CCM Final Exam Questions and Correct
Answers
Question 1
1. The normal range for pulmonary artery diastolic pressure is mm Hg.
a. 0 to 8
b. 8 to 15
c. 15 to 28
d. 28 to 35
Correct Answer
b. 8 to 15
Question 2
Which of the following pressures is a clinical indicator of ventricular afterload?
a. LVEDP
b. CVP
c. PCWP
d. MAP
Correct Answer
d. MAP
Page 1 of 148
,Question 3
1. Circulation to the vital organs (kidneys, coronary arteries) may be compromised if
the MAP falls to below mm Hg.
a. 60
b. 80
c. 100
d. 120
Correct Answer
a. 60
Question 4
Which of the following is a characteristic of third-degree heart block?
a. There is a lengthening PR interval.
b. There is often a 2:1 ratio between P waves and QRS complexes.
c. The atrial rate is the same as the ventricular rate.
d. There is no relationship between the P waves and the QRS complexes.
Correct Answer
d. There is no relationship between the P waves and the QRS complexes.
Question 5
Which of the following associations' standards should be met before PFT equipment
is purchased and used?
a. The American Lung Association
b. The American College of Chest Physicians
c. The Joint Commission
d. The American Thoracic Society
Correct Answer
d. The American Thoracic Society
Page 2 of 148
,Question 6
Which of the following statements is true regarding the accuracy of the reported
results?
pH
7.28
PaCO2
67 mm Hg
PaO2
49 mm Hg
SaO2
76%
Hb
10.1 g/dL
CaO2
10.4 vol%
Bicarbonate
26 mEq/L
Base excess
-2 mEq/L
Respiratory rate
25 beats/min
FIO2
0.70
a. The oxygen is inaccurate.
b. The pH is reported considerably higher than it should be.
c. The blood gas results are all accurate.
d. The reported pH is considerably lower than the given PaCO2 and HCO3- would
indicate.
Correct Answer
b. The pH is reported considerably higher than it should be.
Page 3 of 148
, Question 7
What is considered the hallmark of cardiac contractility?
a. Preload pressure
b. Afterload pressure
c. Mean arterial blood pressure
d. Conduction rate
Correct Answer
a. Preload pressure
Question 8
Which of the following are the main clinical reasons for measuring PCWP?
I. To measure pulmonary capillary hydrostatic pressure
II. To estimate cardiac output
III. To estimate the filling pressure of the left ventricle
IV. To estimate the filling pressure of the right ventricle
a. I, II, III
b. I, III
c. II, III, IV
d. I, II, III, IV
Correct Answer
b. I, III
Question 9
Which of the following would be the best indicator of tissue oxygenation?
a. PaO2
b. SaO2
c. CaO2
d. PvO2
Correct Answer
d. PvO2
Page 4 of 148
Answers
Question 1
1. The normal range for pulmonary artery diastolic pressure is mm Hg.
a. 0 to 8
b. 8 to 15
c. 15 to 28
d. 28 to 35
Correct Answer
b. 8 to 15
Question 2
Which of the following pressures is a clinical indicator of ventricular afterload?
a. LVEDP
b. CVP
c. PCWP
d. MAP
Correct Answer
d. MAP
Page 1 of 148
,Question 3
1. Circulation to the vital organs (kidneys, coronary arteries) may be compromised if
the MAP falls to below mm Hg.
a. 60
b. 80
c. 100
d. 120
Correct Answer
a. 60
Question 4
Which of the following is a characteristic of third-degree heart block?
a. There is a lengthening PR interval.
b. There is often a 2:1 ratio between P waves and QRS complexes.
c. The atrial rate is the same as the ventricular rate.
d. There is no relationship between the P waves and the QRS complexes.
Correct Answer
d. There is no relationship between the P waves and the QRS complexes.
Question 5
Which of the following associations' standards should be met before PFT equipment
is purchased and used?
a. The American Lung Association
b. The American College of Chest Physicians
c. The Joint Commission
d. The American Thoracic Society
Correct Answer
d. The American Thoracic Society
Page 2 of 148
,Question 6
Which of the following statements is true regarding the accuracy of the reported
results?
pH
7.28
PaCO2
67 mm Hg
PaO2
49 mm Hg
SaO2
76%
Hb
10.1 g/dL
CaO2
10.4 vol%
Bicarbonate
26 mEq/L
Base excess
-2 mEq/L
Respiratory rate
25 beats/min
FIO2
0.70
a. The oxygen is inaccurate.
b. The pH is reported considerably higher than it should be.
c. The blood gas results are all accurate.
d. The reported pH is considerably lower than the given PaCO2 and HCO3- would
indicate.
Correct Answer
b. The pH is reported considerably higher than it should be.
Page 3 of 148
, Question 7
What is considered the hallmark of cardiac contractility?
a. Preload pressure
b. Afterload pressure
c. Mean arterial blood pressure
d. Conduction rate
Correct Answer
a. Preload pressure
Question 8
Which of the following are the main clinical reasons for measuring PCWP?
I. To measure pulmonary capillary hydrostatic pressure
II. To estimate cardiac output
III. To estimate the filling pressure of the left ventricle
IV. To estimate the filling pressure of the right ventricle
a. I, II, III
b. I, III
c. II, III, IV
d. I, II, III, IV
Correct Answer
b. I, III
Question 9
Which of the following would be the best indicator of tissue oxygenation?
a. PaO2
b. SaO2
c. CaO2
d. PvO2
Correct Answer
d. PvO2
Page 4 of 148
