A client has poor blood circulation. The nurse is concerned about which process of pharmacokinetics?

Distribution

Excretion

Metabolism

Absorption

Answer and Explanation

The Correct Answer is A

A. Distribution: Distribution refers to the movement of the drug from the bloodstream to tissues and organs. Poor circulation can impair drug distribution, leading to reduced effectiveness or toxic accumulation.

B. Excretion: Excretion is the elimination of drugs, primarily through the kidneys. While circulation plays a role, excretion is more directly affected by renal function.

C. Metabolism: Metabolism occurs primarily in the liver and is not the primary concern in a client with poor circulation.

D. Absorption: Absorption refers to how the drug enters the bloodstream, which is more dependent on the GI tract (oral meds) or injection site (IV, IM meds) rather than circulation.

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Correct Answer is A

Explanation

A. 0.2 mg: The correct way to write decimal doses is with a leading zero (0.2) to prevent misinterpretation.

B. 0.20 mg: Trailing zeros (0.20) should be avoided because they increase the risk of dosing errors (e.g., misread as "20 mg").

C. 12 mg: Not equivalent to 0.2 mg; incorrect dose.

D. 2.0 mg: Not equivalent to 0.2 mg, and trailing zeros should be avoided.

A. Fatigue B. Vaginal discharge C. Urinary frequency D. Erectile dysfunction

Correct Answer is D

Explanation

A. Fatigue: While a side effect, it is less likely to cause medication discontinuation.

B. Vaginal discharge: Uncommon reason for stopping medication, unless severe (e.g., antifungal reactions).

C. Urinary frequency: More manageable and less likely to cause nonadherence compared to ED.

D. Erectile Dysfunction: Sexual side effects, such as erectile dysfunction (ED), are a leading cause of medication nonadherence, particularly with antihypertensives (e.g., beta-blockers, diuretics) and antidepressants (e.g., SSRIs, SNRIs).

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A client has poor blood circulation. The nurse is concerned about which process of pharmacokinetics?

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Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is D

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A client has poor blood circulation. The nurse is concerned about which process of pharmacokinetics?

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