A patient is prescribed a drug that causes the selective stimulation of beta2 receptors. The nurse should assess the patient for what?
Hypoglycemia
Improved breathing
Tachycardia
Decreased pain
The Correct Answer is B
Choice A rationale: Selective stimulation of beta2 receptors is less likely to cause hypoglycemia; beta1 receptors are more involved in glucose metabolism.
Choice B rationale: Beta2 receptors are primarily found in the bronchioles of the lungs, and their stimulation leads to improved breathing.
Choice C rationale: Tachycardia is more commonly associated with the selective stimulation of beta1 receptors.
Choice D rationale: Beta2 receptors are not typically involved in the modulation of pain perception.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale: Diphenhydramine blocks the action of histamine by binding to H1 receptors, rather than preventing its release from mast cells.
Choice B rationale: Diphenhydramine works by blocking the activation of histamine receptors, preventing the effects of histamine.
Choice C rationale: Diphenhydramine is not involved in preventing axonal conduction.
Choice D rationale: Diphenhydramine is an H1 receptor antagonist and does not promote receptor activation.
Correct Answer is A
Explanation
Choice A rationale: A blood pressure reading of 72/56 mmHg may be expected after spinal anesthesia. The nurse should continue to monitor the blood pressure to ensure it stabilizes within an acceptable range for the individual patient.
Choice B rationale: Headache is a common side effect of spinal anesthesia, and the nurse should assess for this but should not be the first action with the given blood pressure reading.
Choice C rationale: Administering oxygen by nasal cannula may not be necessary based solely on the blood pressure reading after spinal anesthesia.
Choice D rationale: Elevating the client's feet is not the first intervention for a blood pressure reading of 72/56 mmHg after spinal anesthesia. It may be considered if the blood pressure remains low and symptoms of hypotension are present.
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