Physician order reads: Furosemide 60 mg po bid. Available: 40 mg scored tablets. What do you administer to the patient?
1.5 tablets
2.5 tablets
2 tablets
1 tablet
The Correct Answer is A
Choice A reason: Furosemide 60 mg requires 1.5 tablets of 40 mg (60 ÷ 40 = 1.5). Scored tablets allow precise division, ensuring the correct dose. This calculation aligns with safe medication administration principles, delivering the prescribed amount accurately.
Choice B reason: Administering 2.5 tablets (100 mg) exceeds the prescribed 60 mg dose. Overdosing furosemide, a loop diuretic, risks excessive diuresis, leading to dehydration, hypokalemia, or hypotension, making this choice unsafe and incorrect.
Choice C reason: Two tablets (80 mg) also exceed the 60 mg order. This overdose could cause significant fluid and electrolyte imbalances, particularly in vulnerable patients, as furosemide promotes rapid sodium and water excretion, making this choice inappropriate.
Choice D reason: One tablet (40 mg) underdoses the patient, providing only 66.7% of the prescribed 60 mg. Inadequate dosing may fail to achieve therapeutic effects, such as edema reduction or blood pressure control, rendering this choice incorrect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Stopping the enema entirely is premature and unnecessary for cramping, which is a common response to rapid fluid instillation. Documentation of intolerance is only appropriate if the procedure cannot be completed after attempting adjustments. This action fails to address the cramping’s cause, potentially delaying constipation relief and patient comfort.
Choice B reason: Lowering the solution container reduces the flow rate of the enema, decreasing intraluminal pressure in the colon. Cramping often results from rapid fluid instillation stretching the bowel. Slowing the flow allows the colon to accommodate the fluid, alleviating discomfort while continuing the procedure effectively.
Choice C reason: Encouraging the client to bear down is inappropriate as it may cause premature expulsion of the enema fluid, reducing its effectiveness in relieving constipation. Bearing down increases intra-abdominal pressure, potentially exacerbating cramping rather than alleviating it, and does not address the underlying cause of discomfort from fluid instillation.
Choice D reason: Allowing the client to expel fluid prematurely interrupts the enema’s purpose of softening stool and stimulating bowel movement. While it may temporarily relieve cramping, it reduces the procedure’s efficacy, potentially requiring a repeat enema, which increases patient discomfort and procedural risks like rectal irritation.
Correct Answer is C
Explanation
Choice A reason: Sufficient medication in the PCA syringe does not indicate effective pain management. It may reflect underuse due to inadequate pain control or patient misunderstanding of PCA use. Pain relief is assessed by patient-reported outcomes, not medication volume remaining.
Choice B reason: Sleeping and being difficult to arouse suggests oversedation, a potential adverse effect of PCA, particularly with opioids. This indicates excessive dosing rather than effective pain management, risking respiratory depression or other complications, requiring immediate dose adjustment or monitoring.
Choice C reason: A pain rating of 2 on a 0 to 10 scale indicates effective pain management. PCA allows patients to self-administer doses within safe limits, achieving low pain levels without excessive sedation, reflecting optimal balance of analgesia and patient safety post-trauma.
Choice D reason: Pressing the PCA button shows patient engagement but not pain control effectiveness. Frequent pressing may indicate inadequate relief, while infrequent use could reflect sufficient control or misunderstanding. Patient-reported pain levels are the primary indicator of PCA efficacy.
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