Gastric, Intestinal, and Pancreatic Function

Question 1

Obj.1: List three functions of the stomach

Answer 1

1. Movement of food to the duodenum
2. Secretion of digestive enzymes, intrinsic factor, and HCL
3. Partial digestion of proteins

Question 2

Obj. 3: Recognize five functions of gastric hydrochloric acid

Answer 2

1. Converts pepsinogen to pepsin
2. Activates renin
3. Combines with food proteins to form acid metaproteins
4. Prevents bacterial multiplication
5. Prevents precipitation of ingested calcium

Question 3

Obj. 4: Recognize four stimuli for gastrin release

Answer 3

1. When proteins, amino acids, and calcium enter stomach
2. Vagus nerve is activated and releases acetylcholine
3. Catecholamines are circulating
4. Antrum is distended

Question 4

Obj. 6: Recognize three functions of gastric fluid

Answer 4

1. Initiation of protein digestion
2. Physical and chemical preparation of ingested food for absorption
3. Secretion of intrinsic factor to promote Vitamin B12 absorption in the ileum