Anatomy II Week 8 Quiz Review - digestive system

A viral infection that often involves the parotid glands, which swell noticeably, is A) gastric ulceration. B) hepatitis. C) cirrhosis. D) mumps. E) HIV.

D) mumps.

Which is not a component of saliva? A) Lysozyme B) Amylase C) Hydrochloric acid D) Mucus

Hydrochloric acid

________ pair(s) of salivary glands secrete into the oral cavity. A) One B) Two C) Three D) Four

Three

5) Bile salts break lipids apart in a process called A) ingestion. B) emulsification. C) absorption. D) deglutition. E) the alkaline tide.

emulsification.

Blockage of the common hepatic duct would interfere with digestion of A) proteins. B) fats. C) disaccharides. D) complex carbohydrates. E) vitamins.

fats.

The human liver is composed of ________ lobe(s). A) one B) two C) three D) four E) two large and four small

four

The process of synthesizing glucose from non-carbohydrates is called A) glycogenolysis. B) glycogenesis. C) glycolysis. D) gluconeogenesis. E) glucose reclamation.

gluconeogenesis.

Although other nutrients can feed into the citric acid cycle, ________ yields energy the quickest. A) glycogen B) glucose C) protein D) fat

glucose

All of the following are reasons why glucose is the primary energy source for cells except A) glucose is a small, soluble molecule. B) glycogen breakdown occurs very slowly. C) glucose can be stored efficiently. D) glycogen breakdown involves only a single enzymatic step. E) glycolysis does not require oxygen to generate ATP.

glycogen breakdown occurs very slowly.

All of the following is true of the electron transport system except A) receives electrons from coenzymes. B) produces energy that supports the synthesis of ATP. C) is found on the inner mitochondrial membrane (the cristae). D) is found on the outer mitochondrial membrane. E) electrons are eventually accepted by oxygen with the formation of water.

is found on the outer mitochondrial membrane.

Tom has hepatitis, an inflammation of the liver. Which of the following symptoms would you expect to observe in Tom? A) jaundice B) elevated levels of blood glucose C) impaired digestion of protein D) blood in the feces E) overproduction of blood plasma albumin

jaundice

The exocrine portion of the pancreas is composed of A) pancreatic islets. B) pancreatic crypts. C) pancreatic acini. D) pancreatic lobules. E) triads.

pancreatic acini.: stores digestive enzymes

Increased secretion by all the salivary glands results from A) sympathetic stimulation. B) hormonal stimulation. C) parasympathetic stimulation. D) myenteric reflexes. E) hunger.

parasympathetic stimulation.

The pancreas produces ________ -digesting enzymes in the form of proteolytic enzymes. A) carbohydrate B) protein C) sugar D) lipid E) nucleic acid

protein

Glycolysis breaks down glucose into what? A) citric acid B) NAD•H C) glutaraldehyde D) pyruvate E) phosphate

pyruvate

Glycolytic breakdown of glucose first results in ________ molecules. A) 2 pyruvate B) 4 NADH C) 4 ATP D) 2 CO2 E) 2 H2O

2 pyruvate

Which of the following is not a component of the portal triad found at the edges of a liver lobule? A) hepatic artery B) bile duct C) central vein D) hepatic portal vein E) None of the answers is correct; all are present in the portal triad.

C) central vein

Which one is false? A) Producing blood cells is not a function of the adult liver. B) The parotid gland empties into the oral cavity at the level of the second upper molar. C) The structure that marks the division between the right and left lobes of the liver is the falciform ligament. D) Kupffer cells are arranged within a lobule of the liver into a series of plates converging toward a central vein.

Kupffer cells are arranged within a lobule of the liver into a series of plates converging toward a central vein.

What is a nutrient pool? A) a general term for vitamins and minerals together B) the metabolic reserves of the body as a whole C) the region in the mitochondria where hydrogen atoms are removed from organic molecules D) an accessible source of substrate for a cell E) an alternative term for a bolus of food in the digestive system

an accessible source of substrate for a cell

Metabolism can be defined as A) anabolism - catabolism. B) catabolism - anabolism. C) anabolism + catabolism. D) anabolism + heat. E) heat - catabolism.

anabolism + catabolism.

The citric acid cycle A) begins with the formation of a molecule of citric acid. B) directly produces most of the ATP from the catabolism of glucose. C) consumes two moles of carbon dioxide. D) contains enzymes called cytochromes. E) forms acetyl-CoA from glucose-6-phosphate. *look at cellular respiration picture

begins with the formation of a molecule of citric acid.

Poisons like cyanide bind to ________ and prevent electron transfer. A) enzymes B) the endoplasmic reticulum C) acetyl-CoA D) cytochromes E) mitochondria

cytochromes

Cells perform catabolism to generate ATP, which can be used for all of the following except A) muscle contraction. B) ion transport. C) protein synthesis. D) glycogen synthesis. E) diffusion.

diffusion.

6) The sum of all of the biochemical processes going on within the human body at any given time is called A) glycolysis. B) oxidative phosphorylation. C) catabolism. D) anabolism. E) metabolism.

metabolism.

During lipolysis, A) triglycerides are converted into molecules of acetyl-CoA. B) triglycerides are broken down into glycerol and fatty acids. C) lipids are converted into glucose molecules. D) lipids are formed from excess carbohydrates. E) lipids are metabolized to yield ATP.

triglycerides are broken down into glycerol and fatty acids.