When using a centrifugal pump to supply a hose line and the nozzle is shut off quickly, the pressure wave travels back and ends at the ___
A. Handline
B. Hydrant
C. Pumper
D. Water main
Answer: D. Water main
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Massage has been shown to ________ the number of red blood cells in circulation
A) increase B) decrease C) stabilize D) deactivate
Homeopathy remains a ________treatment that has not been substantiated by scientific research
Fill in the blank(s) with correct word
Changes in the feelings a child experiences during a particular period of growth and development are ____.
A. psycho-emotional development B. social development C. intellectual-cognitive development D. athletic development E. physical development
The Internet is a good source of reliable information to help health care professionals keep up to date
a. True b. False Indicate whether the statement is true or false