The nurse is preparing to give a drug that will prevent receptor activation. Which term would describe this drug?

Agonist

Antagonist

Potent

Selective

Answer and Explanation

The Correct Answer is B

Choice A reason: Agonists activate receptors, mimicking endogenous ligands, not preventing activation. The drug blocks receptors, so this is incorrect for the described action.

Choice B reason: Antagonists prevent receptor activation by blocking ligand binding, inhibiting effects. This matches the drug’s action, making it the correct term.

Choice C reason: Potent describes a drug’s strength, not its mechanism of preventing receptor activation. Antagonist defines the action, so this is incorrect.

Choice D reason: Selective refers to targeting specific receptors, not preventing activation. Antagonist describes the functional role, so this is incorrect.

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Correct Answer is D

Explanation

Choice A reason: Opioid tolerance does not reduce constipation; it may persist or worsen. Tolerance primarily reduces pain relief, so this is incorrect for the effect.

Choice B reason: Respiratory depression risk may not increase with tolerance, as sensitivity to this effect also diminishes. Analgesia is most affected, so this is incorrect.

Choice C reason: Euphoria typically decreases with tolerance, not increases, as receptor sensitivity drops. Reduced analgesia is the primary effect, so this is incorrect.

Choice D reason: Opioid tolerance leads to decreased analgesic effect, requiring higher doses for pain relief. This is the hallmark of tolerance, making it the correct choice.

A. It indicates that a serious side effect has occurred B. It occurs frequently in patients taking the drug but will subside over time C. It is a common side effect that occurs in all patients taking the drug D. It is an uncomfortable side effect experienced by some patients and will require your medication be changed

Correct Answer is D

Explanation

Choice A reason: Dry cough is a common, not serious, side effect of ACE inhibitors due to bradykinin accumulation. While bothersome, it’s not life-threatening like angioedema. It often necessitates switching to an ARB, but calling it serious overstates the risk, making this choice incorrect.

Choice B reason: Dry cough occurs in 5-20% of ACE inhibitor users but doesn’t typically subside with continued use, as bradykinin accumulation persists. Patients often require a medication change (e.g., to ARBs), making the claim that it will subside over time inaccurate and incorrect.

Choice C reason: Dry cough is common but not universal in ACE inhibitor users, affecting 5-20% of patients due to variable bradykinin sensitivity. Stating it occurs in all patients is inaccurate, as many tolerate ACE inhibitors without cough, making this choice incorrect.

Choice D reason: Dry cough, caused by bradykinin buildup, affects some ACE inhibitor users and is uncomfortable, often requiring a switch to an ARB, which doesn’t affect bradykinin. This accurately reflects the side effect’s impact and management, making it the correct choice for the nurse’s response.

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The nurse is preparing to give a drug that will prevent receptor activation. Which term would describe this drug?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient who has developed opioid tolerance will experience which effect?

Correct Answer is D

Explanation

A patient begins taking an ACE inhibitor and complains of a dry cough. What does the nurse correctly tell the patient about this symptom?

Correct Answer is D

Explanation

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