QUESTIONS & CORRECT VERIFIED ANSWERS ||
GRADED A+ | 2025 LATEST UPDATE
1. James Lind is known for conducting one of the first clinical trials. He
developed the theory that curbed scurvy on naval ships ANS >>
Citrus Fruits
2. Experimental studies differ from other study designs in that the investigator
is able to manipulate the study factors and randomize the subjects ANS >>
True
3. The process by which allocation of subjects to treatment groups is done by
chance is called ANS >> Randomization
4. The Women's Health Initiative demonstrated that hormone replacement
therapy offers a protective factor to many cancers ANS >> False
5. A study in which neither the participants nor the experimenters know who
1 B/ B
16
,is receiving a particular treatment is called a ANS >> Double Blind Study
6. An experimental study that looks at curative drugs or a new surgical proce-
dure to improve the patient's health is called a ANS >> Therapeutic Trial
7. When study participants change their behavior because they know they are
being studied, this is called the ANS >> Hawthorne Effect
8. If a study is classified based on disease status and there is no randomiza-
tion, this is a ANS >> Case-Control Study
9. If a study is classified based on exposure, risk factor (or protective factor)
status, and no randomization, following the same people over time, this is a
ANS >> Cohort Study
10. If a study is classified based on an exposure and there is random assign-
ment to treatment (exposure) groups, this is a ANS >> Randomized Clinical
Trial
11. Cases of invasive cutaneous melanoma, diagnosed in Minnesota between
2014 and 2017 at ages 25 to 59, were ascertained from a statewide cancer
registry (n=2500); age-matched and gender-matched controls were randomly
selected from state driver's license lists (n=3000). Self-administered question-
naires and telephone interviews included information on ever use of indoor
tanning, types of device used, initiation age, period of use, dose, duration, and
indoor tanning-related burns.
What type of study is this?: Case Control Study
12. Cases of invasive cutaneous melanoma, diagnosed in Minnesota between
2014 and 2017 at ages 25 to 59, were ascertained from a statewide cancer
registry (n=2500); age-matched and gender-matched controls were randomly
selected from state driver's license lists (n=3000). Self-administered question-
naires and telephone interviews included information on ever use of indoor
tanning, types of device used, initiation age, period of use, dose, duration, and
indoor tanning-related burns.
2 B/ B
16
, Imagine the results looked like this:
B B B B B
What measure of risk will you use?: Odds Ratio
B B B B B B B B
3 B/ B
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