Sympathetic stimulation of the respiratory system leads to what?
Decreased depth of respirations.
Increased perfusion of lungs.
Increase respiratory rate.
Decreased respiratory rate.
The Correct Answer is C
Choice A rationale
Sympathetic stimulation typically increases the depth and rate of respirations to enhance oxygen delivery to tissues during stress or physical activity.
Choice B rationale
Sympathetic stimulation does not directly increase lung perfusion. It primarily affects the airways to increase airflow.
Choice C rationale
Sympathetic stimulation increases the respiratory rate by activating the respiratory centers in the brain, preparing the body for increased oxygen demand during stress or physical activity.
Choice D rationale
Sympathetic stimulation does not decrease the respiratory rate. It typically increases both the rate and depth of respirations to meet the body's increased oxygen needs. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Oral morphine typically reaches peak activity at around 45 minutes after administration. This allows time for the medication to be absorbed through the gastrointestinal tract and enter the bloodstream to provide pain relief.
Choice B rationale
10 minutes is too short for oral morphine to reach peak activity. This timeframe is more consistent with intravenous administration, which allows for rapid onset of action.
Choice C rationale
30 minutes is a bit too short for oral morphine to reach peak effect, although some patients may start to feel relief. However, peak plasma concentrations generally occur closer to 45-60 minutes.
Choice D rationale
While morphine can continue to have effects up to 60 minutes and beyond, the peak activity is typically observed around the 45-minute mark. Waiting for 60 minutes may underestimate the peak timeframe.
Correct Answer is A
Explanation
Choice A rationale
Cough and sneeze reflexes indeed serve to clear the airway of irritants and secretions.
Choice B rationale
Stating false would be incorrect as these reflexes are protective mechanisms for the respiratory system. .
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