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
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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Weight gain/loss. Weight changes (gain or loss) are common with antidepressants, particularly SSRIs and TCAs.
B. Dry mouth. Dry mouth is a well-known side effect of many antidepressants, especially tricyclic antidepressants (TCAs) and serotonin-norepinephrine reuptake inhibitors (SNRIs).
C. Insomnia. Many antidepressants, particularly SSRIs and SNRIs, can cause insomnia or increased energy levels.
D. Rash. A rash is not a common side effect of antidepressants. While allergic reactions can occur, they are not considered routine side effects.
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.
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