A nurse is collecting data on client who has a heart rate of 56/min. Which of the following findings should the nurse expect?
Hypoglycemia
Report of dizziness
Temperature of 39° C (102.2° F).
History of cigarette smoking
The Correct Answer is B
A: Hypoglycemia does not directly correlate with a lower heart rate.
B: A heart rate of 56/min may indicate bradycardia, which can lead to symptoms like dizziness due to decreased cardiac output and subsequently reduced cerebral perfusion.
C: A fever would typically increase the heart rate, not decrease it.
D: Cigarette smoking is more commonly associated with an increased heart rate due to stimulants like nicotine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A: Anisocoria refers to a condition where the pupils are of unequal sizes, which is not related to focusing ability.
B: Accommodation response involves the ability of the eye to change focus from distant to near objects, demonstrating the flexibility of the lens which is exactly what the instruction aims to test.
C: Direct pupil response relates to pupil constriction in response to light, not changes in focal distance.
D: Consensual reflex also refers to the reaction of both pupils to light and would not be assessed through changes in focal distance.
Correct Answer is D
Explanation
A. Decreased plasma volume might cause overall weak pulses but would unlikely cause an absent pulse specifically localized in one or more extremities. Decreased plasma volume generally affects circulation systemically, not selectively in certain limbs.
B. Problems with the heart's electrical conduction system primarily affect the rhythm and rate of the heart but do not directly cause absent pulses in extremities. These issues lead to irregular or abnormal heartbeats, not localized absence of pulses.
C. Shock can result in weak or thready pulses due to poor blood flow, but shock alone would not typically cause a pulse to be completely absent in one extremity while present in others. Shock affects the circulatory system as a whole.
D. A blockage of blood flow is the most likely cause of an absent pulse in one or more extremities. This could be due to atherosclerosis, embolism, or thrombosis, which can obstruct blood flow in specific areas, leading to no detectable pulse in those extremities.
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