Answers | Verified Study Guide for Nursing &
Medical Students
Which cells in the stomach secrete hydrochloric acid? - (ANSWER) Parietal cells
Which enzyme breaks down protein-forming polypeptides in the stomach? -
(ANSWER) Pepsin
Exposure to which substances protect the mucosal barrier of the stomach? -
(ANSWER) Prostaglandins
Which pancreatic enzymes break down carbohydrates? - (ANSWER) Amylase
The products of lipid hydrolysis must be made water soluble if they are to be
absorbed efficiently from the intestinal lumen. What accomplishes the formation of
water-soluble molecules to facilitate this absorption? - (ANSWER) Micelles
What is the role of the normal intestinal bacterial flora? - (ANSWER) They
metabolize bile salts, estrogens, and lipids.
,Bilirubin is a byproduct of the destruction of aged __________ that are destroyed
by macrophages in the spleen and liver. - (ANSWER) Erythrocytes
What is the effect of the process of conjugation of bilirubin the liver? - (ANSWER)
It transforms unconjugated (fat-soluble) bilirubin into conjugated (water-soluble)
bilirubin
Which statement is false about gallbladder function?
A. Within 30 minutes of eating, the gallbladder forces bile into the stomach
B. Cholinergic branches of the vagus nerve mediate gallbladder contraction
C. Cholecystokinin and motilin provide hormonal regulation of gallbladder
contraction
D. The sphincter of the Oddi controls the flow of bile from the gallbladder -
(ANSWER) A. Within 30 minutes of eating, the gallbladder forces bile into the
stomach
Bile is forced into the duodenum within 30 minutes of eating.
, Which structure of the digestive system synthesizes clotting factors and vitamin K
necessary for hemostasis? - (ANSWER) Liver
All of the following are symptoms of peptic ulcers except for:
A. Pain is relieved by eating
B. Pain is unrelenting and quickly worsens
C. Pain is relieved by antacids
D. Pain occurs at night when the stomach is empty - (ANSWER) B. Pain is
unrelenting and quickly worsens
Which of the following is not a common cause of peptic ulcer disease (PUD)?
A. Eating spicy food
B. Bacterial infection with H. Pylori
C. Long-term use of NSAIDs
D. Malignant tumors in the stomach and pancreas
E. All of the above are common causes of PUD - (ANSWER) A. Eating spicy food
Which of the following conditions is usually asymptomatic?
A. Diverticulitis
B. Crohn's disease