A nurse is caring for a client who has a new prescription for warfarin.Which of the following is a therapeutic use of this medication?

This medication prevents venous thrombosis.

This medication prevents angina pectoris.

This medication is to treat bradycardia.

This medication is to treat hypertension.

Answer and Explanation

The Correct Answer is A

Choice A rationale

Warfarin is an anticoagulant that is used to prevent venous thrombosis and thromboembolic events by inhibiting the synthesis of vitamin K-dependent clotting factors.

Choice B rationale

Warfarin is not used to prevent angina pectoris, which is typically managed with nitrates, beta-blockers, or calcium channel blockers.

Choice C rationale

Warfarin is not used to treat bradycardia, which is usually managed with medications like atropine or pacemaker implantation.

Choice D rationale

Warfarin is not used to treat hypertension. Antihypertensive medications such as ACE inhibitors, beta-blockers, or diuretics are used for this purpose.

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Correct Answer is D

Explanation

Choice A rationale

Tumor enhancer genes are not typically a recognized category in cancer genetics. Proto-oncogenes and DNA repair genes are relevant to cancer development.

Choice B rationale

This choice is incorrect as there are genes like proto-oncogenes, tumor suppressor genes, and DNA repair genes that play roles in cancer.

Choice C rationale

This choice is partially correct but incomplete without including DNA repair genes, which are also crucial in cancer prevention.

Choice D rationale

This choice is correct as proto-oncogenes can become oncogenes, tumor suppressor genes prevent uncontrolled cell growth, and DNA repair genes fix DNA mutations that can lead to cancer.

A. Hyperthyroidism. B. Hyperglycemia. C. Hypoglycemia. D. Hypothyroidism.

Correct Answer is A

Explanation

Choice A rationale

Propylthiouracil (PTU) is used to treat hyperthyroidism. It works by inhibiting the production of thyroid hormones, thereby reducing symptoms of hyperthyroidism such as rapid heart rate, sweating, and nervousness.

Choice B rationale

Propylthiouracil (PTU) is not used to treat hyperglycemia. Medications for hyperglycemia include insulin and oral hypoglycemic agents.

Choice C rationale

Propylthiouracil (PTU) is not indicated for hypoglycemia. Treatment for hypoglycemia typically includes glucose administration or glucagon.

Choice D rationale

Propylthiouracil (PTU) is not used to treat hypothyroidism. Hypothyroidism is treated with thyroid hormone replacement therapy, such as levothyroxine.

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A nurse is caring for a client who has a new prescription for warfarin.Which of the following is a therapeutic use of this medication?

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A nurse is caring for a client who is newly diagnosed with cervical cancer.What type of genes can cause cancer?

Correct Answer is D

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