Which of the following substances is found in high amounts in calculus?
A) Fluoride
B) Silica
C) Hydroxyapatite
D) Tricalcium phosphate
C
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A new EMT who is treating a suspected femur injury asks his partner, "How much traction should I pull?" The partner's BEST reply is which of the following?
A) The amount of traction applied should be 15 pounds. B) No traction splint applied in the field pulls true traction; they must pull 20 pounds of countertraction. C) The amount of traction applied should be roughly 10% of the patient's body weight and not exceed 15 pounds. D) Pull enough traction to give the patient some relief from the pain.
After several cycles of lab testing on test animals, a medication can enter clinical trials for evaluation in humans. In phase one clinical trial testing:
A) the trial is expanded to include a large sample size, usually in the thousands of individuals, and establish the overall safety and effectiveness of the drug. B) the medication is compared to other medications on the market. C) consists of the drug being tested on a small number (usually 300 or less) of people with the illness or condition the drug is designed to treat. D) researchers attempt to determine the safe dose and how the medication is both absorbed and eliminated from the body.
A McBurney's incision is used for surgical procedures of the ____________?
A. spleen C. appendix B. pancreas D. uterus
A postural reflex that occurs in a standing position and causes a subtle swaying motion of the entire body at the ankles
What will be an ideal response?