Lowering your weight and body fat levels to within recommended ranges will reduce your risk of lower-back pain
Indicate whether the statement is true or false
TRUE
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The body has specific receptors that respond to stimulation of chemicals called neurotransmitters. What are these receptors called?
a. Alpha- and beta-receptors b. Alpha- and gamma-receptors c. Alpha- and omega-receptors d. Beta- and gamma-receptors FEEDBACK: a. Alpha- and beta-receptors are neurotransmitters. b. These receptors are not called alpha- and gamma-receptors. . c. These receptors are not called alpha- and omega-receptors. . d. These receptors are not called beta- and gamma-receptors. .
All of the following are reasons homemade equipment is not advocated EXCEPT:
a. constructed equipment is usually second rate. b. the company that builds equipment assumes liability if it is not constructed properly. c. unskilled students need quality equipment to learn. d. it is fairly cost-effective.
According to the occupational stress model, which of the following sources of stress at work is intrinsic to the job?
A. Office politics B. Restrictions on behavior C. Poor physical working conditions D. All of these
Match the combining form cost(o) with its closest definition.
A. Knuckle B. Fingers C. Cartilage D. Rib