Children who flew in an trans-Atlantic airplane have been exposed to the new virulent strain of influenza. A laboratory has developed a 6-minute antigen assay from nasal swabs to diagnose the disease
The lab ran this test on 1000 samples. In a longer test that is considered the gold standard assay, 200 of these samples were found to be true positives and 800 true negatives. When tested by the new antigen assay, 150 of the true positives tested positive, and 790 of the true negative samples tested negative.
What is the specificity of this antigen assay?
a.
75.00%
b.
90.00%
c.
98.75%
d.
95.00%
C
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A. powerful, natural stimulant. B. a derivative of opium. C. a natural alkaloid derivative of opium. D. is a barbiturate.
It is very important to understand "directional terms" about the human body. There are five pairs of directional terms. Within each pair, the two terms are opposite each other. Which pair of terms means "toward the midline" and "t
A) superior and inferior B) medial and lateral C) superficial and deep D) anterior and posterior
The number two cause of mortality in the United States is ________, responsible for an estimated 466,000 deaths per year.
A. drug use B. tobacco use C. obesity D. alcohol use
If the pharmacy technician is required to fill the same prescription twice, it would appear to be wasteful of the technician's time. This is an example of ____.
A. inefficiency B. double checking C. a medical error D. quality control