Download Instructions: Answer the question to the best of your ability. Utilize

Instructions: Answer the question to the best of your ability. Utilize your Power Point Notes.
Write the Questions on your OWN paper, and HIGHLIGHT your ANSWERS once you write them down.
You will TURN IN the completed Paper to the Substitute, it will be graded for ACCURACY. Choose your
answers wisely.
1.What term means:
a.Chewing:____________________
b.Swallowing:__________________
c.Gastric mixing movements: __________________
d.Ball of food formed in the mouth:__________________
e.Liquid paste formed by food and gastric juice:___________________
f.Wave-like smooth muscle contractions that move food: ____________________
2.Answer the following questions about the stomach:
a.The stomach connects to the esophagus at the:__________________
b.The stomach connects to the duodenum at the: ____________________
c.What part of the stomach acts as a temporary storage?_________________
d.The enzyme found in the stomach to digest protein is____________________ and it functions
best in an _______________environment which is due to the presence of _________________.
e.What part of the gastric juice helps to protect the lining of the stomach against erosion?
3. Answer the following questions about the pancreas:
a.The pancreas secrets bicarbonate ions to make a _______________environment.
b.The digestive enzymes are produced by the _______cells.
c.The hormones are produced by the __________ ____________.
d.Pancreatic juices flow through the pancreatic duct and into the __________________.
4.Answer the following questions about the gallbladder:
a.The gallbladder is located on the underside of the __________________.
b.The gallbladder concentrates and ________bile.
c.The bile flows through the ______________and into the small intestine where it __________fat.
d.The principle pigment(color) of bile is______________.
5.Name the 3 sections (in order from proximal to distal) of the SMALL INTESTINE.
a.
b.
c.
6.What are the 2 major functions of the small intestines?
1.
2.
7.Name the structures (in order from the right side to the left side) of the LARGE INTESTINE.
a.
b.
c.
d.
e.
8.List the 3 major functions of the large intestines:
1.
2.
3.
9. Trace the complete digestion of a peanut butter & jelly sandwich and a
glass of milk. Be sure to tell what enzymes are acting on the four
macromolecules making up the meal. Label the organs: stomach, esophagus,
transverse intestine, descending intestine, ascending intestine, liver,
gallbladder, colon, anus.
Chapter 24:
The Digestive System Multiple Choice (Arrange the bubbles in A,B,C, D format).
1.
Which of the following is NOT part of the digestive tract? [Hint]
esophagus
small intestine
liver
stomach
2.
Which of the following is NOT an accessory organ? [Hint]
teeth
large intestine
pancreas
liver
One, three, and four only are correct.
3.
Which of the following is a function of the digestive tract? [Hint]
ingestion
excretion
absorption
digestion
All of the above are correct.
4.
There are __________ major layers of the digestive tract. [Hint]
five
three
two
four
5.
From the outside in, the correct order of the layers of the digestive tract is [Hint]
mucosa, submucosa, muscularis externa, serosa.
muscularis externa, serosa, submucosa, mucosa.
submucosa, mucosa, serosa, muscularis externa.
serosa, muscularis externa, submucosa, mucosa.
6.
The inner lining of the digestive tract is the [Hint]
mucosa.
serosa.
submucosa.
muscularis externa.
7.
The movements of the muscularis externa are coordinated by the [Hint]
myenteric plexus.
sympathetic ganglia.
dorsal root ganglia.
suprarenal glands.
8.
Waves of smooth muscle contraction that propel materials along the digestive tract are called [Hint]
peristalsis.
plicae.
segmentation.
paralysis.
9.
The __________ cells coordinate rhythmic waves of smooth muscle contraction along the digestive
tract. [Hint]
pacesetter
Purkinje
pacemaker
sinoatrial node
10
.
Your digestive tract produces __________ hormones. [Hint]
18 or more
100
no
two or three
None of the above are correct.
11
.
The visceral peritoneum [Hint]
lines the peritoneal cavity.
covers organs in the peritoneal cavity.
attaches organs to the peritoneal wall.
One and three only are correct.
12
.
The mesenteries [Hint]
line the peritoneal cavity.
cover organs in the peritoneal cavity.
attach organs to the peritoneal wall.
One and three only are correct.
13
.
The fauces [Hint]
form the passage between the cheek and the teeth.
are the spaces between the oral cavity and oropharynx.
support the teeth.
