chapter 25 digestive system

Question 1

what are the seven functions of the digestive system?

Answer 1

ingestion, mechanical processing, digestion, secretion, absorption, excretion, compaction

Question 2

parotid salivary glands are

Answer 2

the largest glands

Question 3

the sublingual salivary glands are

Answer 3

covered by the mucous membrane of the floor of the mouth

Question 4

the submandibular salivary glands are

Answer 4

found in the floor of the mouth along the medial surfaces of the mandible inferior to the mylohyoid line

Question 5

what are the four types of teeth?

Answer 5

incisors, cuspids, bicuspids, molars

Question 6

incisors

Answer 6

blade shaped found in the front of the mouth

Question 7

cuspids

Answer 7

canines

Question 8

bicuspids

Answer 8

premolars

Question 9

molars

Answer 9

have very large flattened crowns with prominent edges

Question 10

what is the esophagus?

Answer 10

hollow muscular tube that transports foods and liquids to the stomach

Question 11

what are the three anatomical divisions of the small intestine?

Answer 11

duodenum, jejunum, illeum

Question 12

what is the duodenum?

Answer 12

shortest and widest segment, the mixing bowl

Question 13

what is the jejunum?

Answer 13

bulk of chemical digestion and nutrient absorption occurs here

Question 14

what is the illeum?

Answer 14

the longest part, controls the flow of material from the ileum into the cecum of the large intestine

Question 15

what are the three parts of the large intestine?

Answer 15

the cecum, colon, rectum

Question 16

what are the major functions of the large intestines?

Answer 16

reabsorption of the water and electrolytes, absorption of important vitamins produced by bacterial action, storing of fecal material before defecation

Question 17

what is the haustra?

Answer 17

pouches on the wall of the colon that permit considerable distension and elongation

Question 18

what is the rectum?

Answer 18

expandable organ for the temporary storage of fecal material

Question 19

the liver represents the what?

Answer 19

the central clearing house

Question 20

what does the liver control?

Answer 20

metabolic regulation, hematological regulation, synthesis and secretion of bile

Question 21

what do the right and left hepatic ducts do?

Answer 21

collect bile from all of the bile ducts of the liver lobes

Question 22

the right and left hepatic ducts unite together and form what?

Answer 22

common hepatic duct

Question 23

what is the gallbladder?

Answer 23

muscular sac that stores and concentrates bile before its excretion in the small intestine

Question 24

what are the two major functions of the gall bladder?

Answer 24

bile storage and bile modification

Question 25

what is the pancreas?

Answer 25

an exocrine organ producing digestive enzymes and buffers