EKG Review 2
Review quiz, Show certificate for grading or print
- 1.
Resting cardiac cells are _________________ inside in comparison to outside the cell.
- A.
Positive
- B.
Negative
- C.
Energetic
- D.
Neutral
Correct Answer
B. Negative -
- 2.
This property of cardiac cells refers to the ability to receive electrical stimulus.
- A.
Automaticity
- B.
Excitability
- C.
Conductivity
- D.
Contractility
Correct Answer
C. Conductivity -
- 3.
The S1 sound is due to
- A.
Opening of the mitral and tricuspid valves
- B.
Opening of the aortic and pulmonic valves
- C.
Closure of the aortic and pulmonic valves
- D.
Closure of the mitral and tricuspid valves
Correct Answer
D. Closure of the mitral and tricuspid valves -
- 4.
The two semi-lunar valves are
- A.
Mitral and tricuspid
- B.
Mitral and biscuspid
- C.
Pulmonic and aortic
- D.
Aortic and mitral
Correct Answer
C. Pulmonic and aortic -
- 5.
What is the intrinsic rate of the SA node?
- A.
60-100 bpm
- B.
60-80 bpm
- C.
40-60 bpm
- D.
20-40 bpm
Correct Answer
A. 60-100 bpm -
- 6.
In this part of the electrical system there is a 1/10th second delay.
- A.
SA node
- B.
AV node
- C.
Bundle of His
- D.
Purkinje Fibers
Correct Answer
B. AV node -
- 7.
This part of the electrical system is located in the superior portion of the interventricular septum and has an instrinsic rate of 40-60 bpm
- A.
SA node
- B.
AV node
- C.
Bundle of His
- D.
Bundle brances
Correct Answer
C. Bundle of His -
- 8.
In lead 1 the left arm is
- A.
Positive
- B.
Negative
- C.
Neutral
- D.
Ground
Correct Answer
A. Positive -
- 9.
Sweat or lotion on the patient is the most common cause of this type of artifact
- A.
Tort
- B.
Wandering baseline
- C.
Somatic tremors
- D.
60 cycle interference
Correct Answer
B. Wandering baseline -
- 10.
If a person is 30 years old what is 85% of their target heart rate
- A.
220
- B.
190
- C.
162
- D.
100
Correct Answer
C. 162 -
- 11.
1 mv of electricity causes a deflection of
- A.
1cm
- B.
10cm
- C.
1mm
- D.
10 mv
Correct Answer
A. 1cm -
- 12.
In lead AVR what is positive?
- A.
Left leg
- B.
Right arm
- C.
Left arm
- D.
Right leg
Correct Answer
B. Right arm -
- 13.
Which valve seperates the right atrium and right ventricle?
- A.
Tricuspid
- B.
Mitral
- C.
Aortic
- D.
Pulmonic
Correct Answer
A. Tricuspid -
- 14.
This layer of the heart is involved in the conduction system
- A.
Pericardium
- B.
Epicardium
- C.
Endocardium
- D.
Myocardium
Correct Answer
C. Endocardium -
- 15.
A t wave represents
- A.
Ventricular repolarization
- B.
Ventricular depolarization
- C.
Atrial polarization
- D.
Atrial repolarization
Correct Answer
A. Ventricular repolarization -
- 16.
The QRS complex should be
- A.
6-12
- B.
0.12-0.20
- C.
.06-.12
- D.
.02-.06
Correct Answer
C. .06-.12 -
- 17.
Which of the following heart chambers pumps blood directly to the aorta
- A.
Right atrium
- B.
Right ventricle
- C.
Left ventricle
- D.
Left atrium
Correct Answer
C. Left ventricle -
- 18.
What part of the EKG represents atrial depolarization?
- A.
QRS
- B.
T wave
- C.
U wave
- D.
P wave
Correct Answer
D. P wave -
- 19.
If the u wave is prominent it could mean
- A.
Hypotension
- B.
Hypertension
- C.
Hyperkalemia
- D.
Hypokalemia
Correct Answer
D. Hypokalemia -
- 20.
When placing V4 it should go
- A.
5th intercostal space L anterior axillary line
- B.
5th intercostal space L midaxillary line
- C.
5th intercostal space L mid clavicular line
- D.
4th intercostal space L sternal border
Correct Answer
C. 5th intercostal space L mid clavicular line -
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Current Version
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Feb 12, 2013Quiz Edited by
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Jan 13, 2012Quiz Created by
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