day of school and I am a very happy birthday party and again and I have to be in the world is the world

Explanation:

h

The over-the-counter weight loss drug Alli contains the same drug as the prescription weight-loss drug Xenical, but at a lower dose
True
False

Answers

Answer:

I think its false

Explanation:

does anyone really smart in all subjects and would be willing to do my homework ? i will pay ! as long as answers are correct (vet class)

Answers

Answer:

I can help you but i don't need money just brainiest is enough

Explanation:

Answer:

i can try to help :D

Explanation:

The physician has ordered diphenhydramine 25 mg. On hand you have liquid that contains 50 mg/10 mL. How many mL will you give?

Answers

Answer:

The physician has ordered diphenhydramine 50 mg bid. On hand you have 25 mg capsules. How many will you give for each dose? The physician has ordered Bicillin 600 000 units IM On hand you have a prefilled cartridge that contains 1 200 000 units/2 mL. How many mL will you inject? The physician has ordered Pen-Vee K 250 mg qid. You have 250 mg tablets How many tablets will be given for one day? The physician has ordered diphenhydramine 25 mg. On hand you have liquid that contains 50 mg/10 ml How many mL will you

Are there two species of humans in this world

Answers

Yes male and female
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