Eighty percent of all cancers are linked to:
a. Genetics
b. Heredity
c. Environmental factors including diet and lifestyle choices
d. Hormonal imbalances
ANS: C
Health Professions
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When mutations occur in the globin chains of hemoglobin, what two interactions can be impaired?
a. Stability and hemoglobin-oxygen affinity b. Iron binding and stability c. Heme synthesis and affinity d. Iron regulation and affinity
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Which of the following arteries should be palpated in pulseless adults and children older than 1 year of age?
a. Brachial b. Radial c. Carotid d. Femoral
Health Professions
Which material provides a safety barrier for personnel taking radiographs?
A) Iron B) Aluminum C) Steel D) Lead
Health Professions
How many deaths each year in the U.S. are attributed to tobacco usage?
A) 1 in 2 B) 1 in 3 C) 1 in 4 D) 1 in 5
Health Professions