A(n) ________ scale has a true zero point.
A. ordinal
B. ratio
C. nominal
D. interval
Answer: B
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Pap test screening, when done regularly, is the single most important tool for preventing ________ cancer
a. intestinal b. breast c. ovarian d. cervical
Which of the following are advantages for the treatment of the respiratory tract with inhaled aerosols?
1. Doses are usually smaller. 2. Onset of drug action is rapid. 3. Delivered dose is consistent with each administration. 4. Systemic side effects are often fewer and less severe. a. 1 and 3 only b. 1, 2, and 4 only c. 4 only d. 2 and 4 only
What is the role of postextubation NPPV for patients with COPD exacerbations who are intubated because they were not initially candidates for NPPV? I. earlier extubation to NPPV II. reduced incidence of nosocomial infection III. decreased length of stay in hospital IV. shortened duration of positive-pressure mechanical ventilation
A. I. only B. II, III only C. I, III, IV only D. I, II, III, IV only
Stopping of postoperative tonsillectomy hemorrhaging is coded to which root operation?
A. Revision C. Control B. Repair D. Change