Question 1

Choose the most correct statement concerning capillaries.

Accepted Answer

A) Networks of capillaries are called capillary nets. 
B) Almost all capillaries are open at the same time. 
C) The only site of nutrient,gas exchange,and waste exchange is the capillaries. 
D) Pre-capillary sphincters contract to increase capillary flow. 
E) The walls of capillaries contain smooth musclE. 
A) Networks of capillaries are called capillary nets. 
B) Almost all capillaries are open at the same time. 
C) The only site of nutrient,gas exchange,and waste exchange is the capillaries. 
D) Pre-capillary sphincters contract to increase capillary flow. 
E) The walls of capillaries contain smooth musclE.

Question 2

Elizabeth takes a prescription drug that dilates her arterioles.What does this do to her blood pressure? Why?

Accepted Answer

A) It falls because this increases the cross-sectional area of the vessels. 
B) It rises because this increases the cross-sectional area of the vessels. 
C) It falls because this decreases the cross-sectional area of the vessels. 
D) It rises because this decreases the cross-sectional area of the vessels. 
E) It stays the same because venules,not arterioles,control blood pressurE. 
A) It falls because this increases the cross-sectional area of the vessels. 
B) It rises because this increases the cross-sectional area of the vessels. 
C) It falls because this decreases the cross-sectional area of the vessels. 
D) It rises because this decreases the cross-sectional area of the vessels. 
E) It stays the same because venules,not arterioles,control blood pressurE.

Question 3

The cardiac muscle is supplied with nutrients from the blood within the heart itself.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is the largest artery of the systemic circuit?

Accepted Answer

A) aorta 
B) vena cava 
C) femoral artery 
D) carotid artery 
E) pulmonary artery 
A) aorta 
B) vena cava 
C) femoral artery 
D) carotid artery 
E) pulmonary artery

Question 5

A blood pressure of 90/40 is considered normal.

Accepted Answer

A) True 
 B)False

Question 6

Mrs.Hinson was informed that her blood pressure was 150/95.These numbers indicate that she has __________.

Accepted Answer

A) normal blood pressure 
B) prehypertension 
C) hypotension 
D) stage 1 hypertension 
E) stage 2 hypertension 
A) normal blood pressure 
B) prehypertension 
C) hypotension 
D) stage 1 hypertension 
E) stage 2 hypertension

Question 7

The "lub" sound of the "lub-dup" heart beat is due to what?

Accepted Answer

A) the closing of the AV valves 
B) the closing of the semilunar valves 
C) the right atrium contracting 
D) the left atrium contracting 
E) the relaxation of both atria 
A) the closing of the AV valves 
B) the closing of the semilunar valves 
C) the right atrium contracting 
D) the left atrium contracting 
E) the relaxation of both atria

Question 8

Which of the following could be used to take a pulse?

Accepted Answer

A) radial vein 
B) radial artery 
C) inferior vena cava 
D) superior vena cava 
E) renal capillaries 
A) radial vein 
B) radial artery 
C) inferior vena cava 
D) superior vena cava 
E) renal capillaries

Question 9

The systemic circuit contains more blood at any one time than does the pulmonary circuit.

Accepted Answer

A) True 
 B)False

Question 10

Trace the path of blood flow through the heart and lungs,starting with the superior and inferior vena cava.

Accepted Answer

Blood enters the heart through the super

Question 11

During open heart surgery,the first heart structure that would be cut into is the _____________.

Accepted Answer

A) myocardium 
B) left ventricle 
C) pericardium 
D) right ventricle 
E) left atrium 
A) myocardium 
B) left ventricle 
C) pericardium 
D) right ventricle 
E) left atrium

Question 12

What happens to the excess fluid that leaves the capillaries at the venous end?

