Question

21. Complete obstruction of the bile duct will result in which of the following side effects?

a. Lowered iron absorption due to the drop in intestinal bile concentration

b.Impaired ability to remove conjugated toxins produced in the liver

c. Increased secretion of pepsinogen from the stomach

22. Pancreatic gastrinomas are gastrin secreting tumors that secrete gastrin into the bloodstream. What symptom would you expect to see in a patient with gastrinoma?

a. Elevated levels of pepsinogen within the stomach

b.Low levels of histamine release from the histamine-releasing cell

c. Low pH in the lumen of the stomach

23. Identify one role of trypsin within the small intestine

a. Trypsin cleaves and activates most of the digestive zymogens converting them to active enzymes

b. Trypsin aids in digestion by cleaving glycogen and freeing glucose monomers

c. Trypsin is a base that neutralizes with acid present in the small intestine

24.Which of the following statements regarding the hepatic portal vein is true?

a. The heptic portal vein delivers conjugated toxins to the liver for detoxification

b.The heptic portal vein supplies the liver with oxygenated blood

c. The heptic portal vein supplies the liver with recently absorbed nutrients from the small intestine

25. Mass movements in the large intestine are contractions that work to do which of the following?

a. Mass movements squeeze out excess water from the feces, preventing dehydration

b. Mass movements help to propel the feces out of the body

c. Mass movements activate enzyme secretions from the wall of the large intestine  

Answer 1

21.

B.Impaired ability to remove conjugated toxins produced in the liver.

22.

C. Lower pH in lumen of stomach.

• It is characterised by Gastric acid hypersecretion , Elevated fasting gastrin ( > 100 pg/mL ).

23.

A. Trypsin cleaves and activates most of the digestive zymogens converting them to active enzymes.

It activates Carboxypeptidase , Chymotrypsinogen etc.

24.

C. The heptic portal vein supplies the liver with recently absorbed nutrients from the small intestine.

25.

B. Mass movements help to propel the feces out of the body