Question 1

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

Accepted Answer

A)  left atrium  →\rightarrow→  left ventricle  →\rightarrow→  right atrium  →\rightarrow→ right ventricle
B)  left ventricle  →\rightarrow→  left atrium  →\rightarrow→ right ventricle  →\rightarrow→  right atrium
C)  right atrium →\rightarrow→  left atrium  →\rightarrow→ left ventricle  →\rightarrow→  right ventricle
D)  right atrium  →\rightarrow→  left ventricle →\rightarrow→ left atrium  →\rightarrow→  right ventricle
E)  right atrium  →\rightarrow→  right ventricle  →\rightarrow→ left atrium  →\rightarrow→  left ventricle F) A) and D)
G) A) and C)

Question 2

The blood that enters the coronary artery comes from the

Accepted Answer

A)  pulmonary artery.
B)  pulmonary vein.
C)  aorta.
D)  superior vena cava.
E)  inferior vena cava.F) A) and B)
G) A) and C)

Question 3

Which statement is NOT true about neutrophils?

Accepted Answer

A)  They are phagocytic.
B)  They have a multilobed nucleus.
C)  They are agranular leukocytes.
D)  They do not produce antibodies.
E)  They are the most abundant white blood cell.F) All of the above
G) A) and B)

Question 4

A waitress that stands for hours and has a habit of crossing her legs when she sits will increase the chances of having blood accumulate in her

Accepted Answer

A)  arteries.
B)  veins.
C)  capillaries.
D)  left ventricle.
E)  right ventricle.F) A) and D)
G) B) and C)

Question 5

The systemic circuit circulates blood from the

Accepted Answer

A)  right ventricle to left atrium.
B)  left ventricle to left atrium.
C)  right ventricle to right atrium.
D)  left ventricle to right atrium.
E)  pulmonary artery to the lungs.F) A) and E)
G) D) and E)

Question 6

Systole occurs when

Accepted Answer

A)  the heart tissue is contracting.
B)  the heart tissue is relaxing.
C)  the semilunar valves open and close.
D)  the aortic valves open and close.
E)  there is no heartbeat.F) C) and E)
G) A) and E)

Question 7

Intrinsic control of heartbeat rate involves what mechanism(s) ?

Accepted Answer

A)  The AV node initiates heartbeat,although the SA node can generate a slower beat rate.
B)  The atrioventricular bundle initiates signals that travel to the Purkinje fibers.
C)  The Purkinje fibers initiate signals that travel to the atrioventricular bundle.
D)  The SA node initiates heartbeat and the AV node inhibits the heartbeat.
E)  The SA node initiates heartbeat,although the AV node can generate a slower beat rate.F) A) and E)
G) B) and C)

Exam 12: Cardiovascular System

The systemic circuit circulates blood from the

Correct Answer
verified

Intrinsic control of heartbeat rate involves what mechanism(s) ?

Correct Answer
verified

A waitress that stands for hours and has a habit of crossing her legs when she sits will increase the chances of having blood accumulate in her

Correct Answer
verified

Systole occurs when

Correct Answer
verified

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

Correct Answer
verified

Which statement is NOT true about neutrophils?

Correct Answer
verified

The blood that enters the coronary artery comes from the

Correct Answer
verified

Exam 12: Cardiovascular System

The systemic circuit circulates blood from the

Correct AnswerverifiedShow Answer

Intrinsic control of heartbeat rate involves what mechanism(s) ?

Correct AnswerverifiedShow Answer

A waitress that stands for hours and has a habit of crossing her legs when she sits will increase the chances of having blood accumulate in her

Correct AnswerverifiedShow Answer

Systole occurs when

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which statement is NOT true about neutrophils?

Correct AnswerverifiedShow Answer

The blood that enters the coronary artery comes from the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified