Question 1

Metarterioles connect arterioles and venules,and allow blood to bypass the capillaries.

Accepted Answer

A) True 
 B)False

Question 2

The pain of angina pectoris comes from a blockage in an artery that supplies the

Accepted Answer

A)  left arm and shoulder.
B)  neck and jaw.
C)  heart.
D)  sternum.E) A) and B)
F) None of the above

Question 3

Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.

Accepted Answer

A) True 
 B)False

Question 4

The systemic circuit

Accepted Answer

A)  sends oxygen-poor blood to the heart.
B)  brings oxygen-rich blood from the tissues.
C)  brings oxygen-poor blood from the lungs.
D)  sends oxygen-rich blood to the tissues.E) B) and D)
F) B) and C)

Question 5

Kidney disease can cause hypertension by

Accepted Answer

A)  activating the renin-angiotensin mechanism.
B)  stimulating the secretion of aldosterone.
C)  increasing retention of sodium and water.
D)  all of the above.E) A) and B)
F) B) and C)

Question 6

Blood flow through a capillary is controlled by a precapillary sphincter,which opens or closes due to the requirements of the cells the capillary supplies.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is due to an aging cardiovascular system?

Accepted Answer

A)  The tunica interna thickens.
B)  The direction of blood flow in some capillaries reverses.
C)  Arteries become less rigid.
D)  Veins lose collagen.E) All of the above
F) A) and D)

Question 8

Histamine increases capillary membrane permeability,which can result in an edematous and painful condition.

Accepted Answer

A) True 
 B)False

Question 9

Which artery is incorrectly matched to its location?

Accepted Answer

A)  Inferior mesenteric artery;colon and rectum
B)  Thyrocervical arteries;thymus.
C)  Celiac arteries;liver,spleen,and upper gastrointestinal tract
D)  Popliteal;behind the kneeE) B) and C)
F) C) and D)

Question 10

Plasma proteins in capillaries help to

Accepted Answer

A)  maintain the osmotic pressure of the blood.
B)  decrease the osmotic pressure of the blood.
C)  maintain the hydrostatic pressure of the blood.
D)  decrease the hydrostatic pressure of the blooD.E) None of the above
F) A) and D)

Question 11

The apical heartbeat is heard by listening between the fifth and sixth ribs about 7.5 cm left of the midline.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not a normal response to physical exercise?

Accepted Answer

A)  Increased heart rate
B)  Increased ventricular contraction
C)  Increased blood flow to the skeletal muscles
D)  Increased blood flow to the abdominal visceraE) A) and B)
F) A) and C)

Question 13

A left ventricular assist device

Accepted Answer

A)  is routinely used in people who have had heart attacks.
B)  can substitute for the atria.
C)  can maintain cardiac function until a donor heart becomes available.
D)  is an implantable replacement heart.E) B) and C)
F) None of the above

Question 14

Which type of blood vessel holds the greatest volume of blood?

Accepted Answer

A)  Artery
B)  Arteriole
C)  Capillary
D)  VeinE) A) and B)
F) A) and D)

Question 15

In an ECG pattern,the P wave is caused by

Accepted Answer

A)  repolarization of atrial muscle fibers.
B)  repolarization of ventricular muscle fibers.
C)  depolarization of atrial muscle fibers.
D)  depolarization of ventricular muscle fibers.E) A) and B)
F) B) and C)

Question 16

When smooth muscles in the walls of the arteries are stimulated to contract

Accepted Answer

A)  peripheral resistance decreases.
B)  viscosity increases.
C)  blood pressure decreases.
D)  blood pressure increases.E) A) and B)
F) A) and C)

Question 17

The aorta is the largest artery in the pulmonary circuit.

Accepted Answer

A) True 
 B)False

Question 18

Impulses that the vagus nerve carries to the heart

Accepted Answer

A)  are parasympathetic and increase heart rate.
B)  are parasympathetic and decrease heart rate.
C)  are sympathetic and increase heart rate.
D)  are sympathetic and decrease heart rate.E) B) and C)
F) A) and D)

Question 19

Circulation is vital because it

Accepted Answer

A)  supplies oxygen and nutrients to and removes wastes from tissues.
B)  inflates the lungs.
C)  delivers carbon dioxide to tissues and removes excess oxygen.
D)  delivers wastes to tissues.E) A) and B)
F) A) and C)

Question 20

Bruce has colorectal cancer that has spread to his lymphatic system.He is given a drug that is an angiogenesis inhibitor.The drug works by

Accepted Answer

A)  stimulating new blood vessels to serve tissue damaged by the cancer.
B)  starving tumors by cutting off their blood supplies.
C)  halting cell division only in tumor cells.
D)  cutting off the supply of ATP to cancer cells.E) B) and D)
F) A) and B)

Exam 15: Cardiovascular System

Which of the following is due to an aging cardiovascular system?

Correct AnswerverifiedShow Answer

Kidney disease can cause hypertension by

Correct AnswerverifiedShow Answer

Which of the following is not a normal response to physical exercise?

Correct AnswerverifiedShow Answer

Metarterioles connect arterioles and venules,and allow blood to bypass the capillaries.

Correct AnswerverifiedShow Answer

Blood flow through a capillary is controlled by a precapillary sphincter,which opens or closes due to the requirements of the cells the capillary supplies.

Correct AnswerverifiedShow Answer

Impulses that the vagus nerve carries to the heart

Correct AnswerverifiedShow Answer

Circulation is vital because it

Correct AnswerverifiedShow Answer

Which artery is incorrectly matched to its location?

Correct AnswerverifiedShow Answer

The apical heartbeat is heard by listening between the fifth and sixth ribs about 7.5 cm left of the midline.

Correct AnswerverifiedShow Answer

The systemic circuit

Correct AnswerverifiedShow Answer

In an ECG pattern,the P wave is caused by

Correct AnswerverifiedShow Answer

Plasma proteins in capillaries help to

Correct AnswerverifiedShow Answer

Bruce has colorectal cancer that has spread to his lymphatic system.He is given a drug that is an angiogenesis inhibitor.The drug works by

Correct AnswerverifiedShow Answer

A left ventricular assist device

Correct AnswerverifiedShow Answer

The pain of angina pectoris comes from a blockage in an artery that supplies the

Correct AnswerverifiedShow Answer

Histamine increases capillary membrane permeability,which can result in an edematous and painful condition.

Correct AnswerverifiedShow Answer

When smooth muscles in the walls of the arteries are stimulated to contract

Correct AnswerverifiedShow Answer

Which type of blood vessel holds the greatest volume of blood?

Correct AnswerverifiedShow Answer

The aorta is the largest artery in the pulmonary circuit.

Correct AnswerverifiedShow Answer

Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.

Correct AnswerverifiedShow Answer

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