BIOL G220 Unit 5 Lecture Exam Review B Question Preview (ID: 34292)


Digestive System Part. TEACHERS: click here for quick copy question ID numbers.

the muscular layer, aka _____ of the stomach has 3 layers, the ___, ____, and ___
a) muscularis; longitudinal, circular, oblique
b) muscularis; endomyium, mesomyium, perimyium
c) muscularis; transverse, circumvex, rectus
d) muscularis; transverse, longitudinal, oblique

of the esophageal sphincters, the ___ sphincter ___ to allow deglutition, while the _____ sphincter ____ to prevent reguritation
a) superior; opens- inferior; closes
b) pharyngeal; closes- gastric; opens
c) anterior; opens- posterior; closes
d) pyloric; closes- duodenal; opens

a muscular tube called the____ connects the oropharynx to the stomach, passing through the ___ while carrying a lump of swallowed material referred to in all instances as a _____
a) esophagus, esophageal hiatus of the diaphragm, bolus
b) oesophagus, oesophageal meatus of the diaphragm, chyme
c) trachea, diaphragmatic hillus, amalgam
d) duodenum, pyloric sphincter, conglomerate

in going from childhood to adulthood, the ____ teeth of humans are replaced by _____ teeth in a(n) ______ direction over time
a) deciduous, permanent, anterior to posterior
b) seminal, terminal, superior to inferior
c) latent, permanent, medial to lateral
d) primary, secondary, totally random

in addition to the three ducted salivary glands, parts of the oral cavity contain unicellular _____ salivary glands, which produce the enzyme ______ that breaks down _____
a) intrinsic, lingual lipase, lipids
b) mucosal, peptidase, proteins
c) embedded, tonsillar ionase, salts
d) monstrous, pandemonial synthase; the natural order

along with the posterior soft palate, the depending ____ helps to
a) uvula, block entry of food, water, etc. into the nasopharyx
b) epiglottis, block entry of food, water, etc. into the nasopharyx
c) palatine tonsil, entry of foreign invaders into the respiratory/ digestive system
d) frenulum, shape sounds for phonation, intonation, and apoctopi

the three ducted salivary glands, the submandibular, the sublingual, and the _____ produce saliva containing the enzyme____, which breaks down___
a) parotid; amylase; carbohydrates
b) subclavian; pectinase; glyogen
c) supramaxillary; peptidase; proteins
d) retropharyngeal; aminase; nucleic acids

regular contractions of intestinal tubes produces movement called ____; ___ if it is unidirectional, ___ if it goes back and forth and mixes things up quite a bit
a) propulsion; peristalsis; segmentation
b) peristalsis; propulsion; intercalation
c) conduction; motivation; mutiplication
d) flocculation; effluence; transsubstantiation

The tongue, hard palate, and associated gingiva feature some _____ mucosa, which is ____ because it participates in ___
a) masticatory, keratinized, mechanical digestion
b) lining, non-keratinized, gustation
c) smooth, lamina propria, sound production
d) glandular, secretory, chemical digestion

The lining of the oral cavity is called _____ and contains _______
a) oral mucosa; stratified squamous epithelium
b) oral serosa; stratified cuboidal epithelium
c) oral adventitia; stratified columnar epithelium
d) oral mesentery; fenestrated capllaries

the inner lining of the stomach contains numerous____ that contain ____ with 4 types of cells that secrete acid and various ____
a) gastric pits; gastric glands; digestive enzymes
b) gastric protuberances; pyloric cells; mucous secretions
c) gastric ducts; gastric patches; pancreatic juices
d) gastric involvements; gastric proliferates; gastric hormones

the primary agents of chemical digestion are
a) digestive enzymes
b) intestinal villi
c) stomach ruggae
d) bile salts

in addition to mechanical and chemical digestion, the GI tract also performs the all-important ___ function, aided by both ____ and ____
a) absorption; blood and lymph vessels
b) nitrogenous waste elimination; liver and spleen
c) intake and storage of water; urinary and gall bladders
d) nuclear digestion; plutonium and uranium glands

like most things in anatomy, the digestive system is divided into two main anatomical/functional components
a) the gastrointestinal tract and accessory organs
b) the upper digestive tract and the lower digestive tract
c) the pinophagic and the phagophagic digestive systems
d) the mechanical and the chemical digestive tracts

the main goal of mechanical digestion is to
a) increase surface area
b) break long molecules into smaller ones
c) rupture cells so their contents spill out
d) mix incoming food with water so it moves more smoothly

from proximal to distal, the structures of the small intestine are
a) duodenum, jejunum, illium
b) illium, jejunum, duodenum
c) jejunum, duodenum, cecum
d) duodenum, cecum, appendix

the primary function of the large intestine would be
a) re absorption of water
b) absorption of slow digesting nutrients, like proteins
c) digestion of slow digesting substances, like cellulose
d) adding water to the feces so it can be eliminated

in the pancreas, ___ cells secrete _____, a combination of digestive enzymes and ___, which helps digest food and
a) ancinar, pancreatic juices, bicarbonate- neutralize acid
b) islet, insulin, pancreatin- stabilize lipids
c) goblet, mucus, fibrin- ease the passage of chyme through the intestine
d) hepatopancreatic, bile, solubilize lipids

bile is stored in the
a) gall bladder
b) urinary bladder
c) pancreatic bladder
d) spleen

the bile and pancreatic ducts, which carry ___ and ___ from the gall bladder and pancreas, respectively, constitute the ___ which drains into the ___ through the
a) bile, pancreatic juices, biliary apparatus, duodenum, hepatopancreatic ampulla
b) mucus, gastric juices, fimbrial plexus, jejunum
c) chymatic fluid, isulin, pacreatobilial process, gastroilliac juncture
d) cristae, microconniculae, intrinsic plexomedulla, celiac entrailia

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