BSC 2086 (part II) Exam Questions and Answers Already Passed Latest Update 2025-2026
The muscular sphincter that guards the entrance between the ileum and the cecum is the: -
Answers ileocecal valve
The plicae of the intestinal mucosa, which bears the intestinal villi, are structural features that
provide for: - Answers increased total surface area for absorption
The enteroendocrine cells of the intestinal crypts are responsible for producing the intestinal
hormones: - Answers CCK and secretin
Which of the following is NOT part of the digestive tract? - Answers liver
Which of the following is secreted by the stomach? - Answers gastrin
The three pairs of salivary glands that secrete into the oral cavity include: - Answers parotid,
sublingual, submandibular
The enzyme lactase, which digests lactose to glucose and galactose, is synthesized by: -
Answers the stomach and epithelial cells lining the small intestine
The hormone that promotes the flow of bile and of pancreatic juice containing enzymes is: -
Answers CCK
The vitamins liberated by bacterial action and absorbed in the large intestine are: - Answers
biotin, pantothenic acid, vitamin K
The three divisions of the small intestine are: - Answers duodenum, jejunum, ileum
Which of the following is a function of the digestive tract? - Answers ingesting food, moving
food through the digestive tract,
digesting food, absorbing nutrients, eliminating waste,
The hormone gastrin: - Answers increases the activity of parietal and chief cells
Crushing, mashing, and grinding of food are best accomplished by the action of the: - Answers
bicuspids
The parts of the stomach include: - Answers fundus, body, pylorus
Hydrochloric acid in the stomach functions primarily to: - Answers facilitate protein digestion
An enzyme not found in pancreatic juice is: - Answers disaccharidase
The longitudinal ribbon of smooth muscle visible on the outer surfaces of the colon just beneath
the serosa are the: - Answers taenia coli
, Triglycerides coated with proteins create a complex known as a: - Answers chylomicron
The peptide hormone that causes the release of insulin from the pancreatic islets is: - Answers
GIP
Which one of the following organs is not a part of the digestive system? - Answers spleen
Before the large vitamin B12 molecule can be absorbed, it must be bound to: - Answers intrinsic
factor
Anabolism is - Answers synthesizes new organic molecules
The final hydrogen ion acceptor in the electron transport chain is - Answers oxygen
Amino groups can be removed from amino acids by - Answers deamination
For each glucose molecule converted to 2 pyruvates, the anaerobic reaction sequence in
glycolysis provides a net gain of: - Answers 2 ATP for the cell
Beriberi is caused by the lack of: - Answers Thiamine
The transition between glycolysis and the TCA cycle involves a molecule called - Answers acetyl
coenzyme A
The catabolism of carbohydrates and proteinsresults in the release of: - Answers 4 Cal/gram
The TCA, or Krebs, cycle takes place in the - Answers none of the choices are correct
Which of the following vitamins is not necessary to obtain energy or ATP from the energy
providing nutrients? - Answers Cobalamin
Lipogenesis can use almost any organic substrate because: - Answers lipids, amino acids, and
carbohydrates can be converted to acetyl-CoA
Glycolysis occurs in the - Answers cytoplasm
The food pyramid recommends many servings a day of dark-green and orange vegetables.
Which vitamin is particularly abundant in this food group? - Answers All of the answers are
correct
(A, C, E , folic acid)
The vitamin necessary for collagen synthesis is: - Answers C
For each glucose molecule processed during aerobic cellular respiration the cell gains: -
Answers 36 molecules of ATP
Minerals, vitamins, and water are classified as essential nutrients because: - Answers the body
The muscular sphincter that guards the entrance between the ileum and the cecum is the: -
Answers ileocecal valve
The plicae of the intestinal mucosa, which bears the intestinal villi, are structural features that
provide for: - Answers increased total surface area for absorption
The enteroendocrine cells of the intestinal crypts are responsible for producing the intestinal
hormones: - Answers CCK and secretin
Which of the following is NOT part of the digestive tract? - Answers liver
Which of the following is secreted by the stomach? - Answers gastrin
The three pairs of salivary glands that secrete into the oral cavity include: - Answers parotid,
sublingual, submandibular
The enzyme lactase, which digests lactose to glucose and galactose, is synthesized by: -
Answers the stomach and epithelial cells lining the small intestine
The hormone that promotes the flow of bile and of pancreatic juice containing enzymes is: -
Answers CCK
The vitamins liberated by bacterial action and absorbed in the large intestine are: - Answers
biotin, pantothenic acid, vitamin K
The three divisions of the small intestine are: - Answers duodenum, jejunum, ileum
Which of the following is a function of the digestive tract? - Answers ingesting food, moving
food through the digestive tract,
digesting food, absorbing nutrients, eliminating waste,
The hormone gastrin: - Answers increases the activity of parietal and chief cells
Crushing, mashing, and grinding of food are best accomplished by the action of the: - Answers
bicuspids
The parts of the stomach include: - Answers fundus, body, pylorus
Hydrochloric acid in the stomach functions primarily to: - Answers facilitate protein digestion
An enzyme not found in pancreatic juice is: - Answers disaccharidase
The longitudinal ribbon of smooth muscle visible on the outer surfaces of the colon just beneath
the serosa are the: - Answers taenia coli
, Triglycerides coated with proteins create a complex known as a: - Answers chylomicron
The peptide hormone that causes the release of insulin from the pancreatic islets is: - Answers
GIP
Which one of the following organs is not a part of the digestive system? - Answers spleen
Before the large vitamin B12 molecule can be absorbed, it must be bound to: - Answers intrinsic
factor
Anabolism is - Answers synthesizes new organic molecules
The final hydrogen ion acceptor in the electron transport chain is - Answers oxygen
Amino groups can be removed from amino acids by - Answers deamination
For each glucose molecule converted to 2 pyruvates, the anaerobic reaction sequence in
glycolysis provides a net gain of: - Answers 2 ATP for the cell
Beriberi is caused by the lack of: - Answers Thiamine
The transition between glycolysis and the TCA cycle involves a molecule called - Answers acetyl
coenzyme A
The catabolism of carbohydrates and proteinsresults in the release of: - Answers 4 Cal/gram
The TCA, or Krebs, cycle takes place in the - Answers none of the choices are correct
Which of the following vitamins is not necessary to obtain energy or ATP from the energy
providing nutrients? - Answers Cobalamin
Lipogenesis can use almost any organic substrate because: - Answers lipids, amino acids, and
carbohydrates can be converted to acetyl-CoA
Glycolysis occurs in the - Answers cytoplasm
The food pyramid recommends many servings a day of dark-green and orange vegetables.
Which vitamin is particularly abundant in this food group? - Answers All of the answers are
correct
(A, C, E , folic acid)
The vitamin necessary for collagen synthesis is: - Answers C
For each glucose molecule processed during aerobic cellular respiration the cell gains: -
Answers 36 molecules of ATP
Minerals, vitamins, and water are classified as essential nutrients because: - Answers the body
