A client is to receive 100 mg of Phenobarbital q HS to be given via a tube feeding tube. The concentration of the Phenobarbital elixir is 50mg/5mL. How much will the nurse administer?
The Correct Answer is ["10"]
Concentration = 50 mg / 5 mL → 10 mg/mL.
Ordered dose = 100 mg.
Volume = 100 mg ÷ 10 mg/mL = 10 mL.
Correct answer: 10 ml
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Vitamin C deficiency: Antilipemic (statin) therapy does not cause vitamin C deficiency.
B. Neutropenia: Neutropenia is not a primary or common complication of statins/antilipemics.
C. Pulmonary problems: Pulmonary disease is not a characteristic complication of statin therapy.
D. Liver dysfunction: Statins (common antilipemic agents) can cause elevations in liver enzymes and, rarely, clinically significant liver injury -clinicians monitor liver function at baseline and as clinically indicated.
Correct Answer is D
Explanation
A. Peripheral edema: Lactulose is an osmotic laxative acting in the gut; peripheral edema is not a typical direct effect.
B. Dry mouth: Dry mouth is not a common or primary effect of lactulose.
C. Headache: Headache is not a characteristic expected effect of lactulose therapy.
D. Diarrhea: Lactulose increases osmotic water content in the colon producing soft stools; common adverse effect is diarrhea (and with excessive dosing, dehydration and electrolyte disturbances), so monitor stool frequency and hydration.
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