A phonocardiogram is used to detect which of the following heart sounds?
a. S1 and S2 c. S3 and S4
b. S2 and S3 d. S1 and S4
ANS: C
S3 and S4 are not typically heard with a stethoscope, but these sounds can be amplified and rec-orded graphically with a phonocardiogram.
Health Professions
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Hydrant discharge outlets are considered standard if they have at least one large outlet often referred to as the pumper outlet nozzle or ____ connection.
A. primary B. secondary C. steamer D. standardized
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