Which of the following is true of a standard?
A. solution made from human serum having a known concentration of the same constituents measured in patient samples
B. reagent that has a long history of use in the laboratory
C. assayed biological specimen
D. chemical solution of a known concentration that can be used as a reference or calibration substance
Answer: D
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Eddies and swirls in blood flow are called:
A) pressure variable. B) viscosity. C) density. D) turbulence.
Dr. O'Connor treated a 42-year-old male in the hospital emergency department. The patient complained of right lower quadrant pain and of feeling faint. Dr. O'Connor documented a chief complaint, a brief history of present illness, and a systemic review of the gastrointestinal system and respiratory system. Dr. O'Connor also documented a complete examination of all body systems, which included all required elements. Medical decision making was of moderate complexity. Report code _____.
a. 99281 b. 99282 c. 99283 d. 99284
A(n) _____ identifies conditions that cannot be included in a given code.
Fill in the blank(s) with the appropriate word(s).
Which of the following best describes heat stroke?
a. A severe, life-threating condition b. A mild condition easily remedied with rest and fluids c. A painful but temporary condition d. A moderately serious illness