A nurse is assisting with teaching a class about pharmacodynamics. The nurse should include that which of the following medication levels occurs when a medication is at the lowest serum concentration?

Half-life

Peak

Trough

Тохіс

Answer and Explanation

The Correct Answer is C

A. Half-life refers to the time it takes for the concentration of the medication in the bloodstream to decrease by half, not the lowest serum concentration.
B. Peak refers to the highest concentration of the medication in the bloodstream after administration.
C. Trough is the lowest concentration of medication in the bloodstream, typically measured just before the next dose is due to ensure adequate drug levels.
D. Toxic level refers to a concentration at which the medication may cause adverse effects, not the lowest serum concentration.

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Correct Answer is C

Explanation

Intramuscular administration provides relatively quick absorption but is slower than intravenous.
B. Enteral (oral) administration has the slowest absorption rate due to the process of digestion and first-pass metabolism in the liver.
C. Intravenous administration delivers the medication directly into the bloodstream, resulting in the fastest absorption and onset of action.
D. Topical administration is typically used for localized treatment and has a slower absorption rate compared to intravenous.

A. Breath sounds at 1600 B. Temperature C. Urticaria D. Blood pressure at 1630 E. Report of dysphagia

Correct Answer is ["C","D","E"]

Explanation

A. Bilateral breath sounds clear and present throughout at 1600 are normal findings and do not require immediate follow-up.
B. The temperature at both 1600 (37.6°C) and 1630 (37.5°C) is slightly elevated but not critically high. It does not require immediate follow-up unless it worsens significantly or is accompanied by other concerning symptoms.
C. Urticaria (hives) over the chest and trunk, along with itching and difficulty swallowing (dysphagia), are signs of an allergic reaction, which requires immediate follow-up and assessment.
D. The blood pressure decreased to 78/52 mm Hg at 1630 from 110/58 mm Hg at 1600. This significant drop indicates hypotension and requires immediate follow-up.
E. Difficulty swallowing (dysphagia) reported by the client suggests a potential airway compromise and requires immediate follow-up to assess the severity and intervene accordingly.

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A nurse is assisting with teaching a class about pharmacodynamics. The nurse should include that which of the following medication levels occurs when a medication is at the lowest serum concentration?

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Naxlex Comprehensive Predictor Exams

A nurse is assisting with teaching a class about routes of medication administration. The nurse should include that which of the following routes has the fastest rate of absorption?

Correct Answer is C

Explanation

A nurse is assisting with the care of a client Exhibits Select the 3 findings that require immediate follow-up.

Correct Answer is ["C","D","E"]

Explanation

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