Why are the rings of cartilage surrounding the trachea C-shaped?
A) The C rings of cartilage keep the trachea patent (open).
B) The C rings of cartilage allow the esophagus to expand during swallowing.
C) The C rings of cartilage allow the esophagus to expand during swallowing, allow the trachea to change diameter during breathing, and keep the trachea patent (open).
D) The C rings of cartilage allow the trachea to change diameter during breathing.
Answer: C
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The enterogastric reflux ____________ stomach emptying
Fill in the blank(s) with the appropriate word(s).
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A. 1200 B. 1500 C. 2000 D. 2500
Which number identifies the olecranal region of the body?
A) 2
B) 3
C) 4
D) 12
E) 13