Question 1

The MABP (mean arterial blood pressure) is equal to

Accepted Answer

A)  cardiac output -- peripheral resistance
B)  cardiac output x peripheral resistance
C)  cardiac output / peripheral resistance
D)  cardiac output + peripheral resistanceE) A) and D)
F) C) and D)

Question 2

Capillary structure is uniquely adapted for exchange processes because

Accepted Answer

A)  there are many of them.
B)  they have valves to control flow.
C)  they have only one layer of simple squamous epithelium (endothelium) .
D)  they allow two-way flowE) B) and C)
F) A) and D)

Question 3

From which section of a capillary does water and small dissolved molecules move into the capillary?

Accepted Answer

A)  arterial end
B)  midsection
C)  venous endD) All of the above
E) A) and B)

Question 4

What is the function of the heart valves?

Accepted Answer

A)  to push blood
B)  to prevent the backflow of blood
C)  to stimulate the heart
D)  to give support to the heartE) A) and B)
F) B) and C)

Question 5

Which of the following is NOT true about the heart?

Accepted Answer

A)  It is located in the mediastinum.
B)  The base rests on the diaphragm.
C)  It connects the systemic and pulmonary circuits.
D)  It slants more to the left.E) B) and C)
F) All of the above

Question 6

Vasoconstriction in blood vessels is controlled by the vasomotor center in the

Accepted Answer

A)  pons.
B)  cerebellum.
C)  hypothalamus.
D)  medulla oblongata.E) B) and C)
F) A) and C)

Question 7

The systemic circuit involves the

Accepted Answer

A)  body.
B)  lungs.
C)  body and lungs.D) A) and B)
E) A) and C)

Question 8

The longer a blood vessel,the peripheral resistance will

Accepted Answer

A)  increase.
B)  decrease.
C)  have no change.D) None of the above
E) All of the above

Question 9

The body's response to sudden hypotension may include

Accepted Answer

A)  dilation of arterioles.
B)  constriction of veins and arterioles.
C)  decreased heart rate.
D)  renal excretion of water.E) A) and B)
F) B) and C)

Question 10

The pulse is created by the alternating expansion and recoil of an arterial wall as the ventricles contract.

Accepted Answer

A) True 
 B)False

Question 11

An increase in venous return will ______ stroke volume and ___________ the strength of contraction.

Accepted Answer

A)  increase,increase
B)  increase,decrease
C)  decrease,decrease
D)  decrease,increaseE) A) and C)
F) A) and D)

Question 12

Which are the strongest pumping chambers?

Accepted Answer

A)  atria
B)  ventriclesC) A) and B)
D) undefined

Question 13

Cardiac output is equal to

Accepted Answer

A)  heart rate  ×	imes×  stroke volume.
B)  heart rate / stroke volume.
C)  stroke volume + heart rate.
D)  stroke volume - heart rate E) B) and C)
F) A) and D)

Question 14

The cardiac output is dependent on

Accepted Answer

A)  heart rate.
B)  respiration rate.
C)  stroke volume
D)  Both heart rate and stroke volume are correct.E) All of the above
F) A) and B)

Question 15

________ are thin-walled and have large lumens.

Accepted Answer

A)  Veins
B)  Arteries
C)  CapillariesD) All of the above
E) A) and B)

Question 16

Which of the following hormone and cardiovascular effect is NOT correctly matched?

Accepted Answer

A)  atrial natriuretic homone -- lowers blood pressure
B)  antidiuretic hormone -- raises blood pressure
C)  aldosterone -- lowers blood pressure
D)  epinephrine -- raises blood pressureE) B) and D)
F) C) and D)

Question 17

The celiac artery goes to the

Accepted Answer

A)  head.
B)  stomach.
C)  leg.
D)  arm.E) None of the above
F) A) and B)

Question 18

What initiates the heartbeat and is called the pacemaker?

Accepted Answer

A)  nerves
B)  AV node
C)  SA node
D)  brainE) B) and C)
F) All of the above

Question 19

The external iliac vein drains blood from the

Accepted Answer

A)  head and neck.
B)  arms.
C)  abdominal organs.
D)  legs.E) All of the above
F) A) and D)

Question 20

Which of the following is NOT a treatment for congestive heart failure?

Accepted Answer

A)  diuretics - to increase urine output
B)  disaccharides - to increase energy
C)  digoxin - to increase heart contraction strength
D)  dilators - to relax blood vesselsE) C) and D)
F) B) and C)

Exam 12: The Cardiovascular System

The external iliac vein drains blood from the

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Which of the following is NOT a treatment for congestive heart failure?

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The longer a blood vessel,the peripheral resistance will

Correct AnswerverifiedShow Answer

An increase in venous return will ______ stroke volume and ___________ the strength of contraction.

Correct AnswerverifiedShow Answer

The body's response to sudden hypotension may include

Correct AnswerverifiedShow Answer

The MABP (mean arterial blood pressure) is equal to

Correct AnswerverifiedShow Answer

The pulse is created by the alternating expansion and recoil of an arterial wall as the ventricles contract.

Correct AnswerverifiedShow Answer

Capillary structure is uniquely adapted for exchange processes because

Correct AnswerverifiedShow Answer

The systemic circuit involves the

Correct AnswerverifiedShow Answer

Which of the following is NOT true about the heart?

Correct AnswerverifiedShow Answer

________ are thin-walled and have large lumens.

Correct AnswerverifiedShow Answer

Which of the following hormone and cardiovascular effect is NOT correctly matched?

Correct AnswerverifiedShow Answer

The celiac artery goes to the

Correct AnswerverifiedShow Answer

From which section of a capillary does water and small dissolved molecules move into the capillary?

Correct AnswerverifiedShow Answer

What is the function of the heart valves?

Correct AnswerverifiedShow Answer

The cardiac output is dependent on

Correct AnswerverifiedShow Answer

What initiates the heartbeat and is called the pacemaker?

Correct AnswerverifiedShow Answer

Cardiac output is equal to

Correct AnswerverifiedShow Answer

Which are the strongest pumping chambers?

Correct AnswerverifiedShow Answer

Vasoconstriction in blood vessels is controlled by the vasomotor center in the

Correct AnswerverifiedShow Answer

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An increase in venous return will stroke volume and _____ the strength of contraction.

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