Which term means the point at which a medication has the optimal desired effect?

Therapeutic level

therapeutic index

Toxic level

Therapeutic range

Answer and Explanation

The Correct Answer is A

A. Therapeutic level: This is the correct answer. It refers to the concentration of a drug in the bloodstream at which it achieves the desired effect without causing toxicity.

B. Therapeutic index: This is a ratio that compares the toxic dose to the therapeutic dose of a drug. It does not refer to the point of optimal effect.

C. Toxic level: This refers to the concentration of a drug at which it becomes harmful or toxic. It is not associated with the desired effect.

D. Therapeutic range: This refers to the range between the minimum effective concentration and the toxic concentration of a drug. It does not pinpoint the optimal effect but indicates the safe range.

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Correct Answer is A

Explanation

A. Barium sulfate is used as a contrast agent in radiographic diagnostic testing, particularly for imaging the gastrointestinal tract.

B. Penicillin (PCN) is an antibiotic used to treat infections, not for diagnostic purposes.

C. Estrogen is a hormone used in hormone replacement therapy and other treatments, not for diagnostic testing.

D. Naloxone is used to reverse opioid overdose, not for diagnostic testing.

A. blocking agents B. palliative care medications C. diagnostic medications D. synergistic medications.

Correct Answer is A

Explanation

A. Blocking agents: Antagonist medications block the action of other substances, typically by binding to receptors without activating them, thus preventing other substances from binding.

B. Palliative care medications: These medications are used to relieve symptoms in patients with serious illnesses but do not describe how antagonist medications work.

C. Diagnostic medications: These are used in diagnostic tests and procedures but do not describe the action of antagonists.

D. Synergistic medications: Synergistic medications enhance the effects of each other when used together. This is the opposite of what antagonists do, as antagonists typically inhibit effects.

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Which term means the point at which a medication has the optimal desired effect?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

.Antagonist medications typically are considered?

Correct Answer is A

Explanation

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