Until the 1970s, the most commonly utilized phosphor in radiography was
a. calcium tungstate.
b. rare earths.
c. gadolinium.
d. lanthanum.
a. calcium tungstate.
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A client feels aching pain and soreness along a broad area covering the length of the anterior thigh during active hip flexion but not during hip extension or passive hip flexion. The most likely source of pain is a(n)
a. entrapped nerve. b. sprained ligament. c. hip flexor muscle. d. hip extensor muscle.
________ breaks down tough connective tissues in meat and helps saturate the materials with salivary secretions
A) Chewing B) Cementum C) Mastication D) Both A and C
Which of the following systems are capable of eliminating fixed acids? I. Phosphate buffer system II. Protein buffer system III. Respiratory system IV. Renal system
A. IV only B. I, II, and IV only C. III and IV only D. I and II only
Competencies for phlebotomists never vary from one employer to another
Indicate whether this statement is true or false.