Question 1

The major portion of the heart is the myocardium, made up mainly of cardiac muscle.

Accepted Answer

A) True 
 B)False

Question 2

Which structure(s)  would be subject to the lowest blood pressure?

Accepted Answer

A)   vena cava
B)   aorta
C)   atrioventricular valve
D)   pulmonary arteries
E)   semilunar valveF) B) and D)
G) A) and B)

Question 3

Only blood pressure controls movement of fluid through the capillary wall into the tissue. Therefore, people with high blood pressure often have swelling issues.

Accepted Answer

A) True 
 B)False

Question 4

What is the correct sequence in which a drop of blood returning from the body encounters the heart chambers?

Accepted Answer

A)   left atrium → left ventricle → right atrium → right ventricle
B)   left ventricle → left atrium → right ventricle → right atrium
C)   right atrium → left atrium → left ventricle → right ventricle
D)   right atrium → left ventricle → left atrium → right ventricle
E)   right atrium → right ventricle → left atrium → left ventricleF) A) and B)
G) C) and E)

Question 5

Diastole is contraction of the heart and systole is relaxation.

Accepted Answer

A) True 
 B)False

Question 6

What is the correct sequence in which a drop of blood returning from the body encounters the heart valves?

Accepted Answer

A)   right atrioventricular valve → aortic semilunar valve → left atrioventricular valve → pulmonary semilunar valve
B)   right atrioventricular valve → pulmonary semilunar valve → left atrioventricular valve → aortic semilunar valve
C)   left atrioventricular valve → pulmonary semilunar valve → right atrioventricular valve → aortic semilunar valve
D)   pulmonary semilunar valve → left atrioventricular valve → aortic semilunar valve → right atrioventricular valve
E)   left atrioventricular valve → aortic semilunar valve → right atrioventricular valve → pulmonary semilunar valveF) A) and E)
G) A) and D)

Question 7

Aged red blood cells are destroyed in the

Accepted Answer

A)   red bone marrow.
B)   lungs.
C)   lymph nodes.
D)   spleen and liver.
E)   capillaries.F) B) and D)
G) A) and E)

Question 8

Blood traveling from the intestines to the liver travels through the

Accepted Answer

A)   pulmonary vein.
B)   inferior vena cava.
C)   superior vena cava.
D)   coronary vessels.
E)   hepatic portal vein.F) All of the above
G) B) and D)

Question 9

Which specific component in hemoglobin combines with oxygen?

Accepted Answer

A)   heme
B)   globin
C)   iron in the heme
D)   iron in the globin
E)   the polypeptideF) B) and E)
G) C) and E)

Question 10

Neutrophils are agranular leukocytes.

Accepted Answer

A) True 
 B)False

Question 11

Which statement(s)  is/are correct? Check all that apply.

Accepted Answer

A)   Arteries have a thick muscular layer.
B)   Veins can control blood pressure.
C)   Capillaries are the site of oxygen and nutrient exchange.
D)   Veins have valves to assist with one-way blood flow.
E)   Capillaries contain most of the blood volume.F) A) and B)
G) A) and C)

Question 12

The element in your blood necessary for the clotting process is

Accepted Answer

A)   calcium.
B)   phosphorus.
C)   chlorine.
D)   iron.
E)   sodium.F) A) and E)
G) A) and D)

Question 13

The long insoluble threads of a blood clot originate from

Accepted Answer

A)   fibrinogen.
B)   thrombin.
C)   collagen.
D)   prothrombin.
E)   platelets.F) All of the above
G) A) and C)

Question 14

A heart murmur that sounds like "lub-dup-shush" would indicate which of the following?

Accepted Answer

A)   atrioventricular valve is not closing properly
B)   semilunar valve is not closing properly
C)   high blood pressure in the atria
D)   ventricles are not contracting properly
E)   low blood pressure in the ventriclesF) A) and B)
G) All of the above

Question 15

Which blood vessels will have walls only one cell thick?

