L5. Connective Tissue

Question 1

Which is the strongest fibre?

Answer 1

Collagen

Question 2

How are collagen fibres made up?

Answer 2

3 alpha chains -> collagen molecules -> collagen fibrils -> collagen fibres

Question 3

What do fibroblasts do?

Answer 3

Secrete collagen

Question 4

What do chondrocytes do?

Answer 4

Secrete cartilage

Question 5

Describe the appearance of elastin fibres.

Answer 5

Long and branched for recoil ability

Question 6

What do epithelial and cartilage layers lack?

Answer 6

Blood

Question 7

Name the 2 types of connective tissue proper.

Answer 7

Loose connective

Dense connective

Question 8

Name the 3 types of dense connective tissue.

Answer 8

Dense regular
Dense irregular
Elastic

Question 9

What is loose connective tissue mostly made of?

Answer 9

Ground substance

Question 10

What is dense connective tissue mostly made of?

Answer 10

Fibres

Question 11

What causes scurvy?

Answer 11

Lack of vitamin C

Question 12

What are the effects of scurvy?

Answer 12

Ineffective collagen formation which leads to loose teeth

Question 13

What is Systematic Lupus Erythematosus?

Answer 13

An autoimmune disease

Question 14

What does Systematic Lupus Erythematosus target?

Answer 14

Skin and bone, and causes buccal and palatal lesions

Question 15

What type of condition is Sjogren’s syndrome?

Answer 15

Autoimmune

Question 16

What are the effects of Sjogren’s syndrome?

Answer 16

Affects salivary and tear glands => greater risk of caries and candidiasis