Which element has created unsafe levels in the blood of 500,000 children one to five years old, according to the CDC?
A) mercury
B) pesticides
C) asbestos
D) lead
D) lead
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Which type of hypersensitivity disease is caused by deposition of antigen-antibody complexes in blood vessel walls?
A. Type I B. Type II C. Type III D. Type IV E. Type V
Human immunodeficiency virus (HIV-1), the cause of acquired immunodeficiency syndrome (AIDS), selectively infects
A. B cells B. T-helper cells C. T-suppressor cells D. natural killer cells E. plasma cells
Which terms represent the parenteral route of medication administration?
A) sublingual, intravenous, oral B) subcutaneous, intradermal, intramuscular C) sublingual, oral, intradermal
Dressing appropriately for exercise includes __________.
A. wearing the same clothes for all exercises B. choosing dark colored clothing when exercising at night C. wearing sunscreen when exercising outside D. making sure you wear the best brand-name clothes