The abbreviation for paroxysmal nocturnal dyspnea is:
a. PXD. c. PNOCD.
b. PND. d. PXNOCD.
b
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Diagnostic specificity is defined as which of the following?
A. The probability that a laboratory test will be positive in the absence of disease B. The probability that a laboratory test will be negative in the absence of disease C. A measure of how often the assay system detects the biomarker when the disease is present D. The probability that a disease is present when the test is positive or that a disease is absent when a test is negative
The contrast agent barium sulfate is used for radiology studies of the _____ body area
a. renal b. gastrointestinal c. cardiovascular d. spinal column
Which of the following parts of a syringe contains the medication, and has graduated markings?
Tip Flange Plunger Barrel
Which of the following statements regarding gastrostomy (gastric) tubes is correct?
A. Gastrostomy tubes are placed directly into the small intestine. B. Most gastrostomy tubes are temporary and are not sutured in place. C. Patients with a gastrostomy tube may still be at risk for aspiration. D. Gastrostomy tubes are used for patients who cannot digest food.