HELP !!!!!!!!! IM SOOO CONFUSED

Different leads are used to measure the ECG because

Select one:


a.

measurement of heart rate depends on which lead is used to measure it


b.

the signal has a larger amplitude on some leads so it is easier to measure


c.

it is easier to attach some leads to the patient


d.

the interval between ECG events differs on the different leads


e.

they provide information on the spread of the heart beat and to help diagnose which areas of the heart are affected by pathology

Answers

Answer 1

Answer:

e.

Explanation:

they provide information on the spread of the heart beat and to help diagnose


Related Questions

What does PONCH stand for?

phosphorus, oxygen, nitrogen, carbon, and hydrogen

phosphate, oxygen, nickel, carbon, and hydroxide

pulmonate, oxygen, sodium, calcium, and helium

phosphate, oxygen, nitrogen, carbonide, and hydrogen

Answers

Answer:

PONCH stands for : phosphorus, oxygen, nitrogen, carbon, and hydrogen.

The monomer of a lipid if amino acids.

True
False

Answers

False- the monomers of lipid are Fatty acid and glycerol.

why are the offspring of coral identical to the parent

they reproduce sexually so offspring have increased genetic variation

they reproduce asexually so offspring have increased genetic variation

they reproduce sexually so offspring have decreased genetic variation

they reproduce asexually so offspring have decreased genetic variation

Answers

Answer:

they reproduce asexually so offspring have decreased genetic variation

Explanation:

when an organism reproduces asexually, its offspring will look identical to the parent due to the offspring only receiving genes from one parent. I hope this helps!

Which type of cell-to-cell junction joins intermediate filaments ( keratins) in one cell to the basal laminate; welding down the cells of the epithelial and providing tensile strength?
A. Right junction
B. Desmosomes
C. Gap junction
D. Hemidesmosome
E. Adherents junction

Answers

Answer:

Desmosomes 

Explanation:

Desmosomes Connect Intermediate Filaments from Cell to Cell

Through desmosomes, the intermediate filaments of adjacent cells are linked into a net that extends throughout the many cells of a ti

Which of the following best describes how the amount of DNA in the cell changes during M phase?

The amount of D N A doubles as the D N A is replicated.
The amount of D N A slightly increases as a result of new organelle synthesis.
The amount of D N A does not change while the cell grows.
The amount of DNA is halved as the cell divides into two daughter cells.

Answers

Answer:

The amount of DNA doubles as the DNA is replicated

Explanation:

on the graph it shows that the DNA is x2 by the time it reaches G2

The amount of DNA is halved as the cell divides into two daughter cells. Therefore, option (D) is correct.

What is M phase?

M phase, also known as mitosis, is the phase of the cell cycle in which a cell divides into two daughter cells. M phase is divided into several stages, including prophase, prometaphase, metaphase, anaphase, and telophase. During prophase, the cell's nucleolus disappears and the chromatids (replicated chromosomes) become visible. In prometaphase, the nuclear envelope breaks down and the mitotic spindle begins to form.

During metaphase, the chromosomes line up at the equatorial plane of the cell. In anaphase, the sister chromatids are separated and move to opposite poles of the cell. Finally, in telophase, two new nuclei form and a new cell wall begins to grow between the two daughter cells. Overall, M phase is a crucial step in the cell cycle that ensures the accurate segregation of genetic material to the daughter cells.

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Which of the following are unique to animals? Flagellated gametes, nervous system signal conduction in muscular movement, heterotrophic, the structural carbohydrate chitin

Answers

Answer:

Nervous system signal conduction in muscular movement

Explanation:

Hope i helped :)

Which of the following is true about a trait? *
A trait is an organism's physical appearance
A trait is how an organism behaves
The gene in an organism's DNA determines its trait
Two of the above are true
All of the above are true

Answers

Answer:

D

Explanation:D Sorry if I'm wrong!

if the chloroplasts of a plant cell are damage, which will it be unable to do?​

Answers

Answer:

Become Green

Explanation:The Organelles that are green will be destoryed causing the plant not to be able to become green

5. Jackson shares what he calls "his little depressing story" about coral reefs in Jamaica following a hurricane. He claims destruction such as that in Jamaica is only getting worse. Please elaborate on why it is getting worse, being sure to tie in natural weather catastrophes to your answer.

Answers

Answer:

In Jacksons talk about his depressing story he talks about how after a natural disaster such as a hurricane there is some kind of successional sequence of recovery but now what's happening is that overfishing, pollution, and climate change are all interacting In a way that prevents the recovery.  

