A nurse is preparing to administer 4,000 units of heparin subcutaneously to a client who has deep-vein thrombosis. Available is heparin 10,000 units/mL. How many mL of heparin should the nurse administer?

(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.4"]

To answer this question, we need to use the formula for calculating the dosage of medication:

Dose ordered / Dose on hand = Amount to administer

The calculation is: 4,000 units / 10,000 units/mL = 0.4 mL.

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Correct Answer is A

Explanation

Choice A rationale:

Calcium gluconate is used to treat hypermagnesemia by antagonizing the effects of excess magnesium and reducing its impact on cardiac function.

Choice B rationale:

Flumazenil is used to reverse the effects of benzodiazepine overdose, not to treat hypermagnesemia.

Choice C rationale:

Protamine sulfate is used to reverse the effects of heparin, not to treat hypermagnesemia.

Choice D rationale:

Acetylcysteine is used to treat acetaminophen overdose, not to treat hypermagnesemia.

A. Nicotine transdermal system B. Beclomethasone C. Estrogen-progestin combination D. Diphenhydramine

Correct Answer is C

Explanation

Choice A rationale:

Nicotine transdermal system is not known to have a significant interaction with carbamazepine.

Choice B rationale:

Beclomethasone is not known to have a significant interaction with carbamazepine.

Choice C rationale:

Carbamazepine can induce the metabolism of estrogen and progestin, potentially reducing their effectiveness in birth control. Women taking these combinations should use alternative contraceptive methods.

Choice D rationale:

Diphenhydramine is not known to have a significant interaction with carbamazepine.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who has hypermagnesemia. Which of the following medications should the nurse prepare to administer?

Correct Answer is A

Explanation

A nurse is reviewing the list of current medications for a client who is to start a new prescription for carbamazepine. The nurse should identify that which of the following medications interacts with carbamazepine?

Correct Answer is C

Explanation

A nurse is caring for a client who is taking triamterene. For which of the following laboratory values should the nurse withhold the medication?

A nurse is caring for a client who has heart failure. The nurse administered furosemide 60 mg IV bolus 30 min earlier. For which of the following findings should the nurse notify the provider?

A nurse is caring for a client who has breast cancer and reports pain 1 hr after administration of prescribed morphine 10 mg IV. Which of the following medications should the nurse expect to administer?

A nurse is assessing a client who is taking an osmotic laxative. Which of the following findings should the nurse identify as an indication of fluid volume deficit?

A nurse is administering naloxone to a client who has developed an adverse action to morphine. The nurse should identify which of the following findings as a therapeutic effect of naloxone?

A nurse is providing teaching to a client who has a new prescription for paroxetine. The nurse should instruct the client to monitor for which of the following adverse effects?

A nurse is caring for a client who has heart failure. The nurse administered furosemide 60 mg IV bolus 30 min earlier. For which of the following findings should the nurse notify the provider?

A nurse accidently administers the medication metformin instead of metoprolol to a client. Which of the following actions should the nurse take?