The physician orders Ampicillin 2 g in 250 mL of NS IVPB to infuse over 30 minutes. Tubing drop factor is 20 gtt/mL. Calculate the flow rate in drops per minute. (Round to the nearest whole number)
The Correct Answer is ["167"]
Use the formula to calculate flow rate in drops per minute:
Flow rate (gtt/min) = (Volume to be infused × Drop factor) ÷ Time (in minutes)
Substitute the values:
Flow rate = (250 mL × 20 gtt/mL) ÷ 30 min
Flow rate = 5000 ÷ 30
Flow rate ≈ 166.67
Round to the nearest whole number: 167 gtt/min
Final Answer: 167 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. While muscles may become painful with disuse, pain is not the most consistent or defining result. The primary issue is loss of elasticity and shortening.
B. Lack of regular stretching and contraction leads to muscle atrophy, shortening, and decreased elasticity, contributing to joint stiffness and reduced range of motion.
C. Muscles do not become longer or remain flexed with inactivity; instead, they typically shorten due to contracture formation.
D. Fibrosis and spasticity are more associated with neurological damage rather than simple disuse.
Correct Answer is B
Explanation
A.Postural hypotension is more commonly associated with autonomic dysfunction (e.g., in Parkinson’s disease or dehydration) and is not a hallmark sign of myasthenia gravis.
B.Diplopia (double vision) is a classic symptom of myasthenia gravis. The disease causes weakness of voluntary muscles, especially those that control eye and eyelid movement, leading to visual disturbances.
C.Dizziness with sudden head movement is often linked to vestibular dysfunction (e.g., benign paroxysmal positional vertigo), not myasthenia gravis.
D.Hand tremors during voluntary movement are more suggestive of cerebellar disorders or essential tremor, not myasthenia gravis, which primarily causes muscle weakness without tremors.
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