DIGESTIVE SYSTEM LAB

Question 1

consists of digestive tract or
gastrointestinal and specific
associated organs

Answer 1

digestive system

Question 2

The specific portions of the digestive tract

Answer 2

a) oral cavity or mouth
b) pharynx or throat
c) esophagus
d) stomach
e) small intestine and large intestine
f) anus

Question 3

The specific associated organs of the digestive tract

Answer 3

a) salivary glands
b) liver
c) pancreas

Question 4

what are the processes of the mouth

Answer 4

• Mastication (chewing) of food
• Mixing masticated food with saliva
• Initiation of swallowing by the tongue
• Allowing for the sense of taste

Question 5

not part of the digestive system

Answer 5

Nasopharynx

Question 6

posterior to oral cavity

Answer 6

Oropharynx

Question 7

below the oropharynx and connected to the esophagus

Answer 7

laryngopharynx

Question 8

Runs from pharynx to stomach through
the diaphragm

Answer 8

esophagus

Question 9

• Conducts food by peristalsis
  (slow rhythmic squeezing)
• Passageway for food only (respiratory
  system branches off after the pharynx)

Answer 9

esophagus

Question 10

where does the food enters?

Answer 10

at the cardio esophageal
sphincter

Question 11

major site of digestion and absorption

Answer 11

small intestine

Question 12

Site of nutrient absorption into the blood

Answer 12

small intestine

Question 13

Muscular tube extending form the
pyloric sphincter to the ileocecal valve

Answer 13

small intestine

Question 14

what are the subdivisions of the small intestine?

Answer 14

duodenum
jejunum
ileum

Question 15

*Attached to the stomach and curves around the head of the pancreas

Answer 15

duodenum

Question 16

Attaches anteriorly to the duodenum

Answer 16

jejunum

Question 17

Extends from jejunum to large intestine

Answer 17

ileum

Question 18

Larger in diameter, but shorter than the
small intestine and frames the internal abdomen

Answer 18

large intestine

Question 19

the large intestine is consist of

Answer 19

• cecum
• colon
• rectum
• anal canal

Question 20

absorption of water and eliminates indigestible food from the body as feces

Answer 20

large intestine

Question 21

it does not participate in digestion of food

Answer 21

large intestine

Question 22

it produce mucus to act as a lubricant

Answer 22

goblet cells

Question 23

it produces glands

Answer 23

saliva

Question 24

it is located anterior to ears

Answer 24

parotid galnds

Question 25

Produces a wide spectrum of digestive enzymes that break down all categories of food

Answer 25

pancreas

Question 26

what are the endocrine products of pancreas?

Answer 26

insulin and glucagons

Question 27

Largest internal organ of the body and it is located on the right side of the body under the diaphragm

Answer 27

liver

Question 28

Consists of four lobes suspended from the diaphragm and abdominal wall by the falciform ligament

Answer 28

liver

Question 29

what are the two sources of liver that receives blood?

Answer 29

hepatic artery hepatic portal vein

Question 30

-delivers oxygenated blood to the liver

Answer 30

hepatic artery

Question 31

carries nutrient-rich blood from the digestive tract to the liver

Answer 31

hepatic portal vein

Question 32

hexagon-shaped regions surrounded by connective tissue septa and defined by a portal triad at each corner and a central vein in the center of the lobule

Answer 32

hepatic lobules

Question 33

small sac on the inferior surface of the liver that stores concentrated bile

Answer 33

gall bladder

Question 34

Bile is introduced into the duodenum in the presence of fatty food

Answer 34

gall bladder

Question 35

it can cause blockage

Answer 35

gallstones

Question 36

a region containing a branch of the hepatic artery, a branch of the hepatic portal vein, and a bile duct

Answer 36

triad

Question 37

Connected to the gall bladder via the common hepatic duct

Answer 37

liver

Question 38

Alkaline fluid introduced with enzymes neutralizes acidic chyme

Answer 38

pancreas

Question 39

it is lined with simple columnar epithelium

Answer 39

mucosa

Question 40

small intestine is suspended from the posterior abdominal wall by the _____

Answer 40

mesentry

Question 41

Layers of the gastrointestinal tract

Answer 41

Mucosa Submusosa Muscularis Serosa or adventitia

Question 42

Liver units

Answer 42

Lobules

Question 43

Functional cells of the liver

Answer 43

Hepatocytes

Question 44

the portal triads

Answer 44

Hepatic portal vein Hepatic artery Hepatic duct

Question 45

Located on the left side of the abdominal cavity

Answer 45

Stomach

Question 46

In the pancreas, where is the enzyme secreted?

Answer 46

Duodenum

Question 47

Breakdown of ingested food

Answer 47

Digestion

Question 48

Passage of nutrients into the blood

Answer 48

Absorption

Question 49

Production of cellular energy ATP

Answer 49

Metabolism