Choose the best answer.

1			What layer of the digestive tract is thickened in some places to form valves?
			A)	serosa
			B)	submucosa
			C)	mucosa
			D)	muscularis externa
			E)	adventitia
2			Which type of cell in the stomach secretes hydrochloric acid?
			A)	chief cell
			B)	parietal cell
			C)	goblet cell
			D)	enteroendocrine cell
			E)	mucous cell
3			Which of the following is NOT a function of hepatocytes?
			A)	absorption of glucose
			B)	removal of toxins from the blood
			C)	production of digestive enzymes
			D)	secretion of albumin
			E)	secretion of bile
4			Which nutrient is absorbed by the lacteals of the small intestine?
			A)	lipids
			B)	amino acids
			C)	glucose
			D)	minerals
			E)	water-soluble vitamins
5			The yellow to orange skin color produced by liver damage or bile blockage is called ________________.
			A)	constipation
			B)	caries
			C)	jaundice
			D)	dysphagia
6			The difficulty in swallowing is called ________________.
			A)	dysphagia
			B)	caries
			C)	ulceration
			D)	gingivitis
7			This very common problem with the gums is called _______________.
			A)	caries
			B)	ulcers
			C)	dysphagia
			D)	gingivitis
8			This protrusion of part or the entire stomach or GI tract into the thoracic cavity is called ______________.
			A)	colitis
			B)	hiatal hernia
			C)	gastritis
			D)	ascites
9			The abnormal accumulation of serous fluid in the abdominal cavity is called ___________.
			A)	ascites
			B)	colitis
			C)	hepatitis
			D)	omphalocele
10			The failure of an embryo's loop of intestine to move back into the body cavity is called __________________.
			A)	omphalocele
			B)	colitis
			C)	iliostomy
			D)	hemorrhoids
11			The abnormal movement of gastric contents into the esophagus is called ________________.
			A)	constipation
			B)	ulcerative colitis
			C)	Crohn's disease
			D)	gastroesophageal reflux disease
12			The failure of veins and their valves at the rectal area is called _______________.
			A)	ulcerative colitis
			B)	constipation
			C)	hemorrhoids
			D)	periodontal disease
13			Pain coming from the GI tract is often called _____________ pain because of being perceived as coming from another location.
			A)	delayed
			B)	lost
			C)	referred
			D)	acute
14			Which is NOT a normal component of pancreatic juice?
			A)	Water
			B)	Fat
			C)	Sodium bicarbonate
			D)	Zymogens