Question 1

Which of the following effectors would NOT be activated as described below in response to hypovolemic shock?

Accepted Answer

A)  Adrenal cortex releases aldosterone.
B)  Kidneys conserve salt and water.
C)  Heart rate increases.
D)  Systemic arterioles vasodilate.
E)  Heart contractility increases.

Question 2

Which of the following categories of hypertension drugs lower blood pressure by blocking formation of angiotensin II,which results in vasodilation and decreased aldosterone secretion?

Accepted Answer

A)  Diuretics
B)  ACE inhibitors
C)  Beta blockers
D)  Calcium channel blockers
E)  Anabolic steroids

Question 3

All of the following changes are commonly observed in the cardiovascular system in response to aging EXCEPT

Accepted Answer

A)  decreased cardiac output.
B)  increased compliance of the aorta.
C)  loss of cardiac muscle strength.
D)  decline in maximum heart rate.
E)  increased systolic blood pressure.

Question 4

When chemoreceptors in blood vessels detect high levels of carbon dioxide in the blood,they stimulate all of the following changes EXCEPT

Accepted Answer

A)  increased vasoconstriction of arterioles.
B)  increased blood pressure.
C)  decreased respiratory rate.
D)  increased sympathetic stimulation of arterioles and veins.
E)  increased vasoconstriction of veins.

Question 5

Cardiac output is dependent on both

Accepted Answer

A)  heart rate and stroke volume.
B)  stroke volume and systemic vascular resistance.
C)  heart rate and systemic vascular resistance.
D)  blood type and stroke volume.
E)  blood pressure and heart rate

Question 6

Which vessel in the figure is labeled "B"?

Accepted Answer

A)  accessory hemiazygos vein
B)  hemiazygos vein
C)  right suprarenal vein
D)  pericardial vein
E)  azygos vein

Question 7

What do the following chemicals have in common: potassium,hydrogen ions,lactic acid,nitric oxide,and adenosine?

Accepted Answer

A)  All potent vasoconstrictors.
B)  All potent vasodilators.
C)  Used to stimulate smooth muscle contractions.
D)  Directly regulate the cardiac center of the hypothalamus.
E)  Decrease systolic blood pressure.

Question 8

Which of the following vessels drains blood from the lower leg?

Accepted Answer

A)  Jugular vein
B)  Superior vena cava
C)  Tibial vein
D)  Coronary vein
E)  Inferior mesenteric vein

Question 9

Which vessel in the figure is labeled "D"?

Accepted Answer

A)  accessory hemiazygos vein
B)  hemiazygos vein
C)  right renal vein
D)  right suprarenal vein
E)  pericardial vein

Question 10

The pulmonary circulatory route carries blood from the

Accepted Answer

A)  right atrium to the right ventricle .
B)  right ventricle to the left atrium.
C)  left atrium to the left ventricle.
D)  left ventricle to the right atrium.
E)  left ventricle to the coronary sinus.

Question 11

The pressure-driven movement of fluids and solutes from blood into interstitial fluid is called

Accepted Answer

A)  reabsorption.
B)  filtration.
C)  bulk flow.
D)  osmosis.
E)  transcytosis.

Question 12

Which vessel in the figure is labeled "G"?

Accepted Answer

A)  accessory hemiazygos vein
B)  hemiazygos vein
C)  right suprarenal vein
D)  pericardial vein
E)  azygos vein

Question 13

Deoxygenated blood draining from the vessel labeled "E" in the figure,immediately travels into the

Accepted Answer

A)  left small saphenous vein.
B)  left femoral vein.
C)  left anterior tibial vein.
D)  left posterior tibial vein.
E)  left popliteal vein.

Question 14

Which of the following structures is used to control the flow of blood through a capillary bed?

Accepted Answer

A)  thoroughfare channels
B)  precapillary sphincters
C)  postcapillary sphincters
D)  venules
E)  valves in veins

Question 15

Which of the following types of tissues contains continuous capillaries?

Accepted Answer

A)  skeletal muscle
B)  smooth muscle
C)  connective tissue
D)  lungs
E)  all of these choices

Question 16

Identify and discuss the factors that contribute to systemic vascular resistance.

Accepted Answer

The answer of Identify and discuss the factors that contribute...

Question 17

Which of the types of capillaries shown in the figure is commonly found in the kidneys,villi of the small intestine,choroid plexuses,and some endocrine glands?

Accepted Answer

A)  A
B)  B
C)  C
D)  A and B
E)  B and C

Question 18

Which labeled structure in the figure is a metarteriole?

Accepted Answer

A)  A
B)  B
C)  D
D)  F
E)  E

Question 19

The pulmonary trunk divides into

Accepted Answer

A)  brachiocephalic trunk and left subclavian artery
B)  right and left subclavain arteries.
C)  right and left pulmonary veins.
D)  right and left pulmonary arteries.
E)  right and left common carotid arteries.

Question 20

All the veins of the systemic circulation eventually drain into the

Accepted Answer

A)  superior vena cava.
B)  inferior vena cava.
C)  coronary sinus.
D)  superior and inferior vena cava.
E)  superior and inferior vena cava and coronary sinus.

Exam 21: The Cardiovascular System: Blood Vessels and Hemodynamics

Which of the following effectors would NOT be activated as described below in response to hypovolemic shock?

Correct AnswerverifiedShow Answer

Deoxygenated blood draining from the vessel labeled "E" in the figure,immediately travels into the

Correct AnswerverifiedShow Answer

Which vessel in the figure is labeled "D"?

Correct AnswerverifiedShow Answer

Which labeled structure in the figure is a metarteriole?

Correct AnswerverifiedShow Answer

Which of the following categories of hypertension drugs lower blood pressure by blocking formation of angiotensin II,which results in vasodilation and decreased aldosterone secretion?

Correct AnswerverifiedShow Answer

Which vessel in the figure is labeled "B"?

Correct AnswerverifiedShow Answer

Identify and discuss the factors that contribute to systemic vascular resistance.

Correct AnswerverifiedShow Answer

All of the following changes are commonly observed in the cardiovascular system in response to aging EXCEPT

Correct AnswerverifiedShow Answer

Which of the following structures is used to control the flow of blood through a capillary bed?

Correct AnswerverifiedShow Answer

All the veins of the systemic circulation eventually drain into the

Correct AnswerverifiedShow Answer

When chemoreceptors in blood vessels detect high levels of carbon dioxide in the blood,they stimulate all of the following changes EXCEPT

Correct AnswerverifiedShow Answer

What do the following chemicals have in common: potassium,hydrogen ions,lactic acid,nitric oxide,and adenosine?

Correct AnswerverifiedShow Answer

The pressure-driven movement of fluids and solutes from blood into interstitial fluid is called

Correct AnswerverifiedShow Answer

Cardiac output is dependent on both

Correct AnswerverifiedShow Answer

Which of the types of capillaries shown in the figure is commonly found in the kidneys,villi of the small intestine,choroid plexuses,and some endocrine glands?

Correct AnswerverifiedShow Answer

Which of the following vessels drains blood from the lower leg?

Correct AnswerverifiedShow Answer

Which vessel in the figure is labeled "G"?

Correct AnswerverifiedShow Answer

The pulmonary circulatory route carries blood from the

Correct AnswerverifiedShow Answer

Which of the following types of tissues contains continuous capillaries?

Correct AnswerverifiedShow Answer

The pulmonary trunk divides into

Correct AnswerverifiedShow Answer

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