Test 4 kill meh

Question 1

gastrointestinal (GI) tract

Answer 1

tube that extends from mouth to anus

includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus

Question 2

functions of the GI tract

Answer 2

digestion
absorption
elimation of wastes

Question 3

digestion

Answer 3

process of breaking down food into small fragments

Question 4

two types of digestion

Answer 4

mechanical and chemical

Question 5

absorption

Answer 5

water and food molecules pass through to GI lymphatics and blood vessels

Question 6

accessory digestive organs

Answer 6

not part of GI tract but assist with digestion

tongue, teeth, salivary glands, liver, gallbladder, pancreas

Question 7

abdominopelvic cavity is lined by ____

Answer 7

peritoneum (serious membrane)

Question 8

tissue that lines abdominal wall

Answer 8

parietal peritoneum

Question 9

tissues that covers abdominal organs

Answer 9

visceral peritoneum

Question 10

peritoneal cavity

Answer 10

between the visceral and parietal peritoneum

Question 11

parasympathetic system____ GI tract activity

Answer 11

stimulates

Question 12

sympathetic system ____ GI tract activity

Answer 12

inhibits

Question 13

tissue of oral cavity

Answer 13

nonkeratinized stratified squamous epithelium

Question 14

types of teeth

Answer 14

incisors, canines, premolars, molars

Question 15

number of incisors

Answer 15

2/quadrant

Question 16

number of canines

Answer 16

1/quadrant

Question 17

number of premolars

Answer 17

2/quadrant

Question 18

number of molars

Answer 18

3/quadrant

Question 19

tongue tissue

Answer 19

covered by skeletal muscle and stratified squamous epithelium

Question 20

innervation of tongue

Answer 20

motor = CN XII
Taste = CN VII
Sensory = CN V
taste and texture anterior = CN IX

Question 21

upper part of the oral cavity

Answer 21

palate

Question 22

two parts of the palate

Answer 22

hard palate
soft palate
(uvula)

Question 23

hard palate

Answer 23

anterior 2/3 of palate - bony

Question 24

soft palate

Answer 24

posterior 1/3 - formed from skeletal muscle

Question 25

function of soft palate and uvula

Answer 25

rises to close off nasopharynx when we swallow

Question 26

3 pairs of salivary glands

Answer 26

parotid, submandibular, sublingual glands

they secrete saliva - shocker

Question 27

5 functions of saliva

Answer 27

1. dissolves food molecules so they can be tasted
2. moistens food, aids in compacting it into bolus
3. cleanses mouth
4. chemical digestion of carbohydrates (with salivary amylase)
5. lysozyme and antibodies in saliva and inhibit bacterial growth in mouth

Question 28

pharynx

Answer 28

throat

muscular tube that connects nasal cavity and mouth to larynx and esophagus

Question 29

function of pharynx

Answer 29

this skeletal muscle helps us “voluntarily” propel stuff from the mouth into the esophagus (voluntary swallowing)

Question 30

two pharynx parts that conduct both food and air

Answer 30

oropharynx and laryngopharynx

Question 31

4 tunics of the GI tract

Answer 31

mucosa
submucosa
muscularis
serosa or adventitia

Question 32

mucosa

Answer 32

innermost tunic

Question 33

3 layers of mucosa

Answer 33

epithelium
lamina propria (areolar CT)
muscularis Mucosae (thin layer of smooth muscle)

Question 34

submucosa

Answer 34

connective tissue

contains major blood vessels

Question 35

muscularis

Answer 35

typically contains two layers of smooth muscles

responsible for peristalsis

Question 36

two layers of muscularis

Answer 36

inner circular layer

outer longitudinal layer

Question 37

peristalsis

Answer 37

alternate waves of contraction and relaxation

Question 38

serosa or adventitia

Answer 38

outermost layer

Question 39

serosa

Answer 39

visceral peritoneum + areolar CT

Question 40

adventitia

Answer 40

areolar CT only

Question 41

function of esophagus

Answer 41

propel food to the stomach

Question 42

gross anatomy of esophagus

Answer 42

muscular tube that connects pharynx to stomach