Question 1

The right atrium

Accepted Answer

A)  receives oxygen rich blood from lungs.
B)  pumps oxygen rich blood toward the body tissues.
C)  receives oxygen poor blood from the body tissues.
D)  pumps oxygen poor blood to the lungs.E) All of the above
F) B) and C)

Question 2

As cardiac output increases,the blood pressure will

Accepted Answer

A)  increase.
B)  decrease.
C)  have no change.D) B) and C)
E) A) and C)

Question 3

Which of the following is NOT a function of blood vessels?

Accepted Answer

A)  transport blood and its components
B)  create blood pressure
C)  carry out gas and nutrient exchanges
D)  regulate blood pressureE) A) and B)
F) C) and D)

Question 4

______ have valves to prevent backflow.

Accepted Answer

A)  Veins
B)  Arteries
C)  CapillariesD) None of the above
E) A) and B)

Question 5

What vein returns blood from the lower part of the body to the heart?

Accepted Answer

A)  inferior mesenteric vein
B)  hepatic portal vein
C)  brachiocephalic vein
D)  inferior vena cavaE) B) and D)
F) None of the above

Question 6

What accounts for blood flow in the arteries?

Accepted Answer

A)  blood pressure
B)  skeletal muscle contraction
C)  blood pressure and skeletal muscle contractionD) A) and B)
E) B) and C)

Question 7

Blood return to the heart through the veins is aided by

Accepted Answer

A)  a blood pressure difference from venules to the right atrium.
B)  skeletal muscle and respiratory pumps.
C)  total blood volume in circulation.
D)  All apply.E) All of the above
F) C) and D)

Question 8

The heart must have a nervous system stimulus to contract.

Accepted Answer

A) True 
 B)False

Question 9

In which type of vessel is blood velocity the greatest?

Accepted Answer

A)  capillaries
B)  arterioles
C)  veins
D)  arteriesE) A) and B)
F) A) and D)

Question 10

Hypertension will cause ventricular contractions to become stronger to overcome the higher blood pressure.

Accepted Answer

A) True 
 B)False

Question 11

The visceral pericardium also forms the ________ of the heart wall.

Accepted Answer

A)  epicardium
B)  myocardium
C)  endocardiumD) None of the above
E) All of the above

Question 12

The pathway from the superior and inferior vena cavas,through the right side of the heart to the lungs is called the

Accepted Answer

A)  pulmonary circuit.
B)  coronary circulation.
C)  systemic circuit.
D)  hepatic-portal system.E) A) and D)
F) B) and C)

Question 13

An area other than the SA node can become the pacemaker.This area is called a(an)

Accepted Answer

A)  heart block.
B)  intrinsic conduction system.
C)  ectopic pacemaker.
D)  interventricular septum.E) All of the above
F) C) and D)

Question 14

During the ventricular systole,the AV valves _______ and the semilunar valves _____.

Accepted Answer

A)  close;open
B)  close;close
C)  open;close
D)  open;openE) A) and D)
F) C) and D)

Question 15

What vessels carry oxygen poor blood from the right ventricle to the lungs for gas exchange?

Accepted Answer

A)  pulmonary arteries
B)  pulmonary veins
C)  aorta and coronary arteries
D)  superior and inferior vena cavasE) None of the above
F) All of the above

Question 16

Which of the following is NOT an effect of aging with the blood vessels?

Accepted Answer

A)  increased blood pressure
B)  increased atherosclerosis
C)  increased varicose veins
D)  increased incidence of coronary artery diseaseE) A) and D)
F) C) and D)

Question 17

Which of the following is NOT a function of the heart?

Accepted Answer

A)  serves as an endocrine gland
B)  creates blood pressure
C)  keeps O2- poor blood separated from O2- rich blood
D)  maintains the acidity level of the bloodE) B) and D)
F) A) and D)

Question 18

A systolic pressure consistently above 140 or a diastolic pressure above 90 is called

Accepted Answer

A)  hypertension.
B)  fibrillation.
C)  hypotension.
D)  tachycardia.E) All of the above
F) A) and B)

Question 19

The umbilical arteries carry oxygen poor blood to the placenta.

Accepted Answer

A) True 
 B)False

Question 20

What type of cell connections is found between endothelial cells of capillaries?

Accepted Answer

A)  tight junctions
B)  gap junctions
C)  adhesion junction
D)  intercalated disksE) None of the above
F) A) and C)

Exam 12: The Cardiovascular System

The heart must have a nervous system stimulus to contract.

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As cardiac output increases,the blood pressure will

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In which type of vessel is blood velocity the greatest?

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What accounts for blood flow in the arteries?

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What vessels carry oxygen poor blood from the right ventricle to the lungs for gas exchange?

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______ have valves to prevent backflow.

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Which of the following is NOT an effect of aging with the blood vessels?

Correct AnswerverifiedShow Answer

The pathway from the superior and inferior vena cavas,through the right side of the heart to the lungs is called the

Correct AnswerverifiedShow Answer

Blood return to the heart through the veins is aided by

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The right atrium

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The umbilical arteries carry oxygen poor blood to the placenta.

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What type of cell connections is found between endothelial cells of capillaries?

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What vein returns blood from the lower part of the body to the heart?

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The visceral pericardium also forms the ________ of the heart wall.

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Hypertension will cause ventricular contractions to become stronger to overcome the higher blood pressure.

Correct AnswerverifiedShow Answer

An area other than the SA node can become the pacemaker.This area is called a(an)

Correct AnswerverifiedShow Answer

During the ventricular systole,the AV valves _______ and the semilunar valves _____.

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Which of the following is NOT a function of the heart?

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Which of the following is NOT a function of blood vessels?

Correct AnswerverifiedShow Answer

A systolic pressure consistently above 140 or a diastolic pressure above 90 is called

Correct AnswerverifiedShow Answer

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During the ventricular systole,the AV valves ___ and the semilunar valves _.

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