The nurse is providing care to a patient in the post anesthesia care unit (PACU) who lost a large amount of blood during a surgical procedure. Which assessment finding correlates to this postoperative complication?

Hypertension

Hypothermia

Tachycardia

Bradypnea

Answer and Explanation

The Correct Answer is C

A. Hypertension: Blood loss leads to hypovolemia, which usually causes hypotension, not hypertension.

B. Hypothermia: While hypothermia can occur postoperatively, it is not the most direct result of blood loss.

C. Tachycardia: Blood loss leads to decreased circulating volume, triggering tachycardia as a compensatory response to maintain oxygen delivery.

D. Bradypnea: Severe blood loss is more likely to cause tachypnea (rapid breathing) rather than slow respirations.

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Correct Answer is B

Explanation

A. Dopamine: Dopamine is mainly involved in motivation, pleasure, and movement. Deficiencies are linked to Parkinson’s disease and schizophrenia rather than sleep and memory issues.

B. Serotonin: Serotonin plays a major role in regulating sleep, mood, and cognitive function. Low serotonin levels are associated with depression, sleep disturbances, and memory problems.

C. Norepinephrine: Norepinephrine is involved in alertness and the fight-or-flight response. While it affects attention and arousal, its deficiency is less directly linked to sleep dysregulation and memory loss.

D. Histamine: Histamine is primarily involved in wakefulness and allergic responses. While it plays a role in arousal, it is not the primary neurotransmitter for sleep regulation and memory.

A. To ensure that the medication is covered by insurance B. To inform healthcare providers and consumers of potentially dangerous side effects C. To indicate that the medication is safe for all individuals to use D. To promote the use of the medication for off-label purposes

Correct Answer is B

Explanation

A. To ensure that the medication is covered by insurance: Insurance coverage is not related to black box warnings.

B. To inform healthcare providers and consumers of potentially dangerous side effects: A black box warning is the strongest safety warning issued by the FDA, highlighting serious, potentially life-threatening risks of a medication.

C. To indicate that the medication is safe for all individuals to use: A black box warning indicates increased risks, not universal safety.

D. To promote the use of the medication for off-label purposes: Black box warnings do not encourage off-label use; they warn against potential dangers.

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The nurse is providing care to a patient in the post anesthesia care unit (PACU) who lost a large amount of blood during a surgical procedure. Which assessment finding correlates to this postoperative complication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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