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Anatomy & Physiology > Digestive > Flashcards

Flashcards in Digestive Deck (33):
1

What are the contractions that move food along the digestive tract called?

Peristalsis (peristaltic contractions)

2

What enzyme is found the saliva of omnivores, but not in the saliva of carnivores?

Amylase

3

What sphincter seperates the stomach from the small intestine?

Pylorus (pyloric sphincter)

4

What are the basic functions of the digestive tract?

1. Prehension (grasping) of food with the lips or teeth. 2. Mastication, the mechanical grinding and breaking down of food. 3. Chemical digestion of food 4. Absorption of nutrients and water 5. Elimination of wastes.

5

What is the difference between peristaltic contractions and segmental contractions?

Peristaltic contractions move contents along the digestive tract. Segmental contractions cause back-and-forth mixing movements of the digestive tract contents.

6

What are digestive enzymes?

Proteins that promote the chemical reactions that split complex food molecules up into simpler compounds.

7

How many teeth do canines have (deciduous and adult)?

Deciduous: 28

Adult: 42

8

What are the 5 parts of a monogastric stomach?

Cardia, Fundus, Body, Pyloric Antrum, Pylorus

9

What are the functions of Prostaglandins E and I?

Reduce stomach's hydrochloric acid production and stimulate production of the protective mucous layer within the stomach.

10

3 segments of the small intestine

duodenum, jejunum, and ileum

11

Name the layers that makes up the GI wall

1) the mucosa, the lining layer

2) the submucosa, beneath the mucosa

3) the thick muscle layer, outside the submucosa

4) the serosa, outermost layer

12

The muscles that make the digestive tube

skeletsl muscles and smooth muscle

13

what are rugae?

multiple long folds in the stomach, commonly seen on endoscopic exam

14

Breaks in the suface of mucous and in the underlying mucousa are called erisions. What are deep erosions called?

Gastric Ulcers

15

what organ is both an exocrine and endocrine gland that is associated with the digestive system?

pancreas

16

What is a blood protein that the liver provides a major source of?

albumin

17

What cells in the pancreas produce glucagon?

alpha cells

18

Glucose gets stored as glycogen in the liver by a process called...

glycogenesis

19

mechanical digestion is known as

mastication

20

the gallbladder is a storage compartment for what ?

bile

21

the liver is the major source of what blood protein?

albumin

22


What does the mouth do?

1.Receives food and mixes it with saliva during mastication.
2.Bolus is formed.

23

Ruminant stomach is found in?

Cattle, sheep, goats, and llamas.

24

The small intestines is the major site of____ and_____.

digestion and absorption

25

Palatal surface

The inner surface of the upper teeth.

26

G cells are found in the....?

Stomach.

27

Which cranial nerve stimulates the stomach?

Vagus nerve.

28

What does prehension mean?

Grasping of food with lips or teeth.

29

What is a dilated esophagus called?

megaesophagus

30

The elium is part of the small intestines? T or F

False. The Ilium is part of the small intestines, where as the Elium is part of the bony pelvis.

31

What 3 categories are carbohydrates divded into?

Sugars, starches, cellulose

32

Where is glucagon produced in?

The pancreas

33

What does unsaturated fatty acids include?

monounsaturated and polyunsturated fats