Question 1

The radial and ulnar veins merge to form the _______ vein.

Accepted Answer

A)   jugular
B)   axillary
C)   brachial
D)   cephalicE) A) and B)
F) B) and D)

Question 2

The longest vein in the body is the

Accepted Answer

A)   superior vena cava.
B)   great saphenous vein.
C)   internal iliac vein.
D)   hepatic portal vein.E) None of the above
F) A) and C)

Question 3

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 C)
F) None of the above

Question 4

The correct sequence of parts that carry cardiac impulses is

Accepted Answer

A)   AV node, SA node, Purkinje fibers, AV bundle
B)   AV node, AV bundle, Purkinje fibers, SA node
C)   SA node, Purkinje fibers, AV node, AV bundle
D)   SA node, AV node, AV bundle, Purkinje fibersE) A) and D)
F) C) and D)

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

When a person's pulse is taken by palpation near the thumb on the wrist, which artery is felt?

Accepted Answer

A)   Brachial artery
B)   Ulnar artery
C)   Radial artery
D)   Palmar arch arteriesE) A) and C)
F) All of the above

Question 7

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) A) and B)
F) B) and C)

Question 8

Small areas of the myocardium contracting chaotically is called

Accepted Answer

A)   flutter.
B)   fibrillation.
C)   bradycardia.
D)   tachycardia.E) None of the above
F) A) and D)

Question 9

Which of the following is not a branch of the aorta?

Accepted Answer

A)   Right coronary artery
B)   Pulmonary artery
C)   Brachiocephalic artery
D)   Left subclavian arteryE) A) and B)
F) All of the above

Question 10

The mechanism ensures that the volume of blood discharged from the heart is equal to the volume entering its chambers is described by ______ law of the heart.

Accepted Answer

A)   Boyle's
B)   Frank-Starling's
C)   Dalton's
D)   Newton'sE) C) and D)
F) A) and B)

Question 11

In an ECG pattern, the T 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) All of the above
F) A) and B)

Question 12

Which of the following supplies blood to parts of the intestinal tract?

Accepted Answer

A)   Phrenic arteries
B)   Superior mesenteric artery
C)   Lumbar artery
D)   Middle sacral arteryE) A) and B)
F) B) and C)

Question 13

Listening with a stethoscope just to the right near the tip of the sternum, sounds come most distinctly from the

Accepted Answer

A)   aortic valve.
B)   tricuspid valve.
C)   pulmonary valve.
D)   mitral valve.E) B) and D)
F) None of the above

Question 14

Which of the following correctly matches the valve to its function?

Accepted Answer

A)   Tricuspid valve-permits one-way blood flow from the right to the left atrium
B)   Pulmonary valve-permits one-way blood flow from the left ventricle to the aorta
C)   Mitral valve-permits one-way blood flow from the left atrium to the left ventricle
D)   Aortic valve-permits one-way blood flow from the right ventricle to the pulmonary trunkE) B) and C)
F) A) and B)

Question 15

The pulmonary circuit

Accepted Answer

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

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is the correct sequence of parts through which blood moves from the vena cava to the lungs?

Accepted Answer

A)   Right atrium, pulmonary valve, right ventricle, tricuspid valve
B)   Right atrium, tricuspid valve, right ventricle, pulmonary valve
C)   Right ventricle, tricuspid valve, right atrium, pulmonary valve
D)   Right ventricle, pulmonary valve, right atrium, tricuspid valve, right ventricleE) None of the above
F) A) and B)

Question 18

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 19

Arterial systolic pressure is most closely associated with

Accepted Answer

A)   atrial contraction.
B)   ventricular contraction.
C)   atrial relaxation.
D)   ventricular relaxation.E) All of the above
F) A) and B)

Question 20

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) B) and C)
F) All of the above

Exam 15: Cardiovascular System

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

Correct AnswerverifiedShow Answer

In an ECG pattern, the P wave is caused by

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 supplied by the capillary.

Correct AnswerverifiedShow Answer

Listening with a stethoscope just to the right near the tip of the sternum, sounds come most distinctly from the

Correct AnswerverifiedShow Answer

The pulmonary circuit

Correct AnswerverifiedShow Answer

The mechanism ensures that the volume of blood discharged from the heart is equal to the volume entering its chambers is described by ______ law of the heart.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Small areas of the myocardium contracting chaotically is called

Correct AnswerverifiedShow Answer

In an ECG pattern, the T wave is caused by

Correct AnswerverifiedShow Answer

The correct sequence of parts that carry cardiac impulses is

Correct AnswerverifiedShow Answer

The systemic circuit

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence of parts through which blood moves from the vena cava to the lungs?

Correct AnswerverifiedShow Answer

The longest vein in the body is the

Correct AnswerverifiedShow Answer

Which of the following is not a branch of the aorta?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When a person's pulse is taken by palpation near the thumb on the wrist, which artery is felt?

Correct AnswerverifiedShow Answer

Which of the following supplies blood to parts of the intestinal tract?

Correct AnswerverifiedShow Answer

Which of the following correctly matches the valve to its function?

Correct AnswerverifiedShow Answer

Arterial systolic pressure is most closely associated with

Correct AnswerverifiedShow Answer

The radial and ulnar veins merge to form the _______ vein.

Correct AnswerverifiedShow Answer

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