The healthcare provider prescribes the anticoagulant heparin for a client with a pulmonary embolism. Before initiating the medication, the nurse should ensure that which drug is readily available in case of heparin overdose?

Warfarin.

Vitamin K.

Protamine sulfate.

Diphenhydramine HCI.

Answer and Explanation

The Correct Answer is C

A. Warfarin: Warfarin is an oral anticoagulant used for long-term anticoagulation, but it is not used for reversing the effects of heparin. They are different classes of anticoagulants with distinct reversal agents.
B. Vitamin K: Vitamin K is used to reverse the effects of warfarin, not heparin.
C. Protamine sulfate: Protamine sulfate is the specific antidote for heparin overdose. It neutralizes the effects of heparin and is used to quickly reverse its anticoagulant effects in case of an overdose or excessive bleeding.
D. Diphenhydramine HCl: Diphenhydramine is an antihistamine and has no role in reversing anticoagulants.

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Correct Answer is A

Explanation

A) Coronary artery disease: It is crucial to assess for a history of coronary artery disease (CAD) before administering sumatriptan, as the medication is a serotonin receptor agonist that can cause vasoconstriction of coronary arteries. This can increase the risk of serious cardiovascular events, such as heart attack or stroke, particularly in clients with preexisting CAD.

B) Seasonal allergic rhinitis: While seasonal allergic rhinitis may be a concern for other medications due to potential allergic reactions or interactions, it is not directly related to the administration of sumatriptan. This condition does not pose a significant risk with the use of sumatriptan.

C) Type 2 diabetes mellitus: Although type 2 diabetes mellitus is an important consideration in the overall health management of a client, it is not the most critical condition to assess before administering sumatriptan. However, if the client has diabetes with associated complications like cardiovascular disease, this would increase concern for using sumatriptan.

D) Irritable bowel syndrome: Irritable bowel syndrome (IBS) is a gastrointestinal disorder that typically does not influence the decision to administer sumatriptan. While IBS may affect a client’s comfort or medication regimen, it does not present the same immediate risks as coronary artery disease when using sumatriptan.

A. Administer both prescribed medications as scheduled. B. Hold the calcium carbonate, but administer the calcitriol as scheduled. C. Hold the calcitriol, but administer the calcium carbonate as scheduled. D. Hold both medications until contacting the healthcare provider.

Correct Answer is D

Explanation

A. Administer both prescribed medications as scheduled: Given that the client's total calcium level is already elevated (14 mg/dL), administering additional calcium carbonate could exacerbate hypercalcemia. Calcitriol, a form of vitamin D, can also increase calcium levels, so administering it without addressing the high calcium level could worsen the condition.
B. Hold the calcium carbonate, but administer the calcitriol as scheduled: This option is not appropriate because calcitriol can further increase calcium levels, potentially worsening hypercalcemia. Both medications should be reviewed, and their administration should be adjusted according to the client's current calcium status.
C. Hold the calcitriol, but administer the calcium carbonate as scheduled: Holding calcitriol alone would not address the potential for further increasing calcium levels. Calcium carbonate should also be withheld since the client is already hypercalcemic.
D. Hold both medications until contacting the healthcare provider: This is the most appropriate action. The client's elevated calcium level indicates hypercalcemia, which requires careful management. The healthcare provider should be contacted to assess the situation and determine the appropriate course of action to avoid worsening hypercalcemia.

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The healthcare provider prescribes the anticoagulant heparin for a client with a pulmonary embolism. Before initiating the medication, the nurse should ensure that which drug is readily available in case of heparin overdose?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Before administering the initial dose of sumatriptan succinate to a client with a migraine headache, it is most important to determine if the client's history includes which problem?

Correct Answer is A

Explanation

Prior to administering oral doses of calcitriol and calcium carbonate to a client with hypoparathyroidism, the nurse notes that the client's total calcium level is 14 mg/dl (3.5 mmol/l) Which action should the nurse implement? Reference Range: Calcium 8.5 to 10.5 mg/dL (2.25 to 2.75 mmol/L)

Correct Answer is D

Explanation

The nurse is administering the angiotensin II receptor antagonist valsartan. Which physiological response causes its therapeutic effect?

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