What is critical concentration in relation to medication therapeutic effects?
The concentration of a medication in the blood that is necessary for the medication to be absorbed into the body.
The minimum concentration of a medication in the blood needed to achieve the desired therapeutic effect
The maximum concentration of a medication in the blood that can be safely tolerated without adverse effects.
The concentration of a medication in the blood that is considered optimal for achieving the desired therapeutic effect.
The Correct Answer is B
A. This option misrepresents critical concentration; it focuses on absorption rather than therapeutic efficacy.
B. The critical concentration refers to the minimum concentration of a medication in the blood needed to achieve the desired therapeutic effect. This concentration is essential to ensure that the medication is effective in treating the condition.
C. While the maximum concentration can relate to safety, critical concentration specifically concerns the minimum required for effectiveness.
D. This choice suggests an optimal concentration, which is different from the minimum concentration needed to achieve therapeutic effects.
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Related Questions
Correct Answer is D
Explanation
A. This option does not accurately describe resistance; it focuses on healthcare provider actions rather than microorganism behavior.
B. This statement addresses the immune response rather than drug resistance, which is a pharmacological concept.
C. This option incorrectly implies that drug efficacy equates to resistance; drug effectiveness is hindered by the presence of resistant microorganisms.
D. Resistance to anti-infectives refers to the ability of microorganisms to survive and multiply in the presence of drugs that are designed to inhibit their growth or kill them, posing significant challenges in treating infections.
Correct Answer is C
Explanation
A. Rash is generally a mild adverse effect and does not indicate a severe reaction.
B. Nausea and vomiting are common side effects but not classified as severe reactions.
C. Ototoxicity is a severe adverse reaction associated with aminoglycoside therapy, potentially leading to hearing loss and balance issues. Monitoring for this side effect is crucial during treatment.
D. Headache can occur but is not considered a severe adverse reaction compared to ototoxicity.
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