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Hole's Human Anatomy & Physiology, 9/e

David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Digestive System

Multiple Choice Quiz

Please answer all questions


1	Which gastrointestinal layer is characterized by having tough, fibrous connective tissue?
		A)	mucosa
		B)	submucosa
		C)	muscle
		D)	serosa


2	Which intestinal layer accounts for the action of the peristaltic waves?
		A)	serosa
		B)	muscularis
		C)	submucosa
		D)	mucous


3	The alimentary tube is around _____ meters long.
		A)	2
		B)	4
		C)	6
		D)	9


4	The _____ nervous system division usually stimulates and promotes digestion.
		A)	somatic
		B)	sympathetic
		C)	central
		D)	parasympathetic


5	The processes of chewing are referred to as _____.
		A)	churning
		B)	mastication
		C)	peristalsis
		D)	deglutition


6	The frenulum is the membrane attached to the inferior surface of the _____.
		A)	tongue
		B)	stomach
		C)	lips
		D)	liver


7	The following are true of the tongue except which one?
		A)	contains skeletal muscle
		B)	attaches to hyoid bone
		C)	attaches to temporal bone
		D)	contains papillae


8	The following areas contain tonsils except which one?
		A)	around the frenulum
		B)	oral pharynx
		C)	nasal pharynx
		D)	root of tongue


9	Which lymphatic areas are most commonly the site of inflammation?
		A)	Peyer's patches
		B)	palatine tonsils
		C)	lingual tonsils
		D)	adenoids


10	How many teeth will be produced in an average lifetime?
		A)	20
		B)	32
		C)	30
		D)	52


11	The term wisdom tooth refers to the _____ tooth.
		A)	incisor
		B)	third molar
		C)	second bicuspid
		D)	first cuspid


12	The portion of a tooth which lies within the mandible socket is called the _____.
		A)	dentin
		B)	crown
		C)	root
		D)	cementum


13	Which part of a tooth most closely resembles bone tissue?
		A)	enamel
		B)	cementum
		C)	dentin
		D)	gingiva


14	Which muscles constrict to prevent air from entering the esophagus during breathing?
		A)	superior constrictor
		B)	middle constrictor
		C)	inferior constrictor
		D)	esophageal


15	A hiatal hernia is a weakness in the _____ muscle, which allows a portion of the digestive tract to enter the thoracic cavity.
		A)	diaphragm
		B)	stomach
		C)	intestinal
		D)	thoracic wall


16	The _____ part of the stomach is the area the is connected to the esophagus.
		A)	cardiac
		B)	pyloric
		C)	fundus
		D)	body


17	The _____ prevents food from entering the small intestine.
		A)	cardiac sphincter
		B)	pyloric valve
		C)	ileo-colic valve
		D)	sphincter of Oddi


18	Gastric enzymes are secreted by the _____ cells.
		A)	chief
		B)	goblet
		C)	parietal
		D)	oxyntic


19	Proteins are digested or broken down by the _____ in the stomach.
		A)	pepsinogen
		B)	pepsin
		C)	hydrochloric acid
		D)	lipase


20	Parasympathetic stomach impulses cause all of the following except which one?
		A)	secretion of somatostatin
		B)	inhibition of somatostatin
		C)	secretion of gastrin
		D)	promotes histamine


21	Gastrin secretion will stop when the stomach pH reaches _____.
		A)	7.0
		B)	4.5
		C)	1.5
		D)	3.0


22	The alkaline tide occurs when _____ is excreted into the urine.
		A)	HCl
		B)	H+
		C)	bicarbonate ions
		D)	phosphate ions


23	What is the stimulus for cholecystokinin release?
		A)	chyme
		B)	lipids
		C)	protein
		D)	gastrin


24	What blocks pancreatic secretions from entering the duodenum?
		A)	pyloric valve
		B)	sphincter of Oddi
		C)	the common bile duct
		D)	cholecystokinin secretion


25	Which of the following triggers the formation of the others?
		A)	trypsin
		B)	enterokinase
		C)	carboxypeptidase
		D)	chymotrypsin


26	Proteins are split by all of the following pancreatic factors except which one?
		A)	zymogen
		B)	chymotrypsin
		C)	trypsin
		D)	carboxypeptidase


27	Pancreatitis is mainly the result of _____ activity.
		A)	bile
		B)	bacterial
		C)	carboxypeptidase
		D)	trypsin


28	Which of the following are not active in the duodenum?
		A)	nuclease
		B)	enterokinase
		C)	pepsin
		D)	amylase


29	Secretin from the duodenum causes the pancreas to produce secretions rich in _____.
		A)	proteolytic enzymes
		B)	amylase
		C)	lipase
		D)	bicarbonate


30	Which of these is a hormone name?
		A)	trypsin
		B)	ribonuclease
		C)	cholecystokinin
		D)	chymotrypsinogen


31	The hormone which causes the pancreas to secrete an enzyme rich fluid is _____.
		A)	cholecystokinin
		B)	secretin
		C)	enterogastrone
		D)	enterocrinin


