# Heart And Nervous SySTEM Quiz! Test

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Questions: 20 | Attempts: 399

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• 1.

### The pulse is:

• A.

Completed when the heart fills with blood and the blood is then pumped from the heart.

• B.

The measure of how many times your heart beats per minute.

• C.

Affects cardiac output and heart rate

• D.

Non of the above

B. The measure of how many times your heart beats per minute.
Explanation
The pulse is the measure of how many times your heart beats per minute. It is not related to the completion of the heart filling with blood and pumping it out, nor does it directly affect cardiac output and heart rate. The pulse rate can be used as an indicator of overall health and fitness, and it can provide information about heart rate variability and rhythm.

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• 2.

### The heart has 4 Layers and 3 champers.

• A.

True

• B.

False

B. False
Explanation
The statement is incorrect. The heart actually has 3 layers, not 4. These layers are the epicardium, myocardium, and endocardium. Additionally, the heart has 4 chambers, not 3. These chambers are the left and right atria, and the left and right ventricles. Therefore, the correct answer is False.

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• 3.

### The upper chambers receive oxygen-depleted blood coming back from the body and the lower chambers pump oxygen-rich blood back out to the body.

• A.

True

• B.

False

A. True
Explanation
The explanation for the correct answer is that the upper chambers of the heart, known as the atria, receive blood that is low in oxygen and high in carbon dioxide, which has been circulated throughout the body. The blood then flows into the lower chambers, called the ventricles, which pump the oxygen-rich blood out to the body through the arteries. This process ensures that oxygen is delivered to the body's tissues and organs, while carbon dioxide is removed. Therefore, the statement is true.

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• 4.

### Systole is :

• A.

Contraction

• B.

Relaxation

• C.

Manifestation

• D.

Conjugation

A. Contraction
Explanation
Systole refers to the contraction of the heart muscles, specifically the ventricles, during which blood is pumped out of the heart and into the arteries. This phase is followed by diastole, which is the relaxation of the heart muscles. Therefore, the correct answer is "contraction".

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• 5.

### The volume of blood ejected with each contraction of LV

• A.

Shock volume

• B.

Stroke volume

• C.

Blood volume

• D.

Pressure

B. Stroke volume
Explanation
Stroke volume refers to the volume of blood that is ejected with each contraction of the left ventricle (LV). It is an important measure of the heart's efficiency in pumping blood. The stroke volume is determined by factors such as the strength of the heart's contraction, the size of the ventricle, and the resistance in the arteries. It is typically measured in milliliters per beat and can be used to calculate cardiac output, which is the total volume of blood pumped by the heart in one minute.

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• 6.

### The Results in restriction of blood flow:

• A.

Myocardial infarction

• B.

Cerebrovascular incident

• C.

PeripHeral vascular disease

• D.

All of the above

D. All of the above
Explanation
All of the listed conditions, myocardial infarction, cerebrovascular incident, and peripheral vascular disease, can result in a restriction of blood flow. Myocardial infarction refers to the blockage of blood flow to the heart muscle, leading to heart tissue damage. Cerebrovascular incident, commonly known as a stroke, occurs when blood flow to the brain is interrupted, causing brain cell damage. Peripheral vascular disease involves the narrowing or blockage of blood vessels outside the heart and brain, leading to reduced blood flow to the limbs. Therefore, all three conditions can cause a restriction of blood flow.

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• 7.

### Atherosclerosis may progress to:

• A.

Hypertension

• B.

Obesity

• C.

Ischemic heart disease

• D.

MAP

C. Ischemic heart disease
Explanation
Atherosclerosis is a condition characterized by the buildup of plaque in the arteries, leading to narrowing and hardening of the blood vessels. This can restrict blood flow to the heart, causing ischemia (reduced blood supply) and potentially leading to ischemic heart disease. Ischemic heart disease refers to a group of heart conditions caused by reduced blood flow to the heart muscle, including angina and heart attacks. Therefore, it is a possible progression of atherosclerosis.

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• 8.

### All of the following are nutrition recommendations for atherosclerosis Except

• A.

Increase PUFA

• B.

Increase MUFA

• C.

Increase Saturated fat

• D.

Decrease Cholesterol

C. Increase Saturated fat
Explanation
The correct answer is "Increase Saturated fat." Atherosclerosis is a condition characterized by the buildup of plaque in the arteries, which can lead to heart disease and stroke. To reduce the risk of atherosclerosis, it is recommended to decrease the intake of saturated fat, as it can raise cholesterol levels and contribute to plaque formation. Increasing intake of polyunsaturated fats (PUFA) and monounsaturated fats (MUFA) is beneficial for heart health as they can help lower cholesterol levels. Decreasing cholesterol intake is also important in managing atherosclerosis.

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• 9.

### Ischemic heart disease is:

• A.

Over hydration of Heart

• B.

Inadequate blood supply to the heart

• C.

Dehydration

• D.

Non of the above

B. Inadequate blood supply to the heart
Explanation
Ischemic heart disease refers to a condition where there is inadequate blood supply to the heart. This occurs when the arteries that supply blood to the heart become narrowed or blocked, usually due to a buildup of plaque. The reduced blood flow can lead to chest pain (angina), heart attack, or other complications. Overhydration of the heart and dehydration are not related to ischemic heart disease. Therefore, the correct answer is inadequate blood supply to the heart.

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• 10.

### Impairment of the ventricles’ capacity to eject or fill with blood is :

• A.

Heart failure

• B.

MI

• C.

CPA

• D.

