Which of the following statements defines an index?
A) Numerical expression of values used to describe a condition
B) Rate of old and new cases occurring within a year
C) Number of individuals in a population presenting with the disease
D) Number of diseased teeth or sites per individual
E) Number of risk indicators present in an individual
A
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Which of the following foam generators produces foam by pumping foam solution through the nozzle in a fine spray?
A. Fog nozzle B. Air-aspirating type nozzle C. Water-aspirating type nozzle D. Mechanical blower generator
While auscultating the chest, you hear sounds that sound like the initial "fizzing" sounds after a can of soda is opened. This is indicative of:
A) normal lung sounds. B) atelectasis. C) a hypoinflated lung. D) crackles.
Shock patients who are not having difficulty breathing are placed head downhill because doing so:
a. increases perfusion to vital organs. b. increases the heart rate. c. increases blood pressure. d. decreases blood pressure.
Sialoliths are associated with which of the following?
a. Pain b. Duct obstruction c. Secondary gland infection d. Mucous retention e. All the above