Test I

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Match the items.The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. Gastrin b. CCK c. Secretin 1. Hormone made by the stomach that increases stomach secretion. 2. Hormone made by the duodenum that decreases stomach secretion. This hormome also increases enzymes from pancreas and gall bladder contraction 3. Hormone made by the duodenum that decreases stomach seretion also increases bicarbonate seretion by pancreas

1- gastric 2- cck 3- secretin

An obstruction of the common bile duct often results in a. undigested fat in the feces. b. a decrease in production of pancreatic juice. c. inability to digest protein. d. cirrhosis of the liver. e. hepatitis.

A

Which of the following would not be considered retroperitoneal in location? a. Appendix b. Duodenum c. Pancreas d. Kidney

A

Notice that the picture above shows two arrows pointing to organs that are Retroperitoneal. Which organs are shown? [mark all correct answers] a. Pancreas------------------- b. Mouth c. Stomach d. Duodenum--------------- e. Spleen

A, D

A drug that blocks the action of the hormone cholecystokinin would affect a. acid production by the stomach. b. the composition of pancreatic secretions. c. the delivery of bile d. digestion of lipids and proteins. e. All of the answers are correct. Check Answer

ALL Of answers are correct

Put the following layers of the digestive tract wall in order from the lumen to the deepest layer. 1. lamina propria 4. digestive (mucous) epithelium 2. muscularis externa 5. serosa 3. submucosa 6. muscularis mucosae a. 5, 2, 3, 6, 1, 4 b. 4, 1, 6, 3, 2, 5-----------------------****** c. 4, 6, 3, 1, 2, 5 d. 5, 4, 2, 6, 1, 3 e. 1, 4, 3, 6, 2, 5

B

The right and left hepatic duct join to form the a. Cystic duct b. common hepatic duct c. common bile duct d. accessory duct e. pancreatic duct

B

Lipoproteins that carry mostly cholesterol to peripheral tissues are called _______. a. Chylomicrons b. Very-low-density lipoproteins c. intermediate-density lipoproteins d. low-density lipoproteins e. high-density lipoproteins

C

All of the following are functions of HCl except [mark all correct answers] a. Denature proteins b. Kill bacteria c. Activate the zymogen (proenzyme), pepsinogen to pepsin d. Activate the zymogen (proenzyme), Trypsinogen to Trypsin

D

Identify the incorrect pairing. a. gallbladder; stores bile b. esophagus; transports material to stomach c. pancreas; secretes amylases d. liver; produces intrinsic factor e. stomach; has an alkaline lining

D

Match the proenzyme on the left (1-3) with the correct enzyme activator on the right (4-6) 1. pepsinogen 4. enterokinase 2. trypsinogen 5. hydrochloric acid 3. procarboxypeptidase 6. trypsin a. 1 and 6; 2 and 5; 3 and 4 b. 1 and 4; 2 and 5; 3 and 6 c. 1 and 4; 2 and 6; 3 and 5 d. 1 and 5; 2 and 6; 3 and 4 e. 1 and 5; 2 and 4; 3 and 6 Check Answer

E

Which of the following describes glycolysis? a. Breakdown of glycogen b. Making glycogen c. making glucose from pyruvic acid d. making glucose from glycerol e. breakdown of glucose

E

The Kupffer cells of the liver a. destroy damaged RBCs. b. destroy bacteria. c. present antigens. d. are phagocytic. e. All of the answers are correct.

