# Digestive, Blood & Immune Qs for A&P FINAL

Term
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Secretion refers to the
A) breakdown of food into particles small enough to cross epithelial cells.
B) release of substances into the lumen of the gut.
C) input of food into the digestive tract.
D) absorption of nutrients in the gut.
E) progressive dehydration of indigestible residue.
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Terms in this set (31)
The esophagus has several variations from the standard plan of the GI tract. These include
A) epithelium of mucosa is stratified squamous and simple columnar.
B) muscularis externa has some skeletal muscle.
C) epithelium of mucosa is stratified squamous.
D) epithelium of mucosa is simple columnar and muscularis externa may be striated muscle.
E) epithelium of mucosa is simple columnar.
Match the phase on the left (1-3) with the correct description on the right (4-6):

1. intestinal phase 4. prepares stomach for arrival of food
2. gastric phase 5. stomach empties and decreases secretions
3. cephalic phase 6. stomach secretes juice and mixes food into chyme

A) 1 and 6; 2 and 5; 3 and 4
B) 1 and 5; 2 and 6; 3 and 4
C) 1 and 5; 2 and 4; 3 and 6
D) 1 and 4; 2 and 5; 3 and 6
E) 1 and 6; 2 and 4; 3 and 5