Which of the following is a likely source of lead exposure?
A) Lead-based paint chips found on older homes
B) Lead-contaminated soil
C) Contaminated water from lead pipes and solder
D) All of the above
E) a, c
D
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Which of the following is a prominent feature of mild iodine deficiency in children?
a. Demineralization b. Growth retardation c. Discoloration of teeth d. Poor performance in school e. Hyperactivity
Which condition may improve with vitamin E therapy??
A) ?diabetes B) ?pernicious anemia C) ?muscular dystrophy D) ?intermittent claudication
The period in cancer development when the number of cells with altered DNA increases is called the:
Anaerobic breakdown of glucose yields energy to muscle when energy demand surpasses the body’s ability to produce energy aerobically, but it does require large amounts of muscle glycogen reserve. What happens if glycogen is depleted, but the energy need is still high?
1.Muscles use fat for energy 2.Fatigue sets in 3.Capacity for work decreases 4.More oxygen is required 5.Both “fatigue sets in” and “capacity for work decreases” are true.