A postoperative client has respiratory depression after receiving midazolam (Versed) for sedation. Which IV-push medication does the nurse prepare to administer?
Naloxone (Narcan)
Flumazenil (Romazicon)
Ativan (Lorazepam)
Protamine Sulfate
The Correct Answer is B
A. Naloxone (Narcan): Naloxone reverses opioid effects, not benzodiazepines.
B. Flumazenil (Romazicon): Flumazenil is the benzodiazepine antagonist used to reverse respiratory depression from midazolam/other benzos.
C. Ativan (Lorazepam): Lorazepam is a benzodiazepine and would worsen benzodiazepine-induced respiratory depression.
D. Protamine Sulfate: Protamine reverses heparin, not benzodiazepines.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Lactated Ringers (LR): LR is an isotonic crystalloid (used for extracellular volume replacement), not hypotonic.
B. 0.9% sodium chloride (NS): 0.9% NS is isotonic, not hypotonic.
C. 29% NaCl: Concentrations like 3% NaCl are hypertonic and used cautiously for specific indications (e.g., severe hyponatremia or intracranial hypertension); anything much above 0.9% is hypertonic, not hypotonic.
D. 0.45% sodium chloride (1/2 NS): 0.45% NaCl (half-normal saline) is a hypotonic intravenous solution.
Correct Answer is A
Explanation
A. Calcium carbonate: For borderline/low serum calcium, oral calcium supplements (e.g., calcium carbonate) are commonly used to raise serum calcium and provide elemental calcium; choice depends on clinical context and provider order.
B. Ibandronate: Ibandronate is a bisphosphonate for osteoporosis (reduces bone resorption) -it does not directly treat low serum calcium and may further lower serum calcium temporarily.
C. Calcitonin: Calcitonin lowers serum calcium by inhibiting bone resorption and is used in hypercalcemia or certain bone disorders, not to raise low calcium.
D. Zoledronic acid: Zoledronic acid (a bisphosphonate) is not used to correct low serum calcium; it may transiently lower serum calcium.
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