Question 1

Which of the following situations would lead to a decrease in MAP?

Accepted Answer

A)   Participation in a spinning class
B)   Participation in a 3-mile fun run
C)   Practicing silent meditation for 20 minutes
D)   All of the choices would lead to a decrease in MAP.E) A) and B)
F) A) and C)

Question 2

An incompetent pulmonary semilunar valve could result in less blood reaching the

Accepted Answer

A)   lungs.
B)   heart muscle.
C)   right ventricle.
D)   aorta.
E)   right atrium.F) A) and D)
G) A) and B)

Question 3

Which of the following factors would be altered as a result of cardiac tamponade (fluid accumulation in the pericardial cavity) ?

Accepted Answer

A)   Preload
B)   Stroke volume
C)   End-diastolic volume
D)   All of the choices are correct.E) A) and D)
F) B) and C)

Question 4

Oxygen-poor blood passes through the ________.

Accepted Answer

A)   right AV (tricuspid)  and pulmonary valves
B)   right AV (tricuspid)  valve only
C)   left AV (mitral)  and aortic valves
D)   left AV (mitral)  valve only
E)   pulmonary and aortic valvesF) A) and E)
G) C) and E)

Question 5

In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.

Accepted Answer

A)   R wave
B)   QRS wave
C)   P wave
D)   S wave
E)   T waveF) B) and E)
G) A) and B)

Question 6

Aortic stenosis results from

Accepted Answer

A)   a hole in the interatrial septum.
B)   a weakening of heart muscle.
C)   a narrowed opening through the aortic valve.
D)   low oxygen levels.
E)   leakage from the AV valves.F) A) and B)
G) C) and D)

Question 7

The heart

Accepted Answer

A)   is a four-chambered muscular pump.
B)   is posterior to the trachea.
C)   is lined with an epithelial layer called the epicardium.
D)   lies mostly to the right of the midline of the sternum.
E)   has a superior apex and an inferior base.F) C) and D)
G) B) and E)

Exam 20: Cardiovascular System: the Heart

Which of the following situations would lead to a decrease in MAP?

Correct Answer
verified

An incompetent pulmonary semilunar valve could result in less blood reaching the

Correct Answer
verified

Which of the following factors would be altered as a result of cardiac tamponade (fluid accumulation in the pericardial cavity) ?

Correct Answer
verified

Aortic stenosis results from

Correct Answer
verified

In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.

Correct Answer
verified

The heart

Correct Answer
verified

Oxygen-poor blood passes through the ________.

Correct Answer
verified

Exam 20: Cardiovascular System: the Heart

Which of the following situations would lead to a decrease in MAP?

Correct AnswerverifiedShow Answer

An incompetent pulmonary semilunar valve could result in less blood reaching the

Correct AnswerverifiedShow Answer

Which of the following factors would be altered as a result of cardiac tamponade (fluid accumulation in the pericardial cavity) ?

Correct AnswerverifiedShow Answer

Aortic stenosis results from

Correct AnswerverifiedShow Answer

In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.

Correct AnswerverifiedShow Answer

The heart

Correct AnswerverifiedShow Answer

Oxygen-poor blood passes through 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