A nurse is preparing to administer a medication that acts as an agonist at a specific receptor. What effect will this medication have?

It will increase the activity of the receptor.

It will decrease the activity of the receptor.

It will have no effect on the activity of the receptor.

It will block the activity of the receptor.

Answer and Explanation

The Correct Answer is A

An agonist is a medication that binds to a specific receptor and activates it, increasing its activity. A medication that acts as an agonist at a specific receptor will increase the activity of that receptor.

b. An agonist increases, not decreases, the activity of the receptor it binds to.

c. An agonist has an effect on the activity of the receptor it binds to by increasing its activity.

d. An agonist activates, not blocks, the activity of the receptor it binds to.

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Correct Answer is A

Explanation

Synergistic effects occur when two drugs produce similar or complementary effects and their combined effect is greater than the sum of their individual effects.When administering two drugs with synergistic effects,the nurse should consider their combined effect and adjust dosing accordingly.

b.Synergistic effects occur when two drugs produce similar or complementary effects and their combined effect is greater than the sum of their individual effects

c.Synergistic effects occur when two drugs produce similar or complementary effects and their combined effect is greater than the sum of their individual effects

d.Synergistic effects affect pharmacodynamics by determining how two drugs interact when given together

A. The medication will bind strongly to its target receptor. B. The medication will bind weakly to its target receptor. C. The medication will have a high efficacy at its target receptor. D. The medication will have a low efficacy at its target receptor.

Correct Answer is A

Explanation

Affinity refers to the strength of binding between a medication and its target receptor. A medication with a high affinity for its target receptor will bind strongly to that receptor.

b. A medication with a high affinity for its target receptor will bind strongly, not weakly, to that receptor.

c. Affinity refers to binding strength and does not directly determine efficacy, which refers to the ability of a medication to produce a therapeutic effect once bound to its target receptor.

d. Affinity refers to binding strength and does not directly determine efficacy, which refers to the ability of a medication to produce a therapeutic effect once bound to its target receptor.

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A nurse is preparing to administer a medication that acts as an agonist at a specific receptor. What effect will this medication have?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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