Histo

Question 1

The CNS and PNS are derived from what types of ectoderm?

Answer 1

CNS = NT
PNS = neural crest

Question 2

What is the major a.a. in collagen?

Answer 2

glycine

Question 3

What makes elastic fibers different from collagen?

Answer 3

elastic does not have hydrolysine

Question 4

fibrocartilage have a large number of what cellular organelle?

Answer 4

RER

Question 5

Which CT proper is not from type I collagen?

Answer 5

Reticular (type III)

