EKG Final Exam Questions with Detailed Verified
Answers
A heart rate greater than 100 is said to be a ______________.
bundle branch block
tachycardia
bradycardia
myocardium Ans: tachycardia
When some sinus impulses get through to ventricles and some do not, resulting in
dropped beats, it is considered to be what kind of AV block?
second-degree block
third-degree block
complete heart block
first-degree block Ans: .second-degree block
Somatic tremor artifact is commonly caused by _______________.
electrical interference
respirations
patient movement
lotion on the skin interfering with the signal Ans: .patient movement
Atrial fibrillation has _______________.
,P waves of multiple shapes
no P waves at all
P waves with uniform shape
sawtooth-shaped waves between the QRS complexes Ans: no P waves at all
Which of the following statements about the right atrium is true?
It is a receiving chamber for oxygenated blood returning from the lungs.
It is the receiving chamber for deoxygenated blood coming from the vena cava.
It is the major pumping chamber of the heart.
It is about 100% saturated with oxygen. Ans: xxIt is a receiving chamber for
oxygenated blood returning from the lungs.
It is the receiving chamber for deoxygenated blood coming from the vena cava.
Ventricular relaxation occurs during ____________.
systole
diastole
between the lubb and dub of the heart sounds
low blood pressure Ans: diastole
An abnormal heart rhythm resulting from impulses coming from a locus of tissue in the
area of the atrioventicular node is called _______.
junctional rhythm
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, bundle branch block
myocardial infarction
atrial infarct Ans: junctional rhythm
if the patient's rhythm changes, what should you do FIRST?
look for P waves
calculate the heart rate, rhythm, and intervals
assess your patient for signs of decreased cardiac output
change the lead to see if the rhythm is real or if it's artifact Ans: assess your patient
for signs of decreased cardiac output
When there is a delay in transmission of sinus impulses to the ventricle resulting in a
prolonged PR interval, the AV block is considered to be a _________.
second-degree block
third-degree block
complete heart block
first-degree block Ans: first-degree block
Which of the following is NOT a characteristic of a PVC?
the T wave and the QRS are pointed in opposite directions
the T wave and the QRS are pointed in the same direction
the beat is premature and arises before the next normal beat is expected
© Get it right 2025 Getaway - Stuvia US All rights reserved
Answers
A heart rate greater than 100 is said to be a ______________.
bundle branch block
tachycardia
bradycardia
myocardium Ans: tachycardia
When some sinus impulses get through to ventricles and some do not, resulting in
dropped beats, it is considered to be what kind of AV block?
second-degree block
third-degree block
complete heart block
first-degree block Ans: .second-degree block
Somatic tremor artifact is commonly caused by _______________.
electrical interference
respirations
patient movement
lotion on the skin interfering with the signal Ans: .patient movement
Atrial fibrillation has _______________.
,P waves of multiple shapes
no P waves at all
P waves with uniform shape
sawtooth-shaped waves between the QRS complexes Ans: no P waves at all
Which of the following statements about the right atrium is true?
It is a receiving chamber for oxygenated blood returning from the lungs.
It is the receiving chamber for deoxygenated blood coming from the vena cava.
It is the major pumping chamber of the heart.
It is about 100% saturated with oxygen. Ans: xxIt is a receiving chamber for
oxygenated blood returning from the lungs.
It is the receiving chamber for deoxygenated blood coming from the vena cava.
Ventricular relaxation occurs during ____________.
systole
diastole
between the lubb and dub of the heart sounds
low blood pressure Ans: diastole
An abnormal heart rhythm resulting from impulses coming from a locus of tissue in the
area of the atrioventicular node is called _______.
junctional rhythm
© Get it right 2025 Getaway - Stuvia US All rights reserved
, bundle branch block
myocardial infarction
atrial infarct Ans: junctional rhythm
if the patient's rhythm changes, what should you do FIRST?
look for P waves
calculate the heart rate, rhythm, and intervals
assess your patient for signs of decreased cardiac output
change the lead to see if the rhythm is real or if it's artifact Ans: assess your patient
for signs of decreased cardiac output
When there is a delay in transmission of sinus impulses to the ventricle resulting in a
prolonged PR interval, the AV block is considered to be a _________.
second-degree block
third-degree block
complete heart block
first-degree block Ans: first-degree block
Which of the following is NOT a characteristic of a PVC?
the T wave and the QRS are pointed in opposite directions
the T wave and the QRS are pointed in the same direction
the beat is premature and arises before the next normal beat is expected
© Get it right 2025 Getaway - Stuvia US All rights reserved
