How are proteins used in the body?
A. As stored energy
B. As an insulator to preserve body heat
C. As the major source of calories to provide energy for work
D. To build and repair tissues
E. To carry vitamins A, D, E, and K
Answer: D
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cyanosis : Symptom of a blue tinge in the skin and mucous membranes that is caused by oxygen ________ in tissues.
Fill in the missing word in the definition for the key term.
Which statement about nicotine and addiction is true?
A. Some researchers believe nicotine is the more physically addictive than cocaine and heroin. B. Young people who start smoking become addicted, but people who start smoking as adults do not. C. Nicotine is psychologically addictive, but evidence shows that it is not physically addictive. D. The most common physical reaction to nicotine at low doses is a sedative effect.
Which of the following is a cognitive effect of stress??
A) ?sweating B) ?stuttering C) ?ruminating D) ?smoking E) ?feeling guilty
Which emotional reaction to a mass casualty incident involves a "don't care" attitude?
A) normal B) panic C) overactive D) underactive