Connective Tissue

Question 0

The only non-sulfated GAG is__

Answer 0

Hyaluronic acid

Question 1

The following glycosaminoglycans may be found in the cartilage and bone except:
A.hyaluronic acid
B.chondroitin-4-sulfate
C.heparan sulfate
D.none of the aboe

Answer 1

C.heparan sulfate

- this is found in aorta,lung,liver,basal laminae

Question 2

Proteoglycans are core protein + GAG,True or false?

Answer 2

True

Question 3

All except one are structural glycoproteins present in connective tissue.
A.fibronectin
B.laminin
C.thrombospondin
D.hydroxyprolin

Answer 3

D.hydroxyprolin

Question 4

False about fibronectin
A. It is a structural glycoprotein
B.it has 3 long polypeptide chains
C.it has role in controlling deposition and orientation of collagen in extracellular matrix

Answer 4

B.it has 3 long polypeptide chains

Dalawa lang :)

Question 5

Laminin,a structural glycoprotein,is a major component in basal lamina of epithelia. True or false?

Answer 5

True.

Question 6

Entactin binds laminin to type __ collagen in basement membranes

Answer 6

IV

Question 7

Thrombospondin has role in __

Answer 7

Blood clotting

Question 8

Most notable function of collagen

Answer 8

Provision of tensile strength

Question 9

All 12 types of collagen have two amino acids: __ and __

Answer 9

Hydroxyproline

Hydroxylysine

Question 10

Collagen fibers stain __ at H&E stain

Answer 10

Pink

Question 11

Most of Type __ collagen is synthesized by fibroblasts

Answer 11

I

Question 12

Type __ collagen is from the chondrocytes of cartilage

Answer 12

II

Question 13

Types I to III are ___ collagens

Answer 13

Interstitial

Question 14

Type ___ collagen makes up reticulin (fiber type for reticular supporting meshwork)

Answer 14

III

Question 15

Type __ collagen
A)does not form fibers but instead copolymerizes with laminin and entactin to form basal lamina of epithelia
B)is synthesized by epithelia cells

Answer 15

IV

Question 16

type __ collagen also forms the nucleus pulposus of intervertebral discs and vitreous body of the eye

Answer 16

II

Question 17

Type ___ collagen
A)is synthesized by fibroblasts,smooth muscle cells,liver cells
B)makes up reticular fibers
C)stains black with Ag stain

Answer 17

III

Question 18

Elastic fibers are abundant in ___ and __

Answer 18

Large blood vessels and lungs

Question 19

Elastic fibers’ 3 stages of development

Answer 19

Oxytalan
Elaunin
Elastic fibers

Question 20

Elastin contains two unusual amino acids: __ and ___

Answer 20

Isodesmosine and desmosine

Question 21

False about fibroblasts
A)produced by osteoblasts
B)always divide at normal CT
C)secrete,maintain and recycle the matrix in most tissues

Answer 21

B)always divide at normal CT

Rarely,not always

Question 22

__cell: storage and metabolism of fat

Answer 22

Adipose

Question 23

__cell: stem cell of most tissue

Answer 23

Mesenchymal

Question 24

Precursors of macrophages

Answer 24

Monocytes

Question 25

Mast cells exhibit metachromasia. What is metachromasia?

Answer 25

Changes color of certain blue basic stains because of the binding of granules to the dye. Final color:red,magenta or purple

Question 26

The nucleus of the lymphocyte is pale-staining. True or false?

Answer 26

False. Intensely staining sya

Question 27

Plasma cell arises from __-lymphocyte

Answer 27

B

Question 28

Eosinophils are important in allergic reaction. True or false?

Answer 28

True

Question 29

Neutrophil count decreases in the event of an infection. True or false?

Answer 29

False. Increase dapat