Explanations)
Which term is used to describe the outer layer of the cardiac tissue which protects the surface
of the heart against trauma or infection?
a. endocardium
b. epicardium
c. myocardium
d. pericardium - ANS ✔✔B
A therapist discusses the important of cholesterol level as a risk factor for coronary artery
disease. Which total blood cholesterol level would place the patient at the greatest risk?
a. 110 mg/dL
b. 140 mg/dL
c. 190 mg/dL
d. 230 mg/dL - ANS ✔✔d
Which heart sound occurs when the mitral and tricuspid valves close at the onset of systole?
a. S1
b. S2
c. S3
d. S4 - ANS ✔✔a
Which of the following measures would be utilized to determine cardiac output?
a. end systolic volume and heart rate reserve
b. stroke volume and heart rate
c. venous return and heart rate
,d. ejection fraction and heart rate reserve - ANS ✔✔b
A therapist begins an exercise session with a patient diagnosed with left sided heart failure.
Which of the following findings would most likely occur with the initiation of the exercise
session?
a. hyperoxemia
b. dyspnea
c. bradycardia
d. pitting edema - ANS ✔✔b
A patient in a cardiac rehabilitation program is clinically stable, independent with self-
monitoring techniques, and no longer requires electrocardiograph monitoring. This description
is most consistent with a patient entering:
a. phase I
b. phase II
c. phase III
d. phase IV - ANS ✔✔c
The most appropriate location to palpate the posterior tibial artery is on the:
a. anterior aspect of the medial malleolus
b. posterior aspect of the medial malleolus
c. anterior aspect of the lateral malleolus
d. posterior aspect of the lateral malleolus - ANS ✔✔b
A therapist reviews a laboratory report for a patient receiving oral anticoagulant therapy. Which
test would be most important to determine the effectiveness of the therapy?
a. hematocrit
b. hemoglobin
, c. platelet count
d. prothrombin time - ANS ✔✔d
What value is most representative of the pH of arterial blood?
a. 7.2
b. 7.3
c. 7.4
d. 7.5 - ANS ✔✔c
Which of the following values would be considered a normal platelet count?
a. 100,000 /mm3
b. 250,000 /mm3
c. 500,000 /mm3
d. 700,000 /mm3 - ANS ✔✔b
Which component of the cardiac cycle would be the most useful in identifying the presence of
myocardial ischemia?
a. P wave
b. QRS complex
c. ST segment
d. T wave - ANS ✔✔c
Which of the following conditions would maintain a normal heart rate of 60-100 beats per
minute?
a. atrial fibrillation
b. premature atrial contractions
c. supraventricular tachycardia