The best way to prevent injuries due to sports or exercise is to:
A) eat a full meal prior to beginning
B) perform warm-up exercises
C) build muscle strength gradually
D) stretch to stimulate circulation
C
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Which noxious chemical sensitizes nerve receptors to metabolic irritants?
a. Bradykinin b. Serotonin
Public opinion is more based on:
a. perception than action. b. action than perception. c. only the facts. d. None of the above
You respond to the vehicle maintenance department, where a middle-aged man is flushing his eyes with tap water. He tells you that acid splashed in his eyes and that they are burning. Which of the following questions is the most important one to ask right away?
a. "What is your past medical history?" b. "Are you wearing contact lenses?" c. "Do you take any medications?" d. "Have you ever had a previous eye injury?"
The anticoagulant preferred for hematology testing is:
a. citrate b. EDTA c. fluoride d. heparin