Which of the following best describes the "choanae"?
A. The line of lymph nodes in the neck
B. The flap of tissue that covers and protects the airway during the act of swallowing
C. The funnel-shaped channels that form large openings through which air leaves the nose
D. The passage linking the middle ear to the throat
C
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Most codes and standards are revised every 3 to 5 years
A. True B. False
A physician has requested your assistance in extubating an orally intubated patient. Which of the following should be done before the tube itself is removed?
1. Suction the orolaryngopharynx 2. Preoxygenate the patient 3. Suction the endotracheal tube 4. Confirm cuff inflation a. 2 and 4 only b. 1, 2, and 4 only c. 1, 2, and 3 only d. 1, 2, 3, and 4
Which of the following is considered a significant problem with using biomarkers of bone turnover in the management of patients with osteoporosis in a clinical setting?
A. They can be repeated over short time intervals thus providing quick results. B. They are noninvasive. C. They require no special patient preparation. D. The measurements are affected by several preanalytical variables both controllable and uncontrollable
The mineral required for hemoglobin synthesis is ____________________.
Fill in the blank(s) with the appropriate word(s).