Form B – Latest Exam Update with
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1. The nurse is caring for a patient with fluid volume overload. Which
physiological effect does the nurse most likely expect?
a. Increased
preload
b. Increased heart rate
c. Decreased afterload
d. Decreased tissue perfusion
ANS: A
Preload refers to the amount of blood in the left ventricle at the end of
diastole; an increase in circulating volume would increase the preload of
the heart. Afterload refers to resistance; increased pressure would lead to
increased resistance, and afterload would increase. A decrease in tissue
perfusion would be seen with hypovolemia. A decrease in fluid volume
would cause an increase in heart rate as the body is attempting to increase
cardiac output.
26. A nurse is caring for a patient with continuous cardiac
monitoring for heart
dysrhythmias. Which rhythm will cause the nurse to
intervene immediately? a. Ventricular tachycardia
, b. Atrial fibrillation
c. Sinus rhythm
d. Paroxysmal supraventricular tachycardia ANS:
A
Ventricular tachycardia and ventricular fibrillation are life-threatening
rhythms that require immediate intervention. Ventricular tachycardia is a
life-threatening dysrhythmia because of the decreased cardiac output and
the potential to deteriorate into ventricular fibrillation or sudden cardiac
death. Atrial fibrillation is a common dysrhythmia in older adults and is
not as serious as ventricular tachycardia. Sinus rhythm is normal.
Paroxysmal supraventricular tachycardia is a sudden, rapid onset of
tachycardia originating above the AV node. It often begins and ends
spontaneously.
27. The patient is experiencing angina pectoris. Which
assessment finding
does the nurse expect when conducting a history and physical
examination?
a. Experiences chest pain after eating a heavy meal
b. Experiences adequate oxygen saturation during exercise
c. Experiences crushing chest pain for more than 20 minutes
d. Experiences tingling in the left arm that lasts throughout the
morning
ANS: A
Angina pectoris is chest pain that results from limited oxygen supply.
Often pain is precipitated by activities such as exercise, stress, and
eating a heavy meal and lasts 3 to 5 minutes.