Explanation:

I had the same question in my marine science class and got it right.

in this investigation the independent (or tested) variable is a. the speed of the rat b. letting the rat 10 times c. adding the rat's favorite treat at the end d. using the same maze

Answers

The cas because they are not vegan and they are not good enough for me and I’m not like that what

What percent of global freshwater is estimated to be used for crop irrigation?
90%
2.5%
60%
30%

Answers

Answer:

2.5%

Explanation:

because the global freshwater is estimated and observe percentage of water to used for crop irrigation and they compelled that 2.5% is exactly to used.

2.5%

Easy rule of thumb to narrow down is knowing 97% of earths water is found in oceans which are too salty to drink, growing crops, and most industrial uses except cooling.

Did you know that your bum can make three states of matter? Solid, Liquid, ad Gas

Answers

Answer:

Nope

Explanation:

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Nope

Need ASAP! TIA
Explain how probability theory can be used in agriculture.

Answers

Answer:

occurrence

Explanation:

Probability is a mathematical construction that determines the likelihood of occurrence or nonoccurrence of events that are subjected to chance factor. Thus the farmers are interested to know the probability of occurrence of rain before and after spraying. ... In this regard probability plays a great role

The probability theory can be used in agriculture in order to estimate grain yields and thus select which crop is suitable in a calendar year.

What is the probability theory?

The probability theory is a model aimed at understanding statistic probabilities in a given problem/issue.

The probability theory involves theoretical, experimental and axiomatic probabilities.

This theory (probability theory) is used to analyze random processes such as rain (precipitation) levels.

In conclusion, the probability theory can be used in agriculture in order to estimate grain yields and thus select which crop is suitable in a calendar year.

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most nectar in flowers is contained in the middle of the blossom at the base of the patels. why you think the location of the nectar in important for the plants reproduction

Answers

For them to get Lolo

Guys how to make my hair tall and healthy

Answers

i dont have an answer, just wanted to add if anyone knows how to take care of super curly, untamable hair plz comment and give me some tips. i got chemo curls and they keep getting wilder each day. (yeah im ok, if you're wondering)
Ask your doctors for supplements about your hair. Buy growth oil supplements. Don’t towel dry. Use the right brush. Coconut oil is another great way to make your hair smooth and healthy.

Why is it that dominant diseases are not as common as recessive ones?

Answers

Answer:

Mainly because if a disorder is dominant, then it will be manifested by all who have the gene. If the disorder is severe, then it will reduce the chances of the individual surviving to grow up and reproduce (unless the disorder only manifests symptoms in later life). If they do reproduce, then 50% of their offspring will inherit the gene, and be at a similar disadvantage in reproduction. Thus, there is likely to be selection against the gene. By contrast, a recessive disorder is only manifested if both parents pass on the abnormal gene, and an individual with one gene for the disorder is usually at no disadvantage. Thus, there is much less selection against abnormal recessive disorders.

What stage of cell respiration is being shown above?

Answers

The stage of cell respiration that is being shown above is oxidative phosphorylation. During this stage, the transport of electrons is coupled to the generation of an electrochemical gradient.

Cellular respiration can be defined as a series of metabolic reactions by which aerobic cells generate energy in the form of ATP.

Cellular respiration has three main stages: glycolysis, the Krebs cycle and oxidative phosphorylation.

During oxidative phosphorylation, the transport of electrons across the mitochondrial membrane is coupled to the generation of an electrochemical gradient, which is then used to generate ATP by an ATP synthase as shown in the figure.

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how does water cause frost wedging

Answers

Answer:

when water gets in crack, freezes, and expands.

Hopefully this is the right answer

What does it mean for a bacteria or protist to be photosynthetic?
O They are responsible for disease growth.
o They are only responsible for the decomposition of compost.
They are a primary producer of biomass in the ocean.
They are multi-cellular organisms.

Answers

C is the right answer

If a bacteria or protist is photosynthetic that means they are the primary producer of biomass in the ocean.

What are primary producers?

Primary producers are organisms that produce their own food through the process of photosynthesis or chemosynthesis. These organisms are the base of the food chain in most ecosystems, as they provide the energy that drives the ecosystem.

Photosynthetic primary producers, such as plants, algae, and some bacteria, use energy from sunlight to convert carbon dioxide and water into glucose, a type of sugar. They release oxygen as a byproduct of this process.

