introduction to connective tissue

Question 1

Connective tissues have a large amount of extracellular matrix and few cells.

Answer 1

True

Question 2

Loose connective tissue has more fibers than dense connective tissue.

Answer 2

False

Question 3

Dense regular connective tissue has fibers arranged in random orientations.

Answer 3

False

Question 4

Adipose tissue is a type of specialized connective tissue.

Answer 4

True

Question 5

Blood is the only connective tissue with a liquid extracellular matrix.

Answer 5

True

Question 6

Collagen type I provides tensile strength and is found in tendons and bone.

Answer 6

True

Question 7

Collagen type IV is present in the basal membrane and forms networks.

Answer 7

True

Question 8

Fibroblasts can only produce collagen type I.

Answer 8

False

Question 9

Smooth muscle cells can produce collagen types I and III.

Answer 9

True

Question 10

Osteogenesis imperfecta is associated with mutations in collagen type II.

Answer 10

False

Question 11

Proteoglycans and glycosaminoglycans (GAGs) help hydrate connective tissue.

Answer 11

True

Question 12

Elastin fibers are formed through the self-assembly of elastin alone.

Answer 12

False

Question 13

Marfan syndrome is linked to defects in fibrillin.

Answer 13

True

Question 14

Fibronectin is a component of the extracellular matrix.

Answer 14

True

Question 15

Resident connective tissue cells include fibroblasts and adipocytes.

Answer 15

True

Question 16

Macrophages originate from monocytes and help remove ECM material.

Answer 16

True

Question 17

Plasma cells circulate freely in the bloodstream.

Answer 17

False

Question 18

Mast cells and basophils originate from different precursors.

Answer 18

False

Question 19

Mast cells exhibit metachromasia when stained.

Answer 19

True

Question 20

Fibroadipose tissue is classified strictly as adipose tissue.

Answer 20

False

Question 21

During matrix invasion, tumor cells transition from epithelial to mesenchymal form.

Answer 21

True

Question 22

Connective tissue is avascular and lacks lymphatic vessels.

Answer 22

False

Question 23

Myofibroblasts contribute to wound healing by secreting collagen and contracting ECM.

Answer 23

True

Question 24

Myofibroblasts and fibroblasts can be distinguished by standard histological staining.

Answer 24

False

Question 25

Pericytes wrap around capillaries and help regulate the blood-brain barrier.

Answer 25

True

Question 26

Pericytes are multipotent and can differentiate into several cell types.

Answer 26

True

Question 27

Pericytes communicate with endothelial cells via endocrine signaling.

Answer 27

False

Question 28

Myoepithelial cells are found between glandular secretory cells and basal lamina.

Answer 28

True

Question 29

Myoepithelial cells help in secretion by contracting and pushing material into ducts.

Answer 29

True

Question 30

Myoepithelial cells can be identified by their expression of desmin.

Answer 30

True