A nurse is preparing to administer a medication that has high intrinsic efficacy.What does this mean?

The medication produces maximal response when bound

The medication produces minimal response when bound

The medication produces moderate response when bound

The intrinsic efficacy does not affect pharmacodynamics

Answer and Explanation

The Correct Answer is A

Intrinsic efficacy refers to how well a drug activates receptors once bound.A drug with high intrinsic efficacy produces maximal response when bound and can activate receptors fully.

b.A drug with high intrinsic efficacy produces maximal response when bound and can activate receptors fully

c.A drug with high intrinsic efficacy produces maximal response when bound and can activate receptors fully

d.Intrinsic efficacy affects pharmacodynamics by determining how well a drug activates receptors once bound

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Correct Answer is B

Explanation

Antagonistic effects occur when two drugs produce opposing effects and their combined effect is less than the sum of their individual effects.When administering two drugs with antagonistic effects,the nurse should consider their combined effect and adjust dosing accordingly.

a.Antagonistic effects occur when two drugs produce opposing effects and their combined effect is less than the sum of their individual effects.

c.Antagonistic effects occur when two drugs produce opposing effects and their combined effect is less than the sum of their individual effects.

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

A. The medication increases receptor activity above basal levels B. The medication decreases receptor activity below basal levels C. The medication has no effect on receptor activity D. Inverse agonism does not affect pharmacodynamics

Correct Answer is B

Explanation

An inverse agonist is a medication that binds to a specific receptor and decreases its activity below basal levels.Inverse agonists can inhibit constitutive activity of receptors,producing an effect opposite to that of agonists.

a.An inverse agonist decreases,not increases,receptor activity below basal levels.

c.An inverse agonist decreases receptor activity below basal levels,not having no effect on receptor activity.

d.Inverse agonism affects pharmacodynamics by decreasing receptor activity below basal levels.

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A nurse is preparing to administer a medication that has high intrinsic efficacy.What does this mean?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer two medications with antagonistic effects.What should be considered when administering these drugs?

Correct Answer is B

Explanation

A nurse is preparing to administer a medication that acts as an inverse agonist.What does this mean?

Correct Answer is B

Explanation

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