A nurse is preparing to administer lorazepam 0.05 mg/kg IM 2 hr prior to surgery to a client who weighs 138 lb. If the available lorazepam injection is 2 mg/mL, how many mL should the nurse administer? .
The Correct Answer is ["1.57 "]
Step 1: Calculate the dose of lorazepam. The doctor ordered 0.05 mg/kg, so 0.05 mg/kg × 62.73 kg (138 lb ÷ 2.2 lb/kg) = 3.14 mg.
Step 2: Calculate the volume of lorazepam injection to administer. The available lorazepam injection is 2 mg/mL, so 3.14 mg ÷ 2 mg/mL = 1.57 mL. The nurse should administer 1.57 mL of lorazepam injection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["58.06 "]
Explanation
The client’s weight is 58.06 kg. Here’s the calculation: Step 1: The client’s weight is 128 lb. Step 2: 1 lb is equivalent to 0.453592 kg.
Step 3: So, the client’s weight in kg is 128 lb × 0.453592 kg/lb = 58.06 kg.
Correct Answer is C
Explanation
Choice A rationale
A vegetarian diet with cheese 2 to 3 times a day does not significantly increase the risk of kidney stones. While dairy products do contain calcium, which can contribute to stone formation, they also contain other compounds that help prevent stones. Furthermore, a vegetarian diet is typically high in fiber, which can also help prevent stone formation.
Choice B rationale
Jogging more frequently than usual daily routine does not increase the risk of kidney stones. In fact, regular exercise can help prevent kidney stones by keeping the urinary tract healthy and promoting regular urination.
Choice C rationale
Drinking several bottles of carbonated water daily can increase the risk of kidney stones. Carbonated water contains phosphoric acid, which can increase the acidity of the urine. This can promote the formation of kidney stones, especially in individuals who are already at risk.
Choice D rationale
Experiencing additional stress since adopting a child does not directly increase the risk of kidney stones. While stress can have many negative effects on health, there is no direct link between stress and kidney stone formation.
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