Digestion Enzymes 6, Pancreas and brush border enzymes

Pancreatic acinar cells produce;

a. Bile

b. Glucagon

c. Insulin

d. Intestinal juice

e. Pancreatic exocrine secretions

Which pancreatic proenzyme is activated by enterokinase from small intestinal the brush border:

a. Trypsinogen

b. Chymotrypsinogen

c. Procarboxypeptidase

d. Proelastase

e. Pancreatic amylase

Pancreatic juice contains:

a. Lingual lipase

b. Hydrogen peroxide

c. Sodium bicarbonate

d. Hydrochloric acid

Pancreatic protein digesting enzymes work best in a:

a. Slightly acidic environments, Ph around 4.8 – 6.5

b. Slightly alkaline environments, Ph around 7.4 – 8.5

c. Strongly acidic environments, Ph around 1.2 - 3

d. Strongly alkaline environments, Ph around 9.8 – 12.8

Choose one correct statement:

a. Brush border enzymes are secreted by enterocytes and have their digestive effects in the lumen of the jejunum and ileum.

b. Simple sugars and amino acids are absorbed into the enterocytes lining the villi by simple diffusion.

c. Fatty acids and monoglycerides are absorbed into the enterocytes lining the villi by simple diffusion.

d. The brush border contains no protease enzymes.

e. None of the above statements are correct.