Basic Histology & Fracture Types

Question 1

What are the four basic tissue types?

Answer 1

1. epithelial
2. connective
3. muscle
4. nervous

Question 2

What are characteristics of epithelial tissue?

Answer 2

1. cover external surfaces of a structure or line a cavity
2. lie on the basement membrane
3. avascular

Question 3

Glands are a type of ______ and can be classified based on______?

Answer 3

are a type of epithelial tissue
1. where they secrete
2. how they secrete
3. what they secrete

Question 4

What is a characteristic of connective tissue?

Answer 4

provides structure and support for other tissues

Question 5

What are the characteristics of nervous tissue?

Answer 5

1. Neurons - react to stimulus and conduct nerve impulse
2. Neuroglia- provide structure and metabolic support

Question 6

Blowout fractures are?

Answer 6

Due to an increase in intra-orbital pressure
-impact from an object that is larger than the globe

Question 7

trapdoor fractures are?

Answer 7

when the bone is temporarily displaced but returns to its original position, can result in entrapment of the inferior rectus
-common in children b/c their bones are more flexible

Question 8

orbital rim fracture?

Answer 8

common along suture lines
-occurs when a part of the rim hits a hard object (direct impact)

Question 9

Bones belong to this basic tissue type?

Answer 9

connective tissue