Module 3 Sample Test Flashcards
The wavelike contractions that move food through the digestive tract are called A. deglutition B. peristalsis C. mucus D. absorption
B - peristalsis
Which peritoneal modification supports the stomach? A. mesentery B. falciform ligament C. lesser omentum D. mesocolon
C - lesser omentum
The pyloric sphincter is found between the A. duodenum and jejunum B. ileum and cecum C. stomach and esophagus D. stomach and duodenum
D - stomach & duodenum
Which of the following are part of the digestive system, but are not part of the digestive tract? A. duodenum, jejunum, esophagus B. liver, gallbladder, pancreas C. stomach, pharynx, ileum D. mouth, pharynx, rectum
B - Liver, gallbladder, pancreas
The pancreas is stimulated to release its secretions by A. gastrin B. CCK C. secretin D. amylase
B - CCK
C - Secretin
The digestion of food is completed in the A. stomach B. large intestine C. small intestine D. cecum
C - Small intestine
Gastric glands increase their secretory activity in response to a hormone released from the A. duodenum B. stomach C. pancreas D. hypothalamus
B - stomach (gastrin is released)
Which organ is found retroperitoneal? A. stomach B. gall bladder C. pancreas D. esophagus
C - pancreas
9. Digestion begins in the A. stomach B. oral cavity C. duodenum D. esophagus
B - oral cavity
What are the names of the three sections of the small intestine? A. cardia, pylorus, fundus B. jejeunum, cardia, ileum C. pylorus, ileum, colon D. duodenum, jejunum, ileum
D - duodenum, jejunum, ileum
The final products of carbohydrate digestion are A. amino acids B. fatty acids and glycerol C. monosaccharides D. peptides
C - monosaccharides
Absorption of nutrients occurs primarily in the A. stomach B. small intestine C. colon D. pancreas
B - small intestine
Which hormone stimulates contraction of the gallbladder to release bile? A. cholecystokinin B. gastrin C. trypsin D. secretin
A - Cholecystokinin (CCK)
During the act of deglutition
A. food moves from the mouth to the esophagus
B. salivary glands are stimulated to secrete more saliva
C. deciduous teeth are replaced by permanent ones
D. food is thoroughly mixed by the stomach
A - food moves from the mouth to the esophagus
Which statement best describes villi? A. folds of the serosa of the stomach B. folds of the mucosa of the small intestine C. folds of the large intestine D. folds of the mucosa of the stomach
B - folds of the mucosa of the small intestine
The thought or smell of food initiates which phase of stomach secretion and motility? A. colonic B. cephalic C. gastric D. intestinal
B - cephalic
The ducts of the pancreas and liver connect to the digestive tract at the A. duodenum B. esophagus C. pylorus of the stomach D. ileum
A - duodenum
Peptidase is an enzyme that acts on A. proteins B. fats C. carbohydrates D. bile
A - proteins
The purpose of the bicarbonate ions is
A. to neutralize acid entering the stomach
B. to stimulate the action of maltase
C. to neutralize the acid entering the duodenum
D. to aid in bile emulsification
C - to neutralize the acid entering the duodenum
Most carbohydrate digestion takes place in the A. oral cavity B. stomach C. small intestine D. large intestine
C - small intestine
Non-essential amino acids are those that A. cannot be synthesized by humans in adequate amounts B. can be synthesized by humans C. are necessary only in trace amounts D. are needed in large quantities daily
B - can be synthesized by humans
In fatty acid metabolism, which molecule is modified to enter at the Kreb’s cycle? A. phospholipid B. ketone bodies C. fatty acid D. glycerol
C - fatty acid
Body temperature is ultimately regulated by the A. skin B. hypothalamus C. medulla D. exercise
B - hypothalamus
The function of LDLs is to
A. transport triglyerides from adipose cells to the liver
B. transport triglycerides to hepatocytes
C. deliver cholesterol in blood to cells throughout the body
D. pick up excess cholesterol from body cells and the blood and return it to the liver
C - deliver cholesterol in blood to cells throughout the body
An example of anabolism is the A. glycogenolysis B. glycolysis C. protein synthesis D. beta oxidation
C - protein synthesis
The major regulator of BMR is A. the hypothalamus B. diet C. thyroid hormone D. exercise
A - hypothalamus
C - thyroid hormone
The transfer of heat between fluids of different temperatures is A. radiation B. conduction C. convection D. evaporation
C - convection
When a pyrogen resets the body thermostat to a higher temperature, you will experience A. shivering B. hypothermia C. hot flashes D. sweating
A - shivering
The majority of fat in the body is stored in fat cells located A. subcutaneously B. around the heart C. in the greater omentum D. around the kidneys
A - subcutaneously
An increase in urea in the blood would indicate an increase in the breakdown of A. glucose B. amino acids C. fatty acids D. glycerol
B - amino acids
Before amino acids can enter the Krebs cycle, they must undergo A. lipolysis B. beta oxidation C. deamination D. glycolysis
C - Deamination
The main hormone that is active during the absorptive state is A. insulin B. glucagon C. thyroid hormone D. cortisol
A - insulin
During the absorptive state, glucose is
A. deaminated and used as an energy source
B. stored by the small intestine for later use
C. used for ATP production
D. used for gluconeogensis
C - used for ATP production
Glucagon stimulates A. glycolysis B. glycogenesis C. lipogenesis D. glycogenolysis
D - glycogenolysis
