Psio Quiz 8

Question 1

What are the 3 types of tooth and their function?

Answer 1

Molars: grind
Premolar: crush and grind
Canine: tear
Incisors: cut

Question 2

What is the anatomy of the tooth ?

Answer 2

Enamel
Dentin
Pulp cavity
Cementum
Periodontal ligament
Apical foramen

Question 3

What are the 3 salivary glands?

Answer 3

Paranoid
Submandibular
Sublingual

Question 4

What are the 2 types of salivary glands?

Answer 4

Intrinsic (minor)— all throughout mouth to keep it moist
Extrinsic (major) —3 glands outside of mouth

Question 5

What is the role of the esophagus and a distinct sphincter?

Answer 5

Upper esophageal sphincter: keeps excess air out and regulates swallow reflex
Lower esophageal sphincter: prevents reflux of the stomach

Question 6

What are the 3 layers of the stomach from deep to superficial?

Answer 6

Longitudinal
Circular
Oblique

Question 7

What is gastric rugae?

Answer 7

Increases the surface area of the stomach to absorb more nutrients

Question 8

What are the 3 cells of salivary glands ?

Answer 8

Secretory
Mucous
Duct

Question 9

What are the 3 secretions of the stomach?

Answer 9

Enzymes
Acid
Mucus

Question 10

What are the 3 regions of the stomach?

Answer 10

Cardia
Fundus
Body
Pyloric atrium and canal

Question 11

What is the role of the pyloric sphincter?

Answer 11

Keeps contents in stomach until liquified and regulates the release of chyme

Question 12

What are the cell types of the gastric glands? Functions?

Answer 12

Mucous
Stem cells
Parietal cells— release acid
Cheif cells—release enzymes
Enteroendocrine cells— releases gastric into blood

Question 13

What type of tissue is the stomach made out of ?

Answer 13

Simple columnar epithelium.

Question 14

What are the 3 layers of the digestive tract?

Answer 14

Mucosa
Epithelium
Laminate propria
Muscularis mucosae
Submucosa
Muscularis externa
Inner circular
Outer longitudinal
Serosa

Question 15

What are the 2 stomach plexus?

Answer 15

Myenteric
Submucsoal

Question 16

What are the 2 serous membranes?

Answer 16

Parietal peritoneum
Visceral peritoneum

Question 17

What are the peritoneal folds?

Answer 17

Messentary: holds sm intestine
Mesocolon: holds lg intestine
Falciform ligament
Greater and lesser omentum

Question 18

What are the pancreas role in the digestive system?

Answer 18

Secretes digestive enzymes
Buffers the ph of the stomach

Question 19

What is the role of the small intestine? And the 3 regions

Answer 19

Responsible for most of the absorption of fluid and nutrients

Duodenum jejunem and ileum

Question 20

What is responsible for separating the small and large intestine?

Answer 20

Illeal papilla

Question 21

What 3 things are responsible for increases surface area of small intestine?

Answer 21

Pilcae circularis
Villi
Microvilli

Intestinal crypts

Question 22

What is the role of the liver and gall bladder for the digestive system?

Answer 22

Liver produces bile
Gallbladder stores and concentrated bile

Question 23

What composes the hepatic triad?

Answer 23

Branch of the hepatic portal vein
Branch of the hepatic artery proper
Bike duct

Question 24

What is the function of the lg intestine?

Answer 24

Absorbs the rest of water and segments bolus.

Question 25

What are the regions of the lg intestine?

Answer 25

Cecum
Ascending/transverse/descending sigmoid colon, rectum, anal canal and anus

Question 26

What is the role of the illeocecal sphincter?

Answer 26

Keeps bacteria from going into sm intestine.

Question 27

What two sphincters regulate movement of feces and what type of muscle are they?

Answer 27

Internal anal—- smooth
External anal—- skeletal

Question 28

What are the distinctive features of the large intestines?

Answer 28

So many goblet cells
Simple columnar
Squared off
Absorptive cells