Post-exam PHA491
Quiz
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Health Sciences
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University
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Practice Problem
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Hard
Thaniya Wunnakup
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The optimum dose for the therapy is determined in which phase of the clinical trial?
Phase 3
Phase 2
Phase 1
Phase 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cohort study is an observational study ?
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In case-control study, the cases are:
Individual with the exposure of interest
Individual without the disease
Individual with the disease
Individual from the general population
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the main difference between a prospective cohort study and a case-control study?
A prospective cohort study is an observational study, while a case-control study is an experimental study.
A prospective cohort study measure outcome before exposure, while a case-control study measure exposure before outcome.
A prospective cohort study measure exposure before outcome , while a case-control study measure outcome before exposure.
A prospective cohort study is longitudinal study, while a case-control study is a cross-sectional study.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a cross-over type of study design, participants:
Are divided into more than two groups
Stay in the same group throughout the study
Are never exposed to a placebo
Experience both active treatment and placebo at different times
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