11) all of the following are true of the thymus gland, except that it
a) activates b cells.
b) reaches its greatest relative size during the second year of life.
c) involutes after puberty.
d) produces t cells.
e) lies in the anterior mediastinum.
12) during the cephalic phase of gastric secretion,
a) the stomach responds to distention.
b) secretin inhibits parietal and chief cells.
c) there is an increased flow of action potentials along the vagus nerve to the stomach.
d) the intestinal reflex inhibits gastric emptying.
e) production of gastric juice slows down.
13) the larynx contains ________ cartilages.
a) 14
b) 6
c) 9
d) 2
e) 5
14) a blockage of the ducts from the parotid glands would
a) occurs when too much protein is ingested.
b) cause mumps.
c) interfere with carbohydrate digestion in the mouth.
d) prevent emulsification of lipids.
e) inhibit the secretion of saliva from other glands.
15) the ribs articulate with the ________ of the vertebrae.
a) spinous processes