Which of the following factors contributing to imprecision (random) errors during blood gas analysis?
a. Sample contamination
b. Contaminated buffers
c. Statistical probability
d. Sample mishandling
ANS: B
Table 19-3 outlines the major factors causing these two types of error and suggests some common corrective actions.
Health Professions
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Which of the following is recommended when applying direct compression?
a. Fluctuating pressure b. Circular friction c. Static pressure d. Strumming pressure
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Stimulation of the histamine (H1 ) receptors often results in:
A) vasodilation and increased vascular permeability. B) increased gastric acid release. C) inhibition of antibody production. D) bronchodilation.
Health Professions