List six common advantages of case control studies.
What will be an ideal response?
1. Best design for studying rare diseases.
2. Can be performed in short period of time.
3. Short performance time is generally less costly.
4. Can be performed with fewer subjects than a cohort study.
5. May have easy access to historical data through existing records.
6. Allows the assessment of multiple independent variables (exposures).
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During reassessment you notice that your patient is making gurgling sounds. Which of the following should you do immediately?
A) Suction the airway. B) Place the patient in the recovery position. C) Increase the amount of oxygen being delivered to the patient. D) Assist ventilations with a bag-valve-mask device.
The pain with an acute myocardial infarction usually is not relieved with nitroglycerin
A) True B) False
Beta particles are actually
a. gamma rays. b. high-speed electrons. c. protons. d. x-rays.
The classic physiologic shunt equation ____.
A. requires only an arterial blood sample B. requires an arterial blood sample and a mixed venous blood sample C. requires only a venous blood sample D. does not require a blood sample