32	Which organ has the most metabolically active cells?
		A)	pancreas
		B)	liver
		C)	stomach
		D)	small intestine


33	Urea is synthesized by the liver following _____ metabolism.
		A)	carbohydrate
		B)	protein
		C)	lipid
		D)	nucleic acid


34	Ferritin is a globular protein that transports and stores ______ in the liver and blood.
		A)	glycogen
		B)	lipids
		C)	vitamin B12
		D)	iron


35	Which of the following vitamins is not stored in the liver?
		A)	C
		B)	D
		C)	B12
		D)	A


36	The liver stores ______ for energy.
		A)	nucleic acids
		B)	glycogen
		C)	glucose
		D)	vitamins


37	Which of the following is not a function of the adult liver?
		A)	glycogen storage
		B)	detoxification
		C)	synthesis of clotting proteins
		D)	erythropoiesis


38	The liver contains special blood channels termed _____.
		A)	sinusoids
		B)	central vein
		C)	hepatic cells
		D)	portal veins


39	The falciform ligament separates the right from _____ lobe.
		A)	quadrate
		B)	left
		C)	caudate
		D)	pancreatic


40	Which organ produces and secretes bile?
		A)	liver
		B)	gallbladder
		C)	pancreas
		D)	duodenum


41	The Kupffer cells are phagocytic cells found in the _____.
		A)	gallbladder
		B)	pancreas
		C)	intestine
		D)	liver


42	The buildup of bile pigment in tissues that can be caused by gallstones is _____.
		A)	hyperbilirubinemia
		B)	obstructive jaundice
		C)	hepatitis
		D)	hepatocellular jaundice


43	Which of the following are liver waste products?
		A)	bilirubin
		B)	bile salts
		C)	cholesterol
		D)	electrolytes


44	The _____ duct directly receives the fluids from the gallbladder.
		A)	cystic
		B)	common bile
		C)	hepatic
		D)	common hepatic


45	The common bile duct is formed by the merger of the hepatic and _____ ducts.
		A)	common hepatic
		B)	cystic
		C)	pancreatic
		D)	Santorini


46	The ampulla of Vater is the area that joins the common bile duct to the _____ duct.
		A)	hepatic
		B)	pancreatic
		C)	cystic
		D)	common hepatic


47	Gallbladder stones are medically referred to as a _____ condition.
		A)	cholecystitis
		B)	cholecystectomy
		C)	cholelithiasis
		D)	cholesterol calculi


48	Bile facilitates digestion by causing the _____ of fats.
		A)	hydrolysis
		B)	digestion
		C)	catalysis
		D)	emulsification


49	Bile salts combine with fatty acids to form complexes called _____ that facilitate absorption.
		A)	chylomicrons
		B)	micelles
		C)	globules
		D)	lipoproteins


50	Which of these is a water soluble vitamin?
		A)	D
		B)	C
		C)	E
		D)	K


51	Which of the following acts to inhibit acid production?
		A)	secretin
		B)	somatostatin
		C)	cholecystokinin
		D)	gastrin


52	Which area has the greatest amount of enzyme activity?
		A)	duodenum
		B)	colon
		C)	jejunum
		D)	ileum


53	The shortest section of the intestines is the _____.
		A)	colon
		B)	duodenum
		C)	ileum
		D)	jejunum


54	The membrane that hangs like an apron over the intestines is the _____.
		A)	mesentery
		B)	visceral peritoneum
		C)	parietal peritoneum
		D)	greater omentum


55	The finger-like extensions inside the small intestine are called _____ and increase the surface area.
		A)	microvilli
		B)	villi
		C)	lacteals
		D)	lumens


56	The _____ are vessels that project into the villi and absorb fatty substances.
		A)	lacteals
		B)	lymphatics
		C)	veins
		D)	arteries


57	The following belong together except which one?
		A)	small intestine
		B)	large intestine
		C)	plicae circulares
		D)	crypts of Lieberkuhn


58	Which of these does not belong with the others?
		A)	lipase
		B)	sucrase
		C)	maltase
		D)	lactase


59	Which is the only area that can digest a double sugar?
		A)	jejunum
		B)	stomach
		C)	duodenum
		D)	pancreas


60	Amylase could be found in all of these areas except which one?
		A)	mouth
		B)	stomach
		C)	duodenum
		D)	pancreas


61	Most of the absorption of nutrients occurs in the _____.
		A)	colon
		B)	duodenum
		C)	jejunum
		D)	ileum


62	Fatty acids and glycerol are released when _____ are broken down by liver or muscle cells.
		A)	micelles
		B)	chylomicrons
		C)	lacteals
		D)	lipoproteins


63	Which of the following is not readily absorbed in the small intestine?
		A)	Na+
		B)	Cl-
		C)	K+
		D)	Mg++


64	The ileocecal valve prevents chyme from entering the _____.
		A)	large intestine
		B)	small intestine
		C)	stomach
		D)	duodenum


65	A peristaltic rush which results in a failure to absorb enough colon water results in _____.
		A)	constipation
		B)	diarrhea
		C)	cramps
		D)	flatus

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