Digestive [1]

Question 1

The 3 parts of a tooth are called

Answer 1

Crown
Neck
Root

Question 2

Name the 6 parts of a tooth from up to down through the medial view

Answer 2

Enamel
Dentin
Pulp
Cementum
Periodontal ligament 
Alveolar bone

Question 3

Enamel description

Answer 3

Prisms of calcium and carbonate
No cells
Hardest body tissue
No sensation

Question 4

Dentin description

Similar to ____ but ______ occur _____ instead of _____

Answer 4

Similar to bone but cells are called odontoblasts occur nearby in the pulp instead of scattered through the dentin

Question 5

Pulp description and what contains

Answer 5

Soft tissue

Blood vessels nerves lymphatic

Question 6

Cementum what is

Answer 6

Calcified connective tissue covering the root

Question 7

The periodontal ligament contains ____ linking ____ to _____. It has rapid _____ and needs _____. It contains _____ receptors which serve the functions of ____ and ____.

Answer 7

Collagen Fibres linking the bone of the socket (alveolar bone) to the cementum.
Rapid turnover. Increased collagen synthesis
Needs vitamins C
Mechanireceptors for protection and force transducers.

Question 8

3 types of papillae on the tongue

Answer 8

Fungi form (mushroom)
Filiform (shark)
Vallate (tastebuds and moat)

Question 9

We have 3 pairs of salivary glands: _____ (serous only), _____ (mixed) and ______ (mostly mucous)

Answer 9

Parotid (serous only)
Submandibular
Sublingual

Question 10

Salivary glands are stimulated to secrete stuff in response to the _____. ___ cells secrete watery substances and mucous glands secrete ___ substances.Saliva contains __ ___ + ___. The enzymes are ___ which breaks down ____ and _____ which is _____.

Answer 10

PNS
Serous
Viscous
Water mucous enzymes
Amylase
Starchy debris 
Lysozyme
Antibacterial

Question 11

4 functions of digestive system

Answer 11

Digestion
Absorption
Secretion
Transport

Question 12

4 ways to gain SA

Answer 12

Gross convolutions
Luminal folds (circular or longitudinal)
Projections towards lumen - evagination (villi)
Projections away from lumen (glands)

Question 13

Name the 4 tunics of the gut tube from top to bottom

Answer 13

Mucosa
Submucosa
Muscularis externa
Serosa

Question 14

The mucosa contains ____, ____ and _____.

Answer 14

Epithelium
Lamina propria
Muscularis mucosae

Question 15

The Lamina propria is found in the __. It is made of ____ tissue on which the —— rests, contains ___ and ___ and ____.

Answer 15

Mucosa
Lose CT
Epithelium
Nerves
Blood capillaries
Defensive cells

Question 16

Muscularis mucosae is found in the ___. It contains ________ which provides the mucosa with ______.

Answer 16

Mucosa
Two layers of smooth muscle, inner circular and outer longitudinal
Movement independent of external muscle coat

Question 17

The submucosa is a thick bed of ___ carrying larger ___, ____ and _____ (submucosal ____).

Answer 17

Loose CT
Blood vessels
Lymphatic vessels
Nerves
Plexus

Question 18

The muscularis externa (external smooth muscle) is in ___ layers to produce _____. The inner layer is ___, outer _____. The ___ nerve occurs between layers.

Answer 18

2
Peristalsis
Circular
Longitudinal 
Myenteric nerve plexus

Question 19

The serosa is a _______ except ____. It has __ layers, with outer ___ sitting on a bed of connective tissue. It’s also known as the _____. Where a structure is not in contact with the body cavity, the outer CT layer is called the ____.

Answer 19

Slippery outer covering for the gut tube except oesophagus.
2
Mesothelioma
Visceral peritoneum
Adventitia