The ____ study is the only observational design that truly measures incidence of the outcome and by definition is the only observational design that allows the determination of risk.

A. cohort
B. case control
C. ecological
D. cross sectional


Answer: A

Health Professions

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Fixed extinguishing system applications entail firefighters using their engine apparatus and hose to supply heat-encapsulating agent to a sprinkler system via its _______________

a. fire department connection (FDC) b. large diameter hose c. educator d. dry-pipe valve

Health Professions

The Islamic culture considers the casual touch of a member of the opposite sex to be an appropriate behavior.

Answer the following statement true (T) or false (F)

Health Professions

In which phase of clinical trial testing is the medication compared to other medications on the market?

A) Phase I trials B) Phase III trials C) Phase IV trials D) Phase II trials

Health Professions

NIV can be used successfully in neonates for which of the following?

a. Severe ventilatory impairment b. Persistent apnea c. After extubation d. Cleft palate

Health Professions