A valve-like structure around a body opening and passage that controls the movement of substances into and out of the passages is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
sphincter
Sphincters control the movement of substances into and out of passages.
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A practice with 10 or more physicians would generally be categorized as a:
a. solo practice. b. private practice. c. small-group practice. d. large-group practice.
A common injury to the carpal bones among snowboarders who fall forward on an outstretched hand is a fractured:
a. scaphoid. b. ulna. c. radius. d. thumb.
"Elevating the head and extending the neck" describes which of the following?
a. The position for transtracheal invasive airway insertion b. The position for a nasopharyngeal airway insertion c. A maneuver called the jaw thrust or chin lift d. A maneuver called the sniffing position
Bill Brother has undergone a partial excision of the pituitary gland with transsphenoidal approach. What is the appropriate ICD-9-CM procedure code?
A) 07.53 B) 07.61 C) 07.62 D) 07.63