Accepted Answer

A) The excess fluid is collected in the lymphatic capillaries. 
B) There is no excess fluid,100% always returns to the capillary beds. 
C) The excess fluid is excreted by the kidneys. 
D) The excess fluid is reabsorbed by the intestines. 
E) The excess fluid will accumulate in the cells causing them to rupturE. 
A) The excess fluid is collected in the lymphatic capillaries. 
B) There is no excess fluid,100% always returns to the capillary beds. 
C) The excess fluid is excreted by the kidneys. 
D) The excess fluid is reabsorbed by the intestines. 
E) The excess fluid will accumulate in the cells causing them to rupturE.

Question 13

The excess fluid from the cardiovascular system that enters the lymphatic system is called _______.

Accepted Answer

A) lymph 
B) plasma 
C) blood 
D) tissue fluid 
E) urine 
A) lymph 
B) plasma 
C) blood 
D) tissue fluid 
E) urine

Question 14

Which part of the body is often diseased in alcoholics due to exposure to alcohol?

Accepted Answer

A) liver 
B) stomach 
C) kidneys 
D) esophagus 
E) large intestine 
A) liver 
B) stomach 
C) kidneys 
D) esophagus 
E) large intestine

Question 15

Which of the following heart tissues is not part of the internal conduction system of the heart?

Accepted Answer

A) atrioventricular bundle 
B) atrioventricular node 
C) Purkinje fibers 
D) sinoatrial node 
E) semilunar valve 
A) atrioventricular bundle 
B) atrioventricular node 
C) Purkinje fibers 
D) sinoatrial node 
E) semilunar valve

Question 16

Blood leaves which chamber of the heart to enter the lungs?

Accepted Answer

A) right atrium 
B) left atrium 
C) right ventricle 
D) left ventricle 
E) aorta 
A) right atrium 
B) left atrium 
C) right ventricle 
D) left ventricle 
E) aorta

Question 17

What is the bursting of a blood vessel called?

Accepted Answer

A) embolus 
B) aneurysm 
C) thrombus 
D) myocardial infarction 
E) stroke 
A) embolus 
B) aneurysm 
C) thrombus 
D) myocardial infarction 
E) stroke

Question 18

What does an ECG record?

Accepted Answer

A) brain activity 
B) blood volume 
C) heart sounds 
D) hormonal changes 
E) electrical changes 
A) brain activity 
B) blood volume 
C) heart sounds 
D) hormonal changes 
E) electrical changes

Question 19

What is the function of valves in the veins?

Accepted Answer

A) increase the rate of blood flow 
B) prevent the backward flow of blood 
C) regulation of blood pressure 
D) oxygenate the blood 
E) remove debris from the blood 
A) increase the rate of blood flow 
B) prevent the backward flow of blood 
C) regulation of blood pressure 
D) oxygenate the blood 
E) remove debris from the blood

Question 20

Generally,there are no symptoms of hypertension.

Accepted Answer

A) True 
 B)False

Exam 5: Cardiovascular System: Heart and Blood Vessels

Choose the most correct statement concerning capillaries.

Elizabeth takes a prescription drug that dilates her arterioles.What does this do to her blood pressure? Why?

The cardiac muscle is supplied with nutrients from the blood within the heart itself.

Which of the following is the largest artery of the systemic circuit?

A blood pressure of 90/40 is considered normal.

Mrs.Hinson was informed that her blood pressure was 150/95.These numbers indicate that she has __________.

The "lub" sound of the "lub-dup" heart beat is due to what?

Which of the following could be used to take a pulse?

The systemic circuit contains more blood at any one time than does the pulmonary circuit.

Trace the path of blood flow through the heart and lungs,starting with the superior and inferior vena cava.

During open heart surgery,the first heart structure that would be cut into is the _____________.

What happens to the excess fluid that leaves the capillaries at the venous end?

The excess fluid from the cardiovascular system that enters the lymphatic system is called _______.

Which part of the body is often diseased in alcoholics due to exposure to alcohol?

Which of the following heart tissues is not part of the internal conduction system of the heart?

Blood leaves which chamber of the heart to enter the lungs?

What is the bursting of a blood vessel called?

What does an ECG record?

What is the function of valves in the veins?

Generally,there are no symptoms of hypertension.

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