All of the above are correct.
14
.
The floor of the mouth inferior to the tongue receives support from the __________ muscle. [Hint]
thyrohyoid
stylomastoid
geniohyoid
mylohyoid
15
.
There are __________ pairs of salivary glands opening into the oral cavity. [Hint]
four
five
three
two
16
.
Muscles of the tongue are controlled by the __________ nerve. [Hint]
hypoglossal (XII)
accessory (XI)
vagus (X)
glossopharyngeal (IX)
17
.
The attachment of teeth to the alveolus is called a [Hint]
gomphosis.
peristalsis.
symphysis.
diaphysis.
18
.
The outer layer of a tooth is called the [Hint]
enamel.
gingiva.
dentin.
alveolus.
19
.
Humans have __________ complete dentitions. [Hint]
five
two
three
four
20
.
Incisors are used for [Hint]
grinding.
clipping or cutting.
tearing.
crushing and mashing.
21
.
The large, crushing, grinding teeth found at the back of each dental arch are the [Hint]
incisors.
molars.
canines.
premolars.
22
.
The esophagus is about __________ long. [Hint]
2 feet
6 inches
18 inches
10 inches
23
Swallowing is [Hint]
.
voluntary.
involuntary.
begins voluntarily, but continues involuntarily.
One and two only are correct.
24
.
The esophagus is lined with [Hint]
smooth muscle.
simple cuboidal epithelium.
simple columnar epithelium.
nonkeratinized, stratified squamous epithelium.
25
.
Deglutition consists of __________ phases. [Hint]
three
five
two
four
26
.
Which of the following is a function of the stomach? [Hint]
the mechanical breakdown of food
the production of intrinsic factor
the emulsification of fats
One and two only are correct.
27
.
The fundus of the stomach [Hint]
surrounds the junction of the esophagus and stomach.
is the largest part of the stomach.
is the "J" curve of the stomach.
is superior to the junction of the esophagus and stomach.
28
.
The simple columnar epithelia that line the stomach have an average life expectancy of __________
days. [Hint]
14-32
8-14
3-7
2-3
29
.
Chief cells secrete [Hint]
intrinsic factor.
pepsinogen.
hydrochloric acid.
None of the above are correct.
30
.
When the stomach is empty, the mucosa is thrown into folds called [Hint]
crypts.
plicae circulares.
rugae.
taenia coli.
31
.
Gastric gland cells secrete [Hint]
intrinsic factor.
hydrochloric acid.
pepsinogen.
All of the above are correct.
32
.
Gastric activity can be divided into __________ phases. [Hint]
two
three
five
four
33
.
The cephalic phase of gastric activity is directed by [Hint]
the CNS.
the ANS.
hormones.
None of the above are correct.
34
.
The gastric phase lasts [Hint]
seconds.
hours.
days.
minutes.
35
.
The major hormone secreted during the gastric phase is [Hint]
acetylcholine.
gastric inhibitory peptide.
gastrin.
cholecystokinin.
36
.
The intestinal phase [Hint]
enhances secretion in the stomach.
prepares the stomach for food.
controls the rate at which chyme enters the intestine.
All of the above are correct.
37
.
The last section of the small intestine is the [Hint]
jejunum.
colon.
ileum.
duodenum.
38
.
The first section of the small intestine is the [Hint]
duodenum.
ileum.
jejunum.
rectum.
39
.
The human small intestine averages __________ feet in length. [Hint]
20
30
10
6
40
.
The wall of the small intestine bears a series of folds called the [Hint]
taenia coli.
crypts of Lieberkuhn.
plicae circulares.
rugae.
41
.
Each intestinal villus contains a lymphoid capillary called a [Hint]
lacteal.
galactose.
portal.
goblet cell.
42
.
The duodenum differs from the rest of the small intestine in that its submucosa contains many
__________ that secrete mucus. [Hint]
myenteric plexi
mesenteries
Brunner's glands
intestinal crypts
43
.
The gastroenteric reflex stimulates motility [Hint]
along a few inches.
along a few feet.
along the entire length of the small intestine.
One and two only are correct.
44
.
The ileum [Hint]
is the terminal end of the small intestine.
has 20–30 lymphoid nodules.
lacks plicae.
All of the above are correct.
45
.
The jejunum [Hint]
secretes gastrone.
absorbs most nutrients.
has many submucosal glands.
