A nurse is preparing to administer dextrose 5% in water 350 mL IV to infuse over 3 hr. The drop factor of the manual IV tubing is 10 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["19"]
Drip rate (gtt/min) = (Volume to be infused in mL × Drop factor) ÷ Time of infusion in minutes
Given:
Volume to be infused = 350 mL Drop factor = 10 gtt/mL
Time of infusion = 3 hours = 180 minutes
Plugging these values into the formula:
Drip rate = (350 mL × 10 gtt/mL) ÷ 180 min Drip rate ≈ (3500 gtt) ÷ 180 min
Drip rate ≈ 19.4 gtt/min
Rounding to the nearest whole number, the drip rate is approximately 19 gtt/min. Therefore, the nurse should set the manual IV infusion to deliver 19 gtt/min.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Hyperactive bowel sounds: Muscarinic agonist poisoning typically results in increased gastrointestinal motility and hyperactive bowel sounds. Atropine, an anticholinergic medication, works by blocking muscarinic receptors and reducing gastrointestinal motility. Therefore, the presence of hyperactive bowel sounds may indicate ongoing muscarinic stimulation and inadequate treatment with atropine.
B. Heart rate 90/min: Atropine is an anticholinergic medication that increases heart rate by blocking the parasympathetic effects of acetylcholine on the heart. Bradycardia is a common manifestation of muscarinic agonist poisoning, and an increase in heart rate following atropine administration indicates reversal of this effect and effective treatment.
C. Blood pressure 90/50 mm Hg: Atropine administration may result in transient hypertension due to its effect on increasing heart rate and cardiac output. Hypotension is a common
manifestation of muscarinic agonist poisoning, and an increase in blood pressure following atropine administration may indicate improvement in cardiovascular function. Therefore, a blood pressure of 90/50 mm Hg may not necessarily indicate effective treatment with atropine.
D. Increased salivation: Muscarinic agonist poisoning typically results in excessive salivation (sialorrhea) due to stimulation of muscarinic receptors in the salivary glands. Atropine administration works by blocking these muscarinic receptors and reducing salivation. Therefore, increased salivation would indicate ongoing muscarinic stimulation and inadequate treatment with atropine.
Correct Answer is C
Explanation
A. An increased heart rate can be a sign of dehydration and would not indicate that IV fluid replacement has been effective.
B. Excessive thirst is a symptom of dehydration and would not indicate that IV fluid replacement has been effective.
C. Moist oral mucous membranes indicate improved hydration status and are a positive response to IV fluid replacement.
D. Decreased blood pressure is a sign of dehydration and would not indicate that IV fluid replacement has been effective.
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