DIGESTIVE SYSTEM

Question 1

includes the entire alimentary canal and several accessory organs.​

Answer 1

Digestive system

Question 2

the alimentary canal consists of:

Answer 2

oral cavity (mouth) ​

Pharynx​

Esophagus​

stomach ​

small intestine​

large intestine, which terminates as the anus.​

Question 3

accessory organ include the:

Answer 3

salivary glands
pancreas
liver
gallbladder.

Question 4

3 primary function of digestive system:

Answer 4

-The first primary function is the intake or digestion of food, water, vitamins, and minerals.​

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-The second function of the digestive system is to absorb digested food particles, along with water, vitamins, and essential elements from the alimentary canal, into the blood or lymphatic capillaries.​

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-The third function is to eliminate any unused material​

Question 5

The alimentary canal is a continuous hollow tube

Answer 5

mouth (oral cavity)

Question 6

are accessory organs of digestion associated with the mouth. ​

Answer 6

salivary glands

Question 7

means “near the ear,” which is the largest of the salivary glands located just anterior to the external ear​ submandibular​; sometimes called submaxillary, meaning “below mandible or maxilla”​

Answer 7

parotid (pah-rot′-id)​

Question 8

meaning “below the tongue.”​

Answer 8

sublingual

Question 9

is about 12.5 cm long and is the part of the digestive tube found posterior to the nasal cavity, mouth, and larynx.​

Answer 9

pharynx

Question 10

is posterior to the bony nasal septum, nasal cavities, and soft palate​

Answer 10

nasopharynx

Question 11

The third portion of the pharynx; extends from the level of the epiglottis to the level of the lower border of the larynx​

Answer 11

laryngopharynx,or hypopharynx

Question 12

is a muscular canal, about 25 cm long and about 2 cm in diameter, extending from the laryngopharynx to the stomach.

Answer 12

esophagus

Question 13

begins posterior to the level of the lower border of the cricoid cartilage of the larynx (C5 to C6), which is at the level of the upper margin of the thyroid cartilage.​

Answer 13

esophagus

Question 14

four main regions in the stomach: ​

Answer 14

cardia
fundus
body
pylorus​

Question 15

is the point where the esophagus connects to the stomach and through which food passes into the stomach.

Answer 15

cardia (or cardiac region)

Question 16

located inferior to the diaphragm, above and to the left of the cardia, is the dome-shaped

Answer 16

fundus

Question 17

connects the stomach to the duodenum; funnel-shaped

Answer 17

pylorus

Question 18

The wider end of the funnel, connects to the body of the stomach.

Answer 18

pyloric antrum

Question 19

The narrower end ; , which connects to the duodenum

Answer 19

pyloric canal

Question 20

the smooth muscle; is located at this latter point of connection and controls stomach emptying. In

Answer 20

pyloric sphincter

Question 21

the fifth and final part of the upper GI tract; the first portion of the small intestine, commonly called the small bowel.​

Answer 21

duodenum

Question 22

is about 20 to 24 cm long and is the shortest, widest, and most fixed portion of the small intestine.

Answer 22

duodenum

Question 23

has been affectionately labeled the “romance of the abdomen”​

Answer 23

head of the pancreas

Question 24

the average length of the small intestine

Answer 24

7m (23ft)

Question 25

actual length of small intestine, during life

Answer 25

4.5-5.5m (15 to 18 ft)

Question 26

length of small intestine when a person dies

Answer 26

15-31 ft

Question 27

proximal diameter of small intestine

Answer 27

3.8 cm (1.5 inches)

Question 28

distal end of small intestine

Answer 28

2.5 (1inch)

Question 29

e parts of the small intestine, in order,

Answer 29

duodenum jejenum ileum

Question 30

is the first part of the small intestine. It is the shortest, widest, and most fixed portion of the small bowel. It is located primarily in the RUQ. I

Answer 30

duodenum

Question 31

duodenum also extends into the LUQ, where it joins the jejunum at a point called the ___________

Answer 31

duodenojejunal flexure

Question 32

It represents the shortest aspect of the small intestine and averages ________ in length

Answer 32

duodenojejunal flexure 20-25 cm in length

Question 33

is located primarily to the left of midline in the LUQ and LLQ, making up about two-fifths of the remaining aspect of the small intestine.

Answer 33

jejenum

Question 34

inner diameter of jejenum

Answer 34

2.5 cm

Question 35

jejunum contains numerous mucosal folds _______-

Answer 35

plicae circulares

Question 36

which increase the surface area to aid with absorption of nutrients. These numerous mucosal folds produce the “feathery appearance of the jejunum.​

Answer 36

plicae circulares

Question 37

is located primarily in the RUQ, RLQ, and LLQ. The ileum makes up the distal three-fifths of the remaining aspect of the small intestine and is the longest portion of the small intestine.​

Answer 37

ileum

Question 38

also known as large bowel

Answer 38

large intestine

Question 39

begins in the right lower quadrant (RLQ) with its connection to the small intestine. The large intestine extends around the periphery of the abdominal cavity to end at the anus. The large intestine is about 1.5 m (5 feet) long and about 6 cm (2.5 inches) in diameter.​

Answer 39

large intestine

Question 40

four major parts of the large intestine

Answer 40

cecum, colon, rectum, and anal canal.​

Question 41

The final segment of the large intestine

Answer 41

rectum

Question 42

he distal rectum contains ________, which ends at the anus

Answer 42

anal canal

Question 43

is part of the alimentary canal, which responsible for absorbing water from indigestible food.

Answer 43

large intestine

Question 44

measurement of a large intestine

Answer 44

6ft long

Question 45

The colon consists of four sections and two flexures

Answer 45

(1) the ascending colon, ​ (2) the transverse colon, ​ (3) the descending colon, and ​ (4) the sigmoid colon. ​ right (hepatic) and left (splenic) colic ​ flexures

Question 46

a large blind pouch located inferior to the level of the ileocecal valve.

Answer 46

cecum

Question 47

(commonly referred to as just the appendix) is attached to the cecum.​

Answer 47

vermiform appendix

Question 48

narrow, worm-shaped tube that extends from the cecum. The term vermiform means “wormlike.”​

Answer 48

appendix

Question 49

measurement of an appendix

Answer 49

2-20 cm