What is the term for the ratio of the actual water vapor present in a gas compared with the capac-ity of that gas to hold the vapor at a given temperature?
a. Relative humidity
b. Absolute humidity
c. Water vapor pressure
d. Percent body humidity
ANS: A
When a gas is not fully saturated, its water vapor content can be expressed in relative terms using a measure called relative humidity.
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Ideally, the occupational therapy practitioner is positioned relative to the computer screen so that
A) His or her back is to the client, but the screen is facing the client so they both can see it if the client has good visual skills B) He or she is facing the client directly with the screen facing the occupational therapy practitioners C) He or she is at a 45—90 degree angle to the client and both of them can see the screen D) He or she is at a 90—120 degree angle to the client and only the occupational therapy practitioner can see the screen
Which of these vitamins is a fat-soluble vitamin?
A. Vitamin C B. Vitamin E C. Vitamin B1 D. Vitamin B6 E. Vitamin B12