A client is to receive one liter of normal saline intravenously over six hours. The tubing delivers 15 drops per milliliter.
How many drops per minute should a nurse regulate the infusion to deliver?
42.
84.
100.
166.
The Correct Answer is B
To explain why, we need to use the formula for calculating the drip rate in drops per minute (dpm):
Volume of IV fluid (mL) x Drop Factor (drops/mL) / Time to run (h) x 60 (min/h) = Drip Rate (dpm)
In this question, the volume of IV fluid is one liter, which is equivalent to 1000 mL. The drop factor is 15 drops per mL, as given by the tubing.
The time to run is six hours, as ordered by the physician. Plugging these values into the formula, we get:
1000 mL x 15 drops/mL / 6 h x 60 min/h = 84 dpm
Therefore, the nurse should regulate the infusion to deliver 84 drops per minute.
Choice A is wrong because it gives a drip rate of 42 drops per minute, which is half of the correct answer.
This would result in delivering only 500 mL of normal saline in six hours, instead of one liter.
Choice C is wrong because it gives a drip rate of 100 drops per minute, which is more than the correct answer.
This would result in delivering 1.43 liters of normal saline in six hours, instead of one liter.
Choice D is wrong because it gives a drip rate of 166 drops per minute, which is almost double the correct answer.
This would result in delivering 1.99 liters of normal saline in six hours, instead of one liter.
Normal saline is a solution of 0.9% sodium chloride in water, which has the same osmolarity as blood plasma.
It is used to treat dehydration, shock, blood loss, and other conditions that require fluid replacement.
The normal range of sodium in blood is 135-145 mEq/L.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A two-hour postprandial glucose test is done to check your blood sugar level two hours after you eat a meal.
This test helps to diagnose diabetes or monitor its treatment. A normal blood sugar level for this test is less than 140 mg/dL.
Choice A is wrong because fasting means not eating for at least eight hours before the test. This is done for a fasting blood glucose test, not a postprandial one.
Choice B is wrong because before breakfast means before you eat anything in the morning. This is also done for a fasting blood glucose test, not a postprandial one.
Choice D is wrong because before glucose is consumed means before you drink a sugary liquid for a glucose tolerance test. This test measures how your body handles glucose after drinking it, not after eating a meal.
Correct Answer is D
Explanation
“I feel uncomfortable praying with you, but I will find someone who won’t feel that way.” This statement by the nurse would best meet the client’s spiritual needs because it acknowledges the nurse’s own boundaries and feelings while also respecting the client’s request and finding a way to fulfill it.
Some possible explanations for why the other choices are wrong are:
Choice A is wrong because it does not address the client’s request to pray together and it assumes that the client wants a Bible without asking.
Choice B is wrong because it implies that the nurse does not want to pray with the client and that the client’s visitors would be more suitable for this task, which could make the client feel rejected or unsupported.
Choice C is wrong because it directly rejects the client’s request and discloses the nurse’s personal beliefs, which could create a sense of disconnection or conflict between the nurse and the client.
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