Exam 14: The Digestive System

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -stimulated primarily by the presence of fat (fatty acids)

Match the digestive enzyme with the correct characteristic by using the answer code: -activation initiated by trypsin

Indicate which item in the top column best describes the item in the bottom column by using the answer code: -trypsin(ogen)

As food leaves the stomach,gastric secretion is reduced.Which factor does NOT contribute to this reduction?

Proteins are primarily digested to and absorbed as _______________

The small intestinal epithelium actively secretes digestive enzymes into the intestinal lumen.

Which statement concerning the intrinsic nerve plexuses is correct?

Indicate which hormone(s) is being described by using the answer code (options may be used more than once or not at all): -secreted by the small intestine mucosa

Defecation is a spinal reflex.

When worn-out red blood cells are destroyed,the haemoglobin is degraded to a yellow pigment known as ____________________,which is excreted into the bile.

The rate of gastric emptying depends entirely on the volume and fluidity of gastric contents.

Which of the following statements is NOT true about the pyloric gland area of the stomach antrum ?

Glycogen is stored in the liver.

What stimulates gallbladder contraction?

A(n)____________________ ulcer is an erosion of the stomach wall.

Intrinsic factor is necessary for the absorption of vitamin B₁₂.

The liver receives venous blood coming directly from the digestive tract and arterial blood coming from the aorta.

Lipase breaks down proteins via hydrolysis.

Chylomicrons are aggregates of bile salts,monoglycerides,and free fatty acids.

Match the hormone with the action by using the answer code: -relaxes ileocecal sphincter