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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is C
Explanation
Rationale:
A. This option is incorrect because complete elimination of all microorganisms is not typically achievable or desirable, as some microorganisms are beneficial.
B. While this statement is partially correct, it does not fully encompass the definition of selective toxicity, which emphasizes the balance of efficacy and safety.
C. Selective toxicity refers to the ability of an anti-infective to kill or inhibit the growth of microorganisms without causing harm to the host. This principle is fundamental in developing effective antimicrobial agents that target pathogens while minimizing toxicity to human cells.
D. This option implies a focus on targeting specific microorganisms, which is related but not the complete definition of selective toxicity, as it also involves not harming the host.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.