A nurse is receiving a telephone prescription for a client and documents it as metformin 500 mg PO BID. Which of the following elements should the nurse identify is missing from the prescription?

Dosage

Route

Medication

Time/frequency

Answer and Explanation

The Correct Answer is C

Choice A reason: This is incorrect because the dosage is given in the prescription as 500 mg, which indicates the amount of the drug to be administered.

Choice B reason: This is incorrect because the route is given in the prescription as PO, which stands for per os or by mouth, which indicates how the drug is to be administered.

Choice C reason: This is correct because the medication is not given in the prescription, which is the name of the drug to be administered. The nurse should ask the provider to clarify the medication name and spell it out if necessary.

Choice D reason: This is incorrect because the time/frequency is given in the prescription as BID, which stands for bis in die or twice a day, which indicates when and how often the drug is to be administered.

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Correct Answer is D

Explanation

Choice A reason: 0.2 tablets is not the correct answer. To convert mg to mcg, multiply by 1000. Therefore, 0.175 mg is equal to 175 mcg. To find the number of tablets, divide the dose by the amount available. Therefore, 175 mcg / 8 mcg = 21.875 tablets. Round this to the nearest whole number, which is 22 tablets.

Choice B reason: 2 tablets is not the correct answer. This is the result of dividing the dose by 100 instead of 1000, which is incorrect.

Choice C reason: 20 tablets is not the correct answer. This is the result of rounding down instead of up, which is incorrect.

Choice D reason: 22 tablets is the correct answer. This is the result of converting the dose to mcg, dividing by the amount available, and rounding to the nearest whole number.

A. Insulin is never given intravenously. B. Only regular insulin can be administered intravenously. C. Insulin aspart or insulin lispro can be administered intravenously, but there must be a 50% dose reduction. D. Any form of insulin can be administered intravenously at the same dose as that ordered for subcutaneous administration.

Correct Answer is B

Explanation

Choice A reason: This is incorrect because insulin can be given intravenously in certain situations, such as diabetic ketoacidosis, hyperglycemic hyperosmolar state, or perioperative care.

Choice B reason: This is correct because regular insulin is the only type of insulin that can be administered intravenously, as it is a short-acting insulin that has a rapid onset and peak. Other types of insulin, such as intermediate-acting or long-acting, are not suitable for intravenous use, as they have a delayed onset and peak and may cause hypoglycemia.

Choice C reason: This is incorrect because insulin aspart and insulin lispro are rapid-acting insulins that have a faster onset and peak than regular insulin. They are not recommended for intravenous use, as they may cause severe hypoglycemia. They are usually given subcutaneously before meals to control postprandial blood glucose levels.

Choice D reason: This is incorrect because not all forms of insulin can be administered intravenously, as explained above. Only regular insulin can be given intravenously, and the dose may differ from the subcutaneous dose depending on the patient's blood glucose level and insulin sensitivity.

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A nurse is receiving a telephone prescription for a client and documents it as metformin 500 mg PO BID. Which of the following elements should the nurse identify is missing from the prescription?

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer levothyroxine 0.175 mg PO once a day. The amount available is levothyroxine 8 mcg/tablet. How many tablets should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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