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
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Because of the extra equipment now placed on ambulances for specialty rescue, advanced life support, and hazardous materials operations, their gross vehicle weight has been easily exceeded in some communities. This has necessitated introduction of a ________ truck chassis built for rugged durability and large storage and work areas
A) Type II B) Medium-duty C) Type III D) Type I
Asking a patient, "Can you rate your pain on a 1–10 scale?" represents what part of the OPQRST question format?
A) S B) T C) R D) Q
Which of the following equations best describes O2 delivery to the tissues?
a. Arterial O2 content ÷ cardiac output b. Arterial O2 content ? cardiac output c. Cardiac output + arterial O2 content d. Cardiac output ? vascular resistance
A health insurance company that reimburses for medical care in all or in part is known as a:
A. designated provider. B. health plan. C. claim adjudication. D. health clearinghouse.