A group of nurses are discussing the difference of an agonist verses an antagonist. Which of the following medications may the nurse select as an agonist?

Medications that limit the receptor activity

Medications that block the receptor activity

Medications that change the receptor activity

Medications that activate the receptor activity and are synergistic

Answer and Explanation

The Correct Answer is D

A. Medications that limit the receptor activity: This describes an antagonist, which reduces or limits receptor activity.

B. Medications that block the receptor activity: This also describes an antagonist, which prevents receptor activation.

C. Medications that change the receptor activity: This statement is vague and does not clearly define an agonist.

D. Medications that activate the receptor activity and are synergistic: An agonist binds to a receptor and stimulates a response, often enhancing normal physiological functions.

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Correct Answer is B

Explanation

A. Baked chicken: Safe if properly cooked, as heat kills bacteria.

B. Fresh fruit basket: A WBC count of 2,200/mm³ indicates neutropenia, increasing the risk of infections. Fresh fruits (unless thoroughly washed or peeled) may contain bacteria or fungi, posing an infection risk.

C. A factory-sealed box of chocolates: Sealed items reduce the risk of contamination.

D. Bagels: Processed and baked, so unlikely to carry harmful bacteria.

A. “Most allergic responses include hives or a rash." B. “Common allergic reactions made fever and diarrhea.” C. “You might feel cold and sweaty of you are having an allergic reaction.” D. “Nausea and vomiting usually mean you are allergic to the medication.”

Correct Answer is A

Explanation

A. "Most allergic responses include hives or a rash.": Allergic reactions often present with hives (urticaria), rash, itching, and sometimes anaphylaxis. Severe reactions can cause airway swelling, difficulty breathing, and hypotension.

B. "Common allergic reactions may include fever and diarrhea." Fever and diarrhea are more typical of infections, not allergic reactions.

C. "You might feel cold and sweaty if you are having an allergic reaction." Cold, clammy skin may indicate shock, but it is not specific to allergies.

D. "Nausea and vomiting usually mean you are allergic to the medication." GI symptoms may indicate intolerance but not necessarily an allergy.

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A group of nurses are discussing the difference of an agonist verses an antagonist. Which of the following medications may the nurse select as an agonist?

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