All of the following are chemical barriers involved in immunity EXCEPT
A. stomach acid.
B. bile.
C. saliva.
D. the skin.
Answer: D
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Carrie is a 45-year-old woman. She has been working on reducing her body fat and has lost a considerable amount. Identify the correct body fat percentage for her to maintain a moderate body composition.
A. Less than 20 percent B. 20.1 to 35.0 percent C. 25.1 to 30.0 percent D. Less than 12 percent E. More than 35 percent
Which of the following effects of smoking can increase the risk for heart disease?
A. Increased blood HDL levels B. Decreased blood thickness C. Increased platelet clotting time D. Increased platelet survival E. Increased platelet adhesiveness
________ plane divides the body into anterior and posterior positions.
A. Frontal B. Lateral C. Midsagittal D. Transverse
Progressive relaxation has been shown to effectively treat chronic headaches.
Answer the following statement true (T) or false (F)