F07#4 - BS 300 Exam 4B Fall 2007 Digestion Name CSU ID# 1....

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
BS 300 Name Exam 4B Fall 2007 CSU ID# Digestion 1. In the large intestine, Na/K ATPase pumps across the epithelial cell to produce a locally high osmotic gradient the cells so that can follow. £a}Na + , between, water b. K + , between, water c. Na + , on the apical side, K + d. K + , apical side, Na + e. water, between, Na + 2. Type I diabetes results from the lack of where as Type II diabetes results from a lack of a. insulin release, glucagon receptors b. insttlift-reeeptefs, insulin release c. gteeeneege«esisr insulin release (<J) insulin release, insulin receptors e. gteragoB-retease, glucagon receptors 3. The role of bile_salt_s is to: x. remove waste products of hemoglobin destruction. £f. break the ester bond between fatty acids and glycerol in triglycerides. .c. form monoglycerides and fatty acids. (d) act as a detergent and emulsify fats into micelles e. All of the above are correct. 4. Lactase is an enzyme that converts the disaccharide lactose into the monosaccharides glucose and galactose. This enzyme is located: a. in the lumen of the duodenum. b. on the basilar surface of the intestinal epithelial cells of the duodenum. c. on the apical surface of the intestinal epithelial cells of the duodenum. d. on the microvilli that form the brush border of the intestinal epithelial cells. /eS)c and d are correct. 5. After moving across the basal lateral side of intestinal epithelial cells via facilitated diffusion, glucose first enters the: aT common bile duct, b. hepatic artery. (c) hepatic portal vein, dr'hepatocytes. e. lymph in the lacteal. 6. Hepatocytes: a. store glucose as the polysaccharide glycogen in the liver. b. absorb amino acids from blood in the sinusoids c. generate bile acids. d. absorb glucose from the blood in the sinusoids fe j All of the above are correct.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
BS300 Exam 4 November 28, 2007 14. Which of the following is (are) absorbed across the mucosa in the stomach? a. glucose Jef. amino acids xr. lipids d. All of the above, /e) None of the above. 15. The hormone glucagon is released from and causes in a. alpha cells, glycogenolysis, hepatocytes Jbf beta cells, glucose uptake, muscle ^cj) alpha cells, gluconeogenesis, hepatocytes jX. beta cells, glucose uptake, hepatocytes e. alpha cells, lipolysis, adipocytes 16. Acinar cells in the salivary glands are responsible for moving into the lumen of the gland. As the fluid enters the mouth as saliva, however, it is a hypotonic solution because the duct epithelial cells . a. Potassium and chloride ions, are impermeable to K + and permeable to water. b. Potassium and chloride ions, are permeable to K + and impermeable to water c. Sodium and chloride ions, are impermeable to Na + , and permeable to water, d) Sodium chloride, are permeable to Na + and impermeable to water 17. The carbohydrate, starch, is a polymer of: a. galactose b. sucrose c. fructose d. glucose (^ maltose Renal 18. In the accompanying figure, the concentration of ions in blood is highest at: a. 1, Glomerulus b. 2, Paratubular capillary
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/10/2011 for the course BS 300 taught by Professor Walrond during the Fall '07 term at Colorado State.

Page1 / 7

F07#4 - BS 300 Exam 4B Fall 2007 Digestion Name CSU ID# 1....

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online