The approximate percentage of people in the United States who were over age 65 in 2006 is
A. 8 percent.
B. 12 percent.
C. 18 percent.
D. 23 percent.
B. 12 percent.
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varicocele : _______ of the veins within the spermatic cord caused by failure of the valves within the veins
Fill in the missing word in the definition for the key term.
An Air Quality Index reading of 105 means the air quality is considered
A. good, posing little or no risk to sensitive groups. B. acceptable for all but the most highly sensitive groups. C. unhealthy for sensitive groups, including older adults and children. D. very unhealthy for all people, resulting in a public health alert.
Hepatocellular carcinoma is cancer of the liver, and the tumor is also known as a ________
Fill in the blank(s) with correct word
Adenocarcinoma of the kidney is preventable
Indicate whether the statement is true or false