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BIOL G220 Unit 5 Lecture Exam Review B
Test Description: Digestive system part
Instructions: Answer all questions to get your test result.
1) like most things in anatomy, the digestive system is divided into two main anatomical/functional components
A
the pinophagic and the phagophagic digestive systems
B
the upper digestive tract and the lower digestive tract
C
the mechanical and the chemical digestive tracts
D
the gastrointestinal tract and accessory organs
2) the main goal of mechanical digestion is to
A
break long molecules into smaller ones
B
increase surface area
C
mix incoming food with water so it moves more smoothly
D
rupture cells so their contents spill out
3) the primary agents of chemical digestion are
A
intestinal villi
B
stomach ruggae
C
digestive enzymes
D
bile salts
4) 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
nuclear digestion; plutonium and uranium glands
C
intake and storage of water; urinary and gall bladders
D
nitrogenous waste elimination; liver and spleen
5) 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
conduction; motivation; mutiplication
B
propulsion; peristalsis; segmentation
C
flocculation; effluence; transsubstantiation
D
peristalsis; propulsion; intercalation
6) The lining of the oral cavity is called _____ and contains _______
A
oral adventitia; stratified columnar epithelium
B
oral mesentery; fenestrated capllaries
C
oral mucosa; stratified squamous epithelium
D
oral serosa; stratified cuboidal epithelium
7) The tongue, hard palate, and associated gingiva feature some _____ mucosa, which is ____ because it participates in ___
A
masticatory, keratinized, mechanical digestion
B
smooth, lamina propria, sound production
C
lining, non-keratinized, gustation
D
glandular, secretory, chemical digestion
8) along with the posterior soft palate, the depending ____ helps to
A
palatine tonsil, entry of foreign invaders into the respiratory/ digestive system
B
frenulum, shape sounds for phonation, intonation, and apoctopi
C
epiglottis, block entry of food, water, etc. into the nasopharyx
D
uvula, block entry of food, water, etc. into the nasopharyx
9) the three ducted salivary glands, the submandibular, the sublingual, and the _____ produce saliva containing the enzyme____, which breaks down___
A
subclavian; pectinase; glyogen
B
parotid; amylase; carbohydrates
C
supramaxillary; peptidase; proteins
D
retropharyngeal; aminase; nucleic acids
10) 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
embedded, tonsillar ionase, salts
B
mucosal, peptidase, proteins
C
intrinsic, lingual lipase, lipids
D
monstrous, pandemonial synthase; the natural order
11) in going from childhood to adulthood, the ____ teeth of humans are replaced by _____ teeth in a(n) ______ direction over time
A
latent, permanent, medial to lateral
B
deciduous, permanent, anterior to posterior
C
primary, secondary, totally random
D
seminal, terminal, superior to inferior
12) 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
trachea, diaphragmatic hillus, amalgam
C
oesophagus, oesophageal meatus of the diaphragm, chyme
D
duodenum, pyloric sphincter, conglomerate
13) of the esophageal sphincters, the ___ sphincter ___ to allow deglutition, while the _____ sphincter ____ to prevent reguritation
A
pharyngeal; closes- gastric; opens
B
anterior; opens- posterior; closes
C
superior; opens- inferior; closes
D
pyloric; closes- duodenal; opens
14) the muscular layer, aka _____ of the stomach has 3 layers, the ___, ____, and ___
A
muscularis; transverse, longitudinal, oblique
B
muscularis; longitudinal, circular, oblique
C
muscularis; transverse, circumvex, rectus
D
muscularis; endomyium, mesomyium, perimyium
15) the inner lining of the stomach contains numerous____ that contain ____ with 4 types of cells that secrete acid and various ____
A
gastric ducts; gastric patches; pancreatic juices
B
gastric protuberances; pyloric cells; mucous secretions
C
gastric pits; gastric glands; digestive enzymes
D
gastric involvements; gastric proliferates; gastric hormones
16) from proximal to distal, the structures of the small intestine are
A
duodenum, cecum, appendix
B
jejunum, duodenum, cecum
C
duodenum, jejunum, illium
D
illium, jejunum, duodenum
17) the primary function of the large intestine would be
A
absorption of slow digesting nutrients, like proteins
B
digestion of slow digesting substances, like cellulose
C
re absorption of water
D
adding water to the feces so it can be eliminated
18) 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
19) bile is stored in the
A
urinary bladder
B
pancreatic bladder
C
spleen
D
gall bladder
20) the bile and pancreatic ducts, which carry ___ and ___ from the gall bladder and pancreas, respectively, constitute the ___ which drains into the ___ through the
A
mucus, gastric juices, fimbrial plexus, jejunum
B
cristae, microconniculae, intrinsic plexomedulla, celiac entrailia
C
chymatic fluid, isulin, pacreatobilial process, gastroilliac juncture
D
bile, pancreatic juices, biliary apparatus, duodenum, hepatopancreatic ampulla
*select an answer for all questions
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