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

The combined effect is greater than either drug alone

The combined effect is less than either drug alone

The combined effect is equal to sum of individual effects

Antagonistic effects do not affect pharmacodynamics

Answer and Explanation

The Correct Answer is B

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.

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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.

A. The combined effect is greater than either drug alone B. The combined effect is less than either drug alone C. The combined effect is equal to sum of individual effects D. Additive effects do not affect pharmacodynamics

Correct Answer is C

Explanation

Additive effects occur when two drugs produce similar effects and their combined effect is equal to sum of their individual effects.When administering two drugs with additive effects,the nurse should consider their combined effect and adjust dosing accordingly.

a.Additive effects occur when two drugs produce similar effects and their combined effect is equal to sum of their individual effects

b.Additive effects occur when two drugs produce similar effects and their combined effect is equal to sum of their individual effects

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

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer a medication that has a high affinity for its target receptor. What does this mean?

Correct Answer is A

Explanation

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

Correct Answer is C

Explanation

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