The nurse prepares to administer promethazine 35 mg intramuscularly prescribed as needed for a client with cholecystitis who has severe nausea. The ampule label reads that the medication is available in 25 mg/mL. How many milliliters should the nurse administer?
Record your answer using one decimal place.
1
1.4
1.5
0.7
The Correct Answer is B
Choice A rationale: this corresponds with 25 mg which is lower than the prescribed amount.
Choice B rationale: To answer this question, we need to use the formula: volume (mL) = dose (mg) / concentration (mg/mL). We plug in the given values: volume (mL) = 35 mg / 25 mg/mL. We simplify the fraction: volume (mL) = 7/5. We convert the fraction to a
decimal: volume (mL) = 1.4. Therefore, the nurse should administer 1.4 mL of promethazine.
Choice C rationale: this corresponds with 37.5 mg which is too high.
Choice D rationale: this corresponds with 17.5 mg which is too low.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale: Dysphagia, substernal burning, and belching are symptoms often associated with hiatal hernia.
Choice B rationale: While substernal burning can be a symptom of stomach-related issues, hiatal hernia is more directly linked to the symptoms described.
Choice C rationale: Schatzki ring might present with dysphagia, but it's less likely given the overall symptoms described.
Choice D rationale: Symptoms of dysphagia and substernal burning can be indicative of a hiatal hernia, especially when considered together.
Correct Answer is D
Explanation
Choice A rationale: This may indicate a different condition such as gastroenteritis rather than Hyperglycemic Hyperosmolar Nonketotic Syndrome (HHNS).
Choice B rationale: This is more indicative of diabetic ketoacidosis (DKA) rather than HHNS.
Choice C rationale: A 72-year-old with a history of diabetes, elevated blood glucose, and complaints of thirst and frequent urination might have uncontrolled diabetes, but the absence of severe hyperglycemia and other symptoms specific to HHNS makes this choice less likely.
Choice D rationale: This fits the criteria for HHNS. The infection, missed medication, and extremely high blood glucose levels suggest the possibility of Hyperglycemic Hyperosmolar Nonketotic Syndrome.
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