GeekyMedics Quiz - Gastro Physiology

1.-Which one of the following is NOT a GI tract layer?

a) Longitudinal muscleb) Myenteric plexusc) Circular muscled) Meissner plexuse) Interlobular plexus

2.- What is the role of the individual muscle layers within the GI tract? a) Contracting and relaxing movementsb) Propulsive and mixing movementsc) Thrusting and mixing movementsd) Propelling and contracting movements

3.- GI hormone released by K cells

a) Gastrinb) Motilinc) Gastric inhibitory peptided) Cholecystokinine) Secretin

4.- GI hormone released by I cells

a) Gastrinb) Motilinc) Gastric inhibitory peptided) Cholecystokinine) Secretin

5.- GI hormone released by G cells

a) Gastrinb) Motilinc) Gastric inhibitory peptided) Cholecystokinine) Secretin

6.- Paracrine hormone released from D cells located in the stomach and pancreas to inhibit acid secretion.

a) Histamineb) Somatostatinc) Prostaglandins

7.- Which one of the following muscles is NOT involved in swallowing?

a) Upper esophageal sphincterb) Striated esophageal musclec) Medial esophageal sphincterd) Lower esophageal sphincter

8.- What are the two main GI tract sites of carbohydrate digestion?

a) Mouth and esophagusb) Stomach and duodenumc) Mouth and small intestined) Small and large intestine

9.- Where are carbohydrate mainly absorbed?

a) Stomachb) Esophagusc) Jejunumd) Duodenume) Large intestine

10.- What are the phases of pancreatic secretion?

a) Esophageal, gastric and intestinalb) Cephalic, gastric and intestinalc) Exocrine and endocrined) Release of secretin and release of cholecystokinin

11.- Neuroendocrine cells found in pancreatic islets that secrete somatostatin

a) Delta cellsb) Alpha cellsc) Beta cellsd) F cells

12.- Neuroendocrine cells found in pancreatic islets that secrete glucagon

a) Delta cellsb) Epsilon cellsc) Beta cellsd) Alpha cells

13.- Which of the following is NOT one of glucagons principal physiologic functions?

a) Glycogenolysisb) Gluconeogenesisc) Lipolysisd) Insulinogenesise) Ketogenesis

REFERENCES:

Ganong, W. F., & Barrett, K. E. (2005). Review of medical physiology (Vol. 21). ^ eNew York New York: McGraw-Hill Medical.

- Preston, R. R., & Wilson, T. E. (2012). Physiology (Vol. 1). Lippincott Williams & Wilkins.