All of the above are correct.
46
.
Sympathetic stimulation [Hint]
inhibits submucosal glands.
stimulates peristalsis.
stimulates submucosal glands.
None of the above are correct.
47
.
The exocrine secretions of the pancreas drain through __________ duct(s). [Hint]
one
three
two
four
48
.
The pancreatic duct joins the __________ to drain into the duodenum. [Hint]
portal vein
common bile duct
accessory duct
parotid duct
49
.
Pancreatic islets account for about __________ percent of the mass of the pancreas. [Hint]
20
10
30
1
50
.
Pancreatic juice is [Hint]
neutral.
alkaline.
acidic.
different, depending upon diet.
51
.
Pancreatic juice contains [Hint]
lipase.
carbohydrase.
proteases.
All of the above are correct.
52
.
The typical adult liver weighs about [Hint]
2.5 kg.
1500 g.
3 kg.
150 g.
53
.
The human liver has __________ lobe(s). [Hint]
two
one
three
four
54
.
Liver cells, or hepatocytes, receive blood from the [Hint]
hepatic artery.
hepatic portal vein.
splenic artery.
left gastric artery.
One and two only are correct.
55
.
Each portal area contains a branch of the [Hint]
hepatic artery.
bile duct.
hepatic portal vein.
All of the above are correct.
56
.
Each lobule has __________ portal triads and __________ central vein(s). [Hint]
6, 1
3, 1
6, 2
3, 2
57
.
Bile is secreted into narrow channels called __________ between adjacent liver cells. [Hint]
canaliculi
capillaries
Kupffer cells
sinusoids
58
.
The liver has more than __________ functions. [Hint]
200
1000
10
50
59
.
Which of the following is a function of the liver? [Hint]
vitamin storage
drug inactivation
amino acid metabolism
mineral storage
All of the above are correct.
60
.
Bile functions in digestion as a(n) [Hint]
remover of toxins.
enzyme.
All of the above are correct.
emulsifier.
61
.
Bile secretion occurs __________, but bile release occurs __________. [Hint]
only when CCK is secreted, continuously
continuously, continuously
sporadically, continuously
continuously, only when CCK is secreted
62
.
Cholecystokinin [Hint]
reduces hunger.
stimulates production of pancreatic enzymes.
inhibits gastric secretion and motility.
stimulates secretion of the gallbladder
All of the above are correct.
63
.
The regions of the large intestine include the [Hint]
rectum.
colon.
cecum.
All of the above are correct.
64
.
The cecum is [Hint]
where the ileum empties into the large intestine.
a blunt-ended pouch.
where the appendix attaches.
All of the above are correct.
65
.
The pouches of the colon are called the [Hint]
taenia coli.
haustra.
epiploic appendages.
None of the above are correct.
66
.
The longitudinal ribbons of smooth muscle that run the length of the colon are called the [Hint]
haustra.
epiploic appendages.
renal columns.
taenia coli.
67
.
The muscles of the external anal sphincter are [Hint]
skeletal muscles.
smooth muscles.
involuntary muscles.
One and two only are correct.
Two and three only are correct.
68
.
The defecation reflex [Hint]
involves long and short reflexes.
involves two positive feedback loops.
is entirely involuntary.
All of the above are correct.
One and two only are correct.
69
.
The large intestine absorbs which of the following vitamins from colonic bacteria? [Hint]
vitamin K
vitamin B5, or pantothenic acid
biotin
All of the above are correct.
70
.
One of the major functions of the large intestine is the [Hint]
All of the above are correct.
absorption of amino acids.
absorption of water.
secretion of salts.
71
.
Carbohydrates are digested in the [Hint]
mouth.
stomach.
small intestine.
colon.
One and three only are correct.
72
.
Proteins are digested in the [Hint]
mouth.
stomach.
small intestine.
colon.
Two and three only are correct.
None of the above are correct.
73
.
Nutrients are absorbed in the small intestine by the process of [Hint]
facilitated diffusion.
cotransport.
diffusion.
All of the above are correct.
74
.
Fat soluble vitamins move across the intestinal mucosa by [Hint]
facilitated diffusion.
diffusion.
active transport.
cotransport.
All of the above are correct.
75
.
Vitamin B12 is absorbed by [Hint]
cotransport.
diffusion.
active transport.
facilitated diffusion.