Accepted Answer

A)   capillaries
B)   venules
C)   veins
D)   arterioles
E)   arteriesF) A) and B)
G) D) and E)

Question 16

Before major surgery, a patient is often asked if they have been taking large amounts of aspirin, and if so, they may have to postpone surgery and go without aspirin for some days. What is the reason for this?

Accepted Answer

A)   Aspirin interferes with the action of prothrombin activator.
B)   Aspirin causes the blood to be thinner or less viscous.
C)   Aspirin decreases red blood cell production.
D)   Aspirin reduces the stickiness of platelets and reduces the ability to clot.
E)   Aspirin eliminates pain and some pain is necessary for healing.F) C) and D)
G) None of the above

Question 17

Why is it advantageous to have blood move slowly in the capillaries?

Accepted Answer

A)   It will not cause damage to the valves.
B)   It maintains the high pressure in the capillaries.
C)   It provides time for substances to be exchanged between blood and tissue fluids.
D)   It creates a greater osmotic pressure for cells.
E)   It is the major way to control blood pressure.F) D) and E)
G) A) and C)

Question 18

Which of the following is true about capillaries?

Accepted Answer

A)   Capillaries are extremely narrow.
B)   Capillaries join arteries to arterioles.
C)   Capillaries walls have three layers.
D)   Capillaries are present in only a limited number of internal organs.
E)   Capillaries work individually to carry out their function.F) C) and E)
G) C) and D)

Question 19

Platelets

Accepted Answer

A)   phagocytize bacteria.
B)   are responsible for blood type.
C)   initiate clotting.
D)   transport oxygen in the blood.
E)   are responsible for the buildup of plaques on artery walls.F) All of the above
G) A) and B)

Question 20

The "lub" heart sound is due to the

Accepted Answer

A)   onward rush of blood to the heart.
B)   contraction of aortic muscle tissue.
C)   closing of the semilunar valves.
D)   closing of the atrioventricular valves.
E)   the recoil of the aorta following the ventricle contraction.F) C) and D)
G) A) and D)

Exam 12: Cardiovascular System

What is the correct sequence in which a drop of blood returning from the body encounters the heart chambers?

Correct AnswerverifiedShow Answer

A heart murmur that sounds like "lub-dup-shush" would indicate which of the following?

Correct AnswerverifiedShow Answer

The "lub" heart sound is due to the

Correct AnswerverifiedShow Answer

Platelets

Correct AnswerverifiedShow Answer

What is the correct sequence in which a drop of blood returning from the body encounters the heart valves?

Correct AnswerverifiedShow Answer

Which structure(s) would be subject to the lowest blood pressure?

Correct AnswerverifiedShow Answer

Blood traveling from the intestines to the liver travels through the

Correct AnswerverifiedShow Answer

The long insoluble threads of a blood clot originate from

Correct AnswerverifiedShow Answer

Neutrophils are agranular leukocytes.

Correct AnswerverifiedShow Answer

Only blood pressure controls movement of fluid through the capillary wall into the tissue. Therefore, people with high blood pressure often have swelling issues.

Correct AnswerverifiedShow Answer

Which of the following is true about capillaries?

Correct AnswerverifiedShow Answer

Why is it advantageous to have blood move slowly in the capillaries?

Correct AnswerverifiedShow Answer

Which blood vessels will have walls only one cell thick?

Correct AnswerverifiedShow Answer

Diastole is contraction of the heart and systole is relaxation.

Correct AnswerverifiedShow Answer

The major portion of the heart is the myocardium, made up mainly of cardiac muscle.

Correct AnswerverifiedShow Answer

The element in your blood necessary for the clotting process is

Correct AnswerverifiedShow Answer

Before major surgery, a patient is often asked if they have been taking large amounts of aspirin, and if so, they may have to postpone surgery and go without aspirin for some days. What is the reason for this?

Correct AnswerverifiedShow Answer

Aged red blood cells are destroyed in the

Correct AnswerverifiedShow Answer

Which statement(s) is/are correct? Check all that apply.

Correct AnswerverifiedShow Answer

Which specific component in hemoglobin combines with oxygen?

Correct AnswerverifiedShow Answer

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