What is a cohort study?
a. Comparing the clinical outcomes from two different groups
b. Single patient study
c. A literature-based review
d. Collection of patients with similar clinical situations
ANS: A
Cohort studies, which compare the clinical outcomes in two compared groups (or cohorts), gen-erally have greater scientific rigor than case studies or case series and consist of two broad types of study designs: observational cohort studies and randomized controlled trials.
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Myocardial ischemia is caused by an imbalance of:
A) oxygen supply and demand. B) oxygen bioavailability. C) free radical oxygen. D) sodium bicarbonate.
When physicians use drugs to locate a disease process in the body, this is referred to as:
A) curative use B) diagnostic use C) prophylactic use D) therapeutic use
One of Stan's duties is to check the laboratory equipment and machines each morning when he arrives at the office. This morning, when he checked the temperature in the laboratory refrigerator, he discovered that the temperature was 62°F. What should Stan do?
A. Turn down the setting so the refrigerator will get colder B. Move the specimens to the food refrigerator so they won't be affected C. Call the repair company to fix the refrigerator D. Record the current temperature and continue with his morning duties E. Notify all lab personnel that specimens in the refrigerator may be compromised
The _____ is the area of the cloaca in which the rectum opens
Fill in the blank(s) with correct word