In which organ are enzymes produced that are responsible for digestion of 50 percent of carbohydrate and protein and 90 percent of fat?
A) liver
B) esophagus
C) pancreas
D) gallbladder
Q. 2In which part of the brain is the swallowing center located?
A) the hypothalamus
B) the medulla oblongata
C) the thalamus
D) the pons
Q. 3Pancreatic juice that enters the duodenum through the sphincter of Oddi contains all of the following EXCEPT ____.
A) digestive enzymes
B) intrinsic factor
C) anions such as bicarbonate and chloride
D) cations such as sodium, potassium, and calcium
Q. 4The pancreas is a digestive system accessory organ with two types of active tissue-the ductless endocrine cells that secrete insulin and glucagon and the ____.
A) liver-like cells that produce bile
B) ductless absorptive tissue that controls bicarbonate
C) acinar exocrine cells that produce digestive enzymes
D) erythropoietic cells that produce red blood cells
Q. 5Which phrase best describes the function of the crypt of Lieberkhn?
A) mucus secretion
B) glucose oxidation
C) cellular differentiation
D) amylase secretion
Q. 6Pyloric glands are located predominantly ____.
A) at the juncture of the esophagus and the stomach
B) in the fundus and the body of the stomach
C) in the antrum of the stomach
D) in the cardiac portion of the stomach
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