,1. What is the primary objective of preclinical studies in scientific
research?
a) To improve marketing strategies
b) To ensure ethical considerations are met
c) To evaluate the safety and efficacy of a treatment
d) To gather data for hypothesis formulation
Answer: c) To evaluate the safety and efficacy of a treatment
Rationale: Preclinical studies are primarily designed to assess
the viability of treatments before human trials.
2. Which regulatory body primarily oversees the approval of new
drugs in the United States?
a) Environmental Protection Agency (EPA)
b) The National Institutes of Health (NIH)
c) Food and Drug Administration (FDA)
d) Centers for Disease Control and Prevention (CDC)
Answer: c) Food and Drug Administration (FDA)
Rationale: The FDA is responsible for regulating drug
approval and ensuring public safety.
, 3. In an in vivo study, which animal model is most commonly
used for cancer research?
a) Mouse
b) Rabbit
c) Guinea pig
d) Dog
Answer: a) Mouse
Rationale: Mice are widely used due to their genetic,
biological, and behavioral similarities to humans.
4. What does the term "pharmacokinetics" refer to in drug
development?
a) The study of drug interactions
b) The effects of drugs on the body
c) The study of how the body affects a drug
d) The chemical structure of the drug
Answer: c) The study of how the body affects a drug
Rationale: Pharmacokinetics involves the absorption,
distribution, metabolism, and excretion of drugs.
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