What is the definition of pharmacodynamics?
The study of how drugs are formulated into different dosage forms.
The study of how drugs are absorbed, distributed, metabolized, and eliminated in the body.
The study of how drugs interact with specific drug receptors to produce a physiological response.
The study of how drugs are developed and tested for safety and efficacy
The Correct Answer is C
A. This option refers to pharmaceutical formulation, not pharmacodynamics.
B. This description pertains to pharmacokinetics, which involves drug absorption, distribution, metabolism, and elimination.
C. Pharmacodynamics is defined as the study of how drugs interact with specific drug receptors to produce a physiological response, explaining the effects of drugs on the body.
D. This option relates to drug development and testing rather than the specific interactions of drugs within the body.
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Related Questions
Correct Answer is C
Explanation
A. Inhibition of protein synthesis is the mechanism of action for other classes of antibiotics, such as tetracyclines and macrolides.
B. Inhibition of DNA replication is characteristic of fluoroquinolones.
C. Cephalosporins work by inhibiting cell wall synthesis, leading to bacterial lysis and death. This mechanism is critical for their effectiveness against a wide range of bacterial infections.
D. Inhibition of folic acid synthesis is primarily associated with sulfonamides.
Correct Answer is D
Explanation
A. This option describes drug-drug interactions, which are part of pharmacodynamics rather than pharmacokinetics.
B. The development and manufacturing of drugs pertain more to pharmaceutical sciences than pharmacokinetics.
C. Prescribing and administering drugs are related to pharmacotherapy but do not encompass the full scope of pharmacokinetics.
D. Pharmacokinetics is defined as the study of how drugs are absorbed, distributed, metabolized, and excreted by the body, providing insights into the drug's action and efficacy.
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