Chemosynthetic primary producers, such as some types of bacteria, use energy from chemical reactions to convert inorganic substances into organic matter. These reactions typically involve the oxidation of sulfur compounds or methane, and they occur in environments where sunlight is not available, such as deep ocean vents and underground coal mines.

Primary producers are important because they provide the energy that drives the food chain and support the rest of the ecosystem. Without primary producers, higher-level consumers, such as herbivores and carnivores, would not have a source of energy.

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Which clouds are best associated with a thunderstorm?
o towering funnel clouds
o swirling clouds with a calm center
o high cumulonimbus

Answers

B
Should be the right answer
answer

C

Hope this is it!

What analysis and data is science based upon

Answers

Answer:

Analyzing Scientific Data

Science is all about collecting data. If we look at the definition of science, we can say that science is the study of the natural world through systematic observation and experiment. That observation and experiment is where you collect the data.

Explanation:

Give reasons :
a) Nylon clothes should not be worn in the kitchen.
b) Cotton fibre is used to make bath towels.
c) Umbrellas and raincoats are made from synthetic fibres

Answers

Answer:

a) It is dangerous to wear nylon clothes while cooking because it is a synthetic cloth and they catch fire easily also they can stick on our body which is very painful.

b) Cotton is a natural product. And unlike synthetic fibres, it is more absorbent. The towel hence has high absorbency.

c) Nylon and polyester are two fabrics most commonly used in raincoats and umbrellas. They are not absorbent the way natural fibers are. They naturally resist waterlogging, and can be made waterproof.

The proccess of photosynthesis can be represented by the chemical formula _________

Answers

Answer:

6H2O + 6CO2 ----- C6H1206 + 6O2

the individual blades are called a) simple leaf b) compound leaf c)leaflets d) leaf gap​

Answers

The individual blades are called leaflets. The leaflets are also referred to as

foliole.

The leaflets is referred to as the individual leaf and is usually not attached

directly to the main stem of the plants.

A simple leaf has only one blade while a compound leaf has two or more

blades which are divided into parts which we call leaflets. Leaflets are

usually in groups in plants and can be plucked individually from the

branches of trees.

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Arrange the following budget components. Which of these needs the highest amount of budget in your family? You may seek help from your parents.

Savings
food
education
medical & dental
Recreation
household operations
utilities

1.
2.
3.
4.
5.
6.
7.​

Answers

The needs with the amount of budget from highest to lowest include

FoodEducationHousehold operationSavingsMedical & dentalUtilitiesRecreation.

The most important aspect of life in organisms is food as we need it to stay

alive and healthy which is why it has the highest budget.

Education comes second due to it ensuring people are learned ,developed

and has a relatively high cost.

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Why are there not many vaccines for fungal & parasite disease as we have for viral and bacterial disease?

Answers

Answer:

it is very easy to kill the pathogen by vaccination but it is very difficult to detoxify the toxins produced in the host.

Explanation:

Hopefully this helped!

What is carbon?
A. an element
B. a compound
C. an
organism

Answers

It as an element with an atomic number of 6 in the periodic table
Carbon is an element.

Which of the following correctly describes a graded potential?

Answers

Answer:

Graded potentials are changes in membrane potential that vary in size, as opposed to being all-or-none.

Explanation:

btw, where are the options?

The statement which correctly describes a graded potential is: amplitude of various sizes.

Graded potential refers to a temporary change in electric or membrane potential of a stimulus with respect to both its size and distance.

Amplitude can be defined as the maximum displacement of a wave when measured from its equilibrium position.

Thus, amplitude is measured vertically from an equilibrium position.

Generally, a graded potential is directly proportional in amplitude to the size of the stimulus that is send as an input due to the following:

DepolarizationHyperpolarization

In conclusion, the statement which correctly describes a graded potential is amplitude of various sizes.

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Lipids are what?

proteins

acids

fats

amino groups

Answers

The word “lipid” is another word for “fat”. So the answer is fat.

- Lysogenic life cycle of viruses causes the burst of the host cell (T/F)


- Spot method of detection of bacteriophages is a qualitative method
(T/F)

Answers

1. True. Both lysogenic and lytic cycle cause the host cell to burst and release new viruses. The difference is the lysogenic cycle has the viral dna insert into the host dna then a period of dormancy before creating viral proteins. 2.true. The spot test method can be used to give you a yes or no (positive or negative) to the presence of bacteriophages but it does not tell you a quantity so it is qualitative information.
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