A nurse is preparing to instill 840 mL of enteral nutrition via a client's gastrostomy tube over 24 hr using an infusion pump. The nurse should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)_mL/hr
The Correct Answer is ["35"]
Here's the calculation:
Total volume of enteral nutrition (mL): 840 mL
Infusion time (hours): 24 hours
Flow rate (mL/hr) = Total volume (mL) / Infusion time (hours)
Flow rate (mL/hr) = 840 mL / 24 hours = 35 mL/hr (round to nearest whole number as requested)
Therefore, the nurse should program the pump to deliver 35 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Excretion:
This is the correct answer. The kidneys play a crucial role in the excretion of drugs and their metabolites from the body. After drugs undergo metabolism in the liver or other tissues, the resulting metabolites are often water-soluble and can be filtered by the kidneys into the urine. This process helps eliminate drugs and their byproducts from the body, preventing their accumulation and potential toxicity.
B) Absorption:
Absorption refers to the movement of drugs from the site of administration into the bloodstream. While the kidneys do not directly facilitate drug absorption, they may indirectly influence drug absorption by regulating blood flow and systemic circulation.
C) Metabolism:
Metabolism, or biotransformation, involves the enzymatic alteration of drugs into metabolites, which are often more water-soluble and easier to excrete. While the liver is the primary site of drug metabolism, the kidneys do not play a direct role in drug metabolism.
D) Distribution:
Distribution refers to the movement of drugs from the bloodstream to various tissues and organs in the body. While the kidneys do not directly influence drug distribution, changes in renal function can affect drug distribution by altering blood flow and plasma protein binding. However, the primary role of the kidneys in pharmacokinetics is excretion, not distribution.
Correct Answer is ["675"]
Explanation
1. Convert client weight from pounds to kilograms (kg):
We know 1 kg = 2.205 pounds.
Client weight (kg) = 198 lb / 2.205 lb/kg = 90 kg (round to nearest whole number for this calculation).
2. Calculate the total daily dosage:
Prescribed dosage per kg per day: 15 mg/kg/day
Client weight (kg): 90 kg (rounded value from step 1)
Total daily dosage (mg): Dosage (mg/kg/day) x Client weight (kg)
Total daily dosage (mg): 15 mg/kg/day x 90 kg = 1350 mg/day
3. Since the dosage is divided equally every 12 hours, calculate the amount per dose:
Frequency of administration: Every 12 hours
Total daily dosage (mg): 1350 mg/day
Dosage per dose (mg) = Total daily dosage (mg) / Frequency (doses/day)
Dosage per dose (mg) = 1350 mg/day / 2 doses/day
Dosage per dose (mg) = 675 mg/dose (round to nearest whole number as requested)
Therefore, the nurse should administer approximately 675 mg of vancomycin with each dose.
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