NUR 372- EXAM 1 PRACTICE QUESTIONS AND
ANSWERS
What is the composition of the heart?
A. Four chambers with four valves that control flow through the heart and lungs through
changes in pressure
B. Four chambers and four valves that control flow through the heart and lungs through
changes in oxygen levels
C. Two chambers on the right receiving blood from the high-pressure venous system
and two chambers on the left sending blood into the low-pressure arterial system
D. Two chambers on the right receiving oxygenated blood from the venous system and
two chambers on the left receiving deoxygenated blood from the pulmonary circuit -
Answer -a
Which is true of the electrical conduction system of the heart?
A. It is primarily controlled by the movement of uncharged ions.
B. It has a positive resting membrane potential.
C. It is reflected in the waveforms on the electrocardiogram.
D. It requires cells that respond only to a stimulus from the autonomic nervous system. -
Answer -c
Key patient teaching points for AF include which of the following? (Select all that apply.)
A. Medications for HR control
B. Bleeding precautions
C. Signs and symptoms of AF with RVR
D. Cardioversion
E. Defibrillation - Answer -a, b, c, d
Which of the following is not an appropriate intervention for all atrial dysrhythmias?
A. An ECG
B. A pulse check
C. Blood pressure
D. Cardioversion - Answer -d
The nurse understands that rhythms originating in the ventricle have which of the
following characteristics? (Select all that apply.)
A. Wide QRS complexes
B. Narrow QRS complexes
C. Only QRS complexes
D. Only fast rates
E. Only slow rates - Answer -a, c
Which of the following dysrhythmias requires defibrillation?
A. Atrial tachycardia
, B. Atrial fibrillation
C. Ventricular tachycardia with a pulse
D. Ventricular fibrillation - Answer -d
What do second-degree and third-degree heart blocks have in common?
A. Wide QRS complexes
B. Narrow QRS complexes
C. Dropped QRS complexes
D. No commonalities - Answer -d
Transcutaneous pacing should be considered for which of the following dysrhythmias?
A. VF
B. VT
C. Symptomatic heart block
D. AF - Answer -c
Signs or symptoms of symptomatic ventricular dysrhythmias include which of the
following? (Select all that apply.)
A. Hypotension
B. Dizziness
C. Fever
D. Shortness of breath
E. Hypertension - Answer -a, b, d
After a percutaneous coronary angioplasty, what assessment should most concern the
nurse?
A. Back discomfort
B. Chest pain
C. Capillary refill of less than 3 seconds
D. Hypoactive bowel sounds - Answer -b
A patient with hypertension has which physical symptom?
A. Decreased resistance, which may increase CO
B. Increased resistance, which may decrease CO
C. Increased resistance, which may increase CO
D. Decreased resistance, which may decrease CO - Answer -b
A nurse is providing care for a patient newly diagnosed with heart disease. Which
dietary, activity, or lifestyle modification(s) should be included in the plan of care?
(Select all that apply.)
A. Stopping smoking
B. Drinking lots of water
C. Limiting sedentary lifestyle
D. Eating a diet rich in red meat and protein
E. Limiting alcohol intake - Answer -a, c, e
ANSWERS
What is the composition of the heart?
A. Four chambers with four valves that control flow through the heart and lungs through
changes in pressure
B. Four chambers and four valves that control flow through the heart and lungs through
changes in oxygen levels
C. Two chambers on the right receiving blood from the high-pressure venous system
and two chambers on the left sending blood into the low-pressure arterial system
D. Two chambers on the right receiving oxygenated blood from the venous system and
two chambers on the left receiving deoxygenated blood from the pulmonary circuit -
Answer -a
Which is true of the electrical conduction system of the heart?
A. It is primarily controlled by the movement of uncharged ions.
B. It has a positive resting membrane potential.
C. It is reflected in the waveforms on the electrocardiogram.
D. It requires cells that respond only to a stimulus from the autonomic nervous system. -
Answer -c
Key patient teaching points for AF include which of the following? (Select all that apply.)
A. Medications for HR control
B. Bleeding precautions
C. Signs and symptoms of AF with RVR
D. Cardioversion
E. Defibrillation - Answer -a, b, c, d
Which of the following is not an appropriate intervention for all atrial dysrhythmias?
A. An ECG
B. A pulse check
C. Blood pressure
D. Cardioversion - Answer -d
The nurse understands that rhythms originating in the ventricle have which of the
following characteristics? (Select all that apply.)
A. Wide QRS complexes
B. Narrow QRS complexes
C. Only QRS complexes
D. Only fast rates
E. Only slow rates - Answer -a, c
Which of the following dysrhythmias requires defibrillation?
A. Atrial tachycardia
, B. Atrial fibrillation
C. Ventricular tachycardia with a pulse
D. Ventricular fibrillation - Answer -d
What do second-degree and third-degree heart blocks have in common?
A. Wide QRS complexes
B. Narrow QRS complexes
C. Dropped QRS complexes
D. No commonalities - Answer -d
Transcutaneous pacing should be considered for which of the following dysrhythmias?
A. VF
B. VT
C. Symptomatic heart block
D. AF - Answer -c
Signs or symptoms of symptomatic ventricular dysrhythmias include which of the
following? (Select all that apply.)
A. Hypotension
B. Dizziness
C. Fever
D. Shortness of breath
E. Hypertension - Answer -a, b, d
After a percutaneous coronary angioplasty, what assessment should most concern the
nurse?
A. Back discomfort
B. Chest pain
C. Capillary refill of less than 3 seconds
D. Hypoactive bowel sounds - Answer -b
A patient with hypertension has which physical symptom?
A. Decreased resistance, which may increase CO
B. Increased resistance, which may decrease CO
C. Increased resistance, which may increase CO
D. Decreased resistance, which may decrease CO - Answer -b
A nurse is providing care for a patient newly diagnosed with heart disease. Which
dietary, activity, or lifestyle modification(s) should be included in the plan of care?
(Select all that apply.)
A. Stopping smoking
B. Drinking lots of water
C. Limiting sedentary lifestyle
D. Eating a diet rich in red meat and protein
E. Limiting alcohol intake - Answer -a, c, e
