Chapter 17

Question 1

Which organ is located the digestive and respiratory system

Answer 1

The pharynx

Question 2

Define peristaltic

Answer 2

the wavelike muscular contractions in tubular structures.

Question 3

True of False: Can you break down with without bile?

Answer 3

false

Question 4

Define Steatorrhea

Answer 4

Fatty stools

Question 5

What is the importance of the duodenum?

Answer 5

Receives pancreatic juice from the duodenum
-Receives bile from the liver
receives food from the stomach

Question 6

Layers of the Gut Wall

Answer 6

-Mucosa
-Submucosa
-Muscularis
-Serosa = adrentitia fibrous
(Mucosa deep and serosa superficial)

Question 7

Define Oral Cavity

Answer 7

Initial phase of mechanical breakdown food

• intial chemical digestion
• formation bolus

Question 8

Define Pharynx

Answer 8

swallowing (deglutition)

Question 9

Esophagus

Answer 9

-Closed except during swallowing, skeletal muscle at superior end

Question 10

Characteristics of the stomach

Answer 10

• Three smooth muscle layers
• constant mixing and churning of food
• initial digestion of proteins
• Production of intrinsic factors
• formation of chyme

Question 11

Define Intrinsic factors

Answer 11

Essential for absorption of vitamin B12 in the ileum

Question 12

Characteristics of the liver

Answer 12

• Bile production
• Production of the plasma proteins
• breakdown of old and damaged erythrocytes

Question 13

Characteristics of the pancreas

Answer 13

• exocrine pancreas arranged in lobules
• secretes digestive enzymes, electrolytes
• pancreatic duct bile duct to enter duodenum

Question 14

Significance the bicarbonate ions

Answer 14

-To neutralize acidity of the digestive system

Question 15

Why is the Lacteal important

Answer 15

All the fatty components go thourgh the lacteal

Question 16

Yellow or green stained vomitus

Answer 16

means bile from the duodenum

Question 17

Deeper brown color

Answer 17

My indicate content from lower intestine

Question 18

Recurrent vomiting of undigested food

Answer 18

Problem with fastric emptying or infection

Question 19

Coffee ground vomitus

Answer 19

brown granular material indicates action of HCL of hemoglobin

Question 20

Define Steaorrhea

Answer 20

Fatty diarrhea

Question 21

Define Frank blood

Answer 21

Red blood-usually from lesions in rectum or anal canal

Question 22

Define occult blood

Answer 22

Small hidden amounts,detectable with stool test

-may be caused by small bleeding ulcers

Question 23

Define Melena

Answer 23

• Dark colored, tarry stool

- may result from significant bleeding in upper digestive tract

Question 24

Define Dysphagia

Answer 24

Difficulty swallowing

Question 25

Define Hiatal Hernia

Answer 25

- Part of the stomach protrudes into the thoracic cavity - Sliding hernia - Rolling or para-esophageal hernia.

Question 26

Define Pyrosis

Answer 26

Synonym for heartburn

Question 27

Define HAV

Answer 27

transmitted from contaminated foods