The portion of a tooth that is located below the gum line is the:
A) dentin.
B) crown.
C) enamel.
D) root.
D) root.
The portion of the tooth below the gum line is the root. Dentin is the substance that
makes up the bulk of the tooth. The crown is the part of the tooth above the gum line. Enamel is
the substance covering the crown.
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Answer the following statements true (T) or false (F)
1. One of the most important factors influencing health behavior change is commitment to change. 2. In assessing your health risks, it is important to ignore any emotional reaction you may experience. 3. Scientists typically consider the results of a single study to be conclusive and definitive. 4. The terms disease prevention and health promotion mean the same thing. 5. The slogan “a society in which all people live long, healthy lives” accurately expresses the general goals of Healthy People 2020.
Compared with physically active individuals, sedentary individuals have ________.
A. three times the risk for coronary heart disease B. five times the risk for coronary heart disease C. ten times the risk for coronary heart disease D. twice the risk for coronary heart disease
Which of the following factors is not a possible cause of central fatigue?
a. accumulation of metabolites c. increased work of breathing b. exercise-induced arterial hypoxemia d. arterial hemoglobin desaturation
Pulse rate should be taken for 10 seconds and multiplied by 6 to get its 1-minute rate.
Answer the following statement true (T) or false (F)