040-444 : ACSM Registered Clinical Exercise Physiologist Exam

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ACSM
040-444
ACSM Registered Clinical Exercise Physiologist
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(From Goldberger AL: Clinical Electrocardiography: A Simplified Approach, 6th ed. St.
Louis, Mosby, 1999, p 70.)
Answer: C
QUESTION: 356
Subendocardial ischemia usually produces
A. ST-segment elevation.
B. ST -segment depression.
C. Q waves.
D. U waves.
Answer: B
QUESTION: 357
In the ECG strip shown below, which arrhythmia is present?
A. Premature ventricular contractions.
B. Ventricular tachycardia.
C. Ventricular trigeminy.
D. Ventricular bigeminy.

(From Goldberger AL: Clinical Electrocardiography: A Simplified Approach, 6th ed. 51.
Louis, Mosby, 1999, p 167.)
Answer: B
QUESTION: 358
In the ECG strip shown below, which arrhythmia is indicated?
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A. Atrial flutter.
B. Atrial fibrillation.
C. Premature atrial contractions.
D. Atrial tachycardia.
Answer: A
QUESTION: 359
Abnormally tall and peaked T waves suggest which of the following?
A. Hyperkalemia.
B. Acute pericarditis.
C. Acute MI.
D. Hypokalemia.
Answer: A
QUESTION: 360
Which of the following conditions can prolong the QT interval?
A. Hypokalemia and hypercalcemia.
B. Hyperkalemia and hypercalcemia.
C. Hypocalcemia and hypokalemia.
D. Hypocalcemia and hyperkalemia.
Answer: D
QUESTION: 361
Differentiation between supraventricular and ventricular rhythm is made on the
basis of the
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A. Duration (width) of the QRS complex and the presence or absence of P waves.
B. Appearance of the ST segment.
C. Amplitude of the U wave.
D. Duration of the PR interval.
Answer: A
QUESTION: 362
Which of the following is one cause of a wide QRS complex?
A. Hypokalemia.
B. Defective intraventricular conduction.
C. Right atrial enlargement.
D. Abnormal ST segment
Answer: B
QUESTION: 363
In response to various stimuli, movements of ions occur, causing the rapid loss of
the internal negative potential. This process is known as
A. Polarization.
B. Repolarization.
C. Automaticity.
D. Depolarization.
Answer: D
QUESTION: 364
Digitalis effect refers to
A. Scooped-out depression of the ST segment produced by digitalis.
B. Elevation of the PR interval produced by digitalis.
C. Shortening of the QT interval produced by digitalis.
D. Prolongation of the QRS complex produced by digitalis.
111
Answer: A
QUESTION: 365
Tall, positive T waves may be caused to all of the following EXCEPT
A. Hyperacute phase of MI.
B. LVH.
C. Acute pericarditis.
D. Hypocalcemia.
Answer: D
QUESTION: 366
T
In the ECG strip sho'A I1 below, what abnormalities are indicated?
A. Left atrial enlargement and LVH.
B. Right atrial enlargement and right ventricular hypertrophy.
C. Left anterior fascicular block and left posterior h,scicular block.
D. Subendocardial ischemia and infarction
Avr V1 V4
Avl V2 V5
Avf V3 V6
Answer: A
112
QUESTION: 367
Right-axis deviation may be caused by
A. Acute pericarditis.
B. Right atrial enlargement.
C. Chronic obstructive pulmonary disease.
D. Cardiomyopathy.
Answer: C
QUESTION: 368
In atrial flutter, the stimulation rate is approximately
A. 75 bpm
B. 125 bpm
C. 200 bpm
D. 300 bpm
Answer: D
QUESTION: 369
Myocardial cells can be excited in response to all of the following stimuli EXCEPT:
A. Electrical
B. Chemical
C. Mechanical
D. Emotional
Answer: D
QUESTION: 370
The P wave on the ECG can be
A. Negative
113
B. Positive
C. Isoelectric
D. Either positive or negative
Answer: D




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