E--all are correct

Proteins must be broken down by hydrolysis to monosaccharides in order to be absorbed into the blood in the small intestine True False

False

The decarboxylation of pyruvic acid occurs in the matrix of the mitochondria. True False

T

The _____ represents the minimum resting energy expenditures of an awake, alert individual. a. Basal Metabolic Rate b. Blood Pressure c. Heart Rate d. Heat Loss Quotient e. All of the Above

a

In which of the following reactions is acetylCOA the product? a. glycolysis b. kreb cycle c. beta-oxidation d. ketogenesis

b

The vitamin that is a constituent of coenzyme A is ____ a. Folic acid (folate) b. Pantothenic acid c. Pyridoxine (B6) d. Riboflavin e. Niacin

b

When NAD+ is ________ it becomes NADH. When NADH is ________ it becomes NAD+. a. phosphorylated; deaminated b. reduced; oxidized c. made; recycled d. phosphorylated; dephosphorylated e. oxidized; reduced

b

When NAD+ is ________ it becomes NADH. When NADH is ________ it becomes NAD+. a. phosphorylated; deaminated b. reduced; oxidized c. made; recycled d. phosphorylated; dephosphorylated e. oxidized; reduced Check Answer Right! Good job!

b

In which of the following reactions is acetylCOA the product? a. glycolysis b. kreb cycle c. beta-oxidation d. ketogenesis

c

Urea is formed in the ____. a. Liver b. Stomach c. Kidneys d. Small Intestine e. Large Intestine

c

Name a nutrient that is not broken down by hydrolysis in the GI tract? a. Water b. Vitamin c. Minerals d. All of the above

d

Sally decides to go on a hunger strike to further one of his favorite causes. After many days with nothing but water, you would not expect to observe a. elevated levels of glucocorticoids b. ketone bodies in his urine c. decreased blood pH d. increased insulin secretion e. all of the answers are correct

d

If 5 NADH and 2 FADH2 enter the eletron transport chain, how many ATP will result? a. 45 ATP b. 15 ATP c. 35 ATP d. 40 ATP e. 19 ATP Check Answer Right! Good job!

e

In order to determine the LDL level in a patient's blood, it is necesary to measure a. Total cholesterol level b. HDL level c. Triglyceride level d. triglyceride and monoglyceride levels e. total cholesterol level, HDL level, and triglyceride level.

e

If 12 FADH2 enter into the electron transport chain, 36 ATP are formed. True False

f, much much more

Conditions where no oxygen is available is known as "aerobic" coniditions. True False

false

When 5 AcetylCoA enter the Krebs cycle, 30 NADH are formed. True False

false 2acetyl- 2x3=--> 6 nadh 5acetyl--5x3-> 3---15Nadh

We would expect lipogenesis to occur during the postabsorptive state. True False

false, absorptive

Toxicity due to vitamin overdoses is more common for water-soluble vitamins than fat soluble vitamins. True False

false, common in fat soluble

If fructose is converted to glucose it is called gluconeogenesis. True False

false, fructose can't be converted---> glucose

The liver makes chylomicrons. True False

false, it's made in small intestine

Glycolysis requires only one enzyme to convert glucose to two pyruvic acid. True False

false, need many enzymes

If the doctor tells me my LDL level is elevated, I dont have to worry about plaque build up in my arteries. True False

false, u do have to worry---bad fat

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

Contains acini that secrete a watery fluid [mark all correct answers] a. Sublingual Gland b. Parotid Gland c. Pancreas d. Liver e. Gall Bladder

parotid gland and pancreas

Carbon dioxide is produced during the decarboxylation of pyruvic acid. True False

t

Cholesterol is made from AcetylCoA in the liver. True False

t

If glucose can not enter the cell, most cells will use fats for ATP production. True False

t

Anticipation of eating food causes an increase in secretion of gastric juice. This phase is known as the Cephalic Phase. True False

true

Carbon dioxide is produced during the Krebs cycle. True False

true

Coenzyme A is required for the decarboxylation of pyruvic acid. True False

true

Glucose is oxidized during cellular respiration. True False

true

Making glucose from the amino acid alanine would be called gluconeogenesis. True False

true

Overdoses of Vitamin A can occur resulting in nausea and hepatomegaly. True False

true

The liver is an intraperitoneal organ. True False

true

The liver makes bilirubin from the hemoglobin of red blood cells. True False

true

The pyruvic acid formed in glycolysis must move to the matrix of the mitochondrion to be decarboxylated. True False

true

When ATP is made in the electron transport chain, the process is called oxidative phosphorylation. True False

true


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