ABI

A. Heart failure
Explanation
Heart failure is the correct answer because it refers to the impairment of the ventricles' capacity to eject or fill with blood. This condition occurs when the heart is unable to pump enough blood to meet the body's needs. It can be caused by various factors, such as damage to the heart muscle from a heart attack (MI), high blood pressure, or certain diseases. Heart failure can lead to symptoms like shortness of breath, fatigue, and fluid retention. Treatment options include medications, lifestyle changes, and sometimes surgery.

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• 11.

### Oleic acid can lower LDL cholesterol.

• A.

True

• B.

False

A. True
Explanation
Oleic acid is a monounsaturated fatty acid found in various foods, such as olive oil and avocados. Research has shown that consuming oleic acid can help lower LDL cholesterol levels. LDL cholesterol is often referred to as "bad" cholesterol because high levels can increase the risk of heart disease. By incorporating foods rich in oleic acid into the diet, individuals can potentially reduce their LDL cholesterol levels and promote heart health.

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• 12.

### Defined as systolic blood pressure above 120 mm Hg and/or diastolic blood pressure above 80 mm Hg.

• A.

True

• B.

False

B. False
Explanation
The statement is false because the given definition of high blood pressure is incorrect. High blood pressure is defined as systolic blood pressure above 130 mm Hg and/or diastolic blood pressure above 80 mm Hg. Therefore, the correct answer is false.

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• 13.

### Supplies blood to head is:

• A.

Coronary

• B.

Cerebral

• C.

Splanchnic

• D.

Pulmonary

B. Cerebral
Explanation
The correct answer is "Cerebral" because the brain, which is located in the head, receives its blood supply from the cerebral arteries. These arteries deliver oxygen and nutrients to the brain cells, ensuring their proper functioning. Therefore, the cerebral arteries are responsible for supplying blood to the head.

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• 14.

### Measures of Heart Function done by:

• A.

Beats or pulse

• B.

BP systolic and diastolic

• C.

ECG

• D.

All of the above

D. All of the above
Explanation
The measures of heart function include beats or pulse, BP systolic and diastolic, and ECG. These measures provide information about the heart's rhythm, rate, and electrical activity. By monitoring these indicators, healthcare professionals can assess the overall health and functioning of the heart. Therefore, the correct answer is "All of the above."

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• 15.

### The more blood pumped from the heart per minute :

• A.

Regulates blood pressure

• B.

The higher the blood pressure.

• C.

The Lower the blood pressure.

• D.

No effect in blood pressure

B. The higher the blood pressure.
Explanation
When more blood is pumped from the heart per minute, it increases the volume of blood circulating in the arteries. This leads to an increase in blood pressure because the arteries have to accommodate the higher volume of blood being pumped. Higher blood pressure can be a result of various factors, including increased cardiac output or constriction of blood vessels.

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• 16.

### The compensatory mechanisms are activated by specialized cells that act as sensors are called:

• A.

Compensation action

• B.

Control drugs

• C.

Baroreceptors

• D.

Non of the above

C. Baroreceptors
Explanation
Baroreceptors are specialized cells that act as sensors and are responsible for activating compensatory mechanisms in the body. These receptors detect changes in blood pressure and send signals to the brain to initiate appropriate responses. They play a crucial role in maintaining homeostasis by regulating blood pressure and heart rate. Therefore, baroreceptors are the correct answer for the question.

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• 17.

### The parasympathetic nervous system has:

• A.

Fight or flight response.

• B.

Rest and digest function

• C.

Fight and rest function

• D.

All of the above

B. Rest and digest function
Explanation
The parasympathetic nervous system is responsible for the rest and digest function. This means that it promotes relaxation, slows down heart rate, and increases digestion and nutrient absorption. It is the opposite of the sympathetic nervous system, which triggers the fight or flight response. Therefore, the correct answer is rest and digest function.

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• 18.

### With sympathetic nervous responses:

• A.

Dilation of bronchial tubes in the lungs and pupils in the eyes

• B.

Increase in the rate and constriction of the heart

• C.

• D.

All of the above

D. All of the above
Explanation
With sympathetic nervous responses, various physiological changes occur in the body. This includes the dilation of bronchial tubes in the lungs and pupils in the eyes, which allows for increased air intake and improved vision. Additionally, there is an increase in the heart rate and constriction of the heart, which helps pump more blood to the muscles and organs. Finally, the sympathetic nervous system triggers the release of adrenaline from the adrenal gland, which further enhances the body's response to stress or danger. Therefore, all of the given options are correct as they represent the different effects of sympathetic nervous responses.

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• 19.

### All of the following are medications for Hypertension Except :

• A.

Beta blockers

• B.

• C.

Diuretics

• D.

ACE inhibitor

Explanation
Panadol Extra is not a medication for Hypertension. It is an over-the-counter pain reliever that contains paracetamol and caffeine. Hypertension is a condition characterized by high blood pressure, and medications commonly used to treat it include beta blockers, diuretics, and ACE inhibitors. Panadol Extra does not have any direct effect on blood pressure and is not indicated for the treatment of hypertension.

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• 20.

### The parasympathetic nervous system:

• A.

Constriction of bronchial tubes in the lungs and pupils in the eyes

• B.

Increase in heart rate

• C.

Construction of muscles

• D.

Decrease in urinary output

A. Constriction of bronchial tubes in the lungs and pupils in the eyes
Explanation
The parasympathetic nervous system is responsible for regulating various bodily functions during rest and relaxation. One of its effects is the constriction of bronchial tubes in the lungs, which helps to reduce the air flow and maintain a calm state. Similarly, the parasympathetic system constricts the pupils in the eyes, which helps to limit the amount of light entering the eyes and aids in focusing on nearby objects. These responses are part of the parasympathetic system's role in conserving energy and promoting restful states.

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• Mar 21, 2023
Quiz Edited by
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• Feb 28, 2020
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