18. A nurse is preparing to administer levothyroxine 100 mcg PO to a client who has hypothyroidism. Available is levothyroxine 50 mcg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["2"]

To administer the correct dose of levothyroxine, which is 100 mcg, the nurse would need to give two tablets of the 50 mcg levothyroxine. This is because two tablets of 50 mcg each will sum up to the total prescribed dose of 100 mcg.

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Correct Answer is B

Explanation

A. Atropine is not used as an antidote for warfarin overdose. It is primarily used to treat bradycardia and certain types of heart block.
B. Vitamin K is the antidote for warfarin overdose. Warfarin inhibits vitamin K-dependent clotting factors, and vitamin K helps reverse its effects by promoting clotting factor synthesis in the liver.
C. Protamine is used as an antidote for heparin, not warfarin. It binds to heparin to neutralize its anticoagulant effects.
D. Epinephrine is not used as an antidote for warfarin overdose. It is primarily used in emergencies such as severe allergic reactions (anaphylaxis) or cardiac arrest.

A. Aspirate the injection after inserting the needle. B. Inject the insulin 2.5 cm (1 in) from the client's naval. C. Administer the insulin into a muscle. D. Gently roll the insulin vial to mix.

Correct Answer is D

Explanation

A. Aspiration is not necessary for subcutaneous insulin injections and is not recommended as it may cause unnecessary trauma.
B. Insulin injections should be administered subcutaneously, typically in the abdomen, but not specifically 2.5 cm from the navel.
C. Insulin injections are not administered into muscle but into the subcutaneous tissue.
D. NPH insulin should be gently rolled between the palms to mix evenly before administration to ensure the suspension is well-mixed.

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18. A nurse is preparing to administer levothyroxine 100 mcg PO to a client who has hypothyroidism. Available is levothyroxine 50 mcg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is receiving warfarin therapy to prevent a deep vein thrombosis. Which of the following medications should the nurse have available in the event of an overdose?

Correct Answer is B

Explanation

A nurse is preparing to administer NPH insulin to a client. Which of the following actions should the nurse take?

Correct Answer is D

Explanation

A nurse is caring for a client who is taking levothyroxine for hypothyroidism. Which of the following indicates the client's dose is too high?

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