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 B
Explanation
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.
Correct Answer is ["B","C","E"]
Explanation
A. Screening for high blood pressure is an example of secondary prevention, aimed at early detection.
B. Physical therapy for stroke patients is an example of tertiary prophylaxis as it helps restore function and prevent further complications after a stroke.
C. Management of chronic pain in arthritis is also tertiary prevention as it focuses on managing symptoms and improving quality of life after the onset of a chronic condition.
D. Vaccination for hepatitis B is an example of primary prevention, aimed at preventing the onset of disease.
E. Cardiac rehabilitation after a myocardial infarction is aimed at recovery and preventing further cardiac events, fitting into the category of tertiary prevention.
F. Hand hygiene promotion is also a form of primary prevention to reduce infection risk.
G. Routine mammograms are examples of secondary prevention, aimed at early detection.
H. Healthy diet counseling is an example of primary prevention, aimed at preventing the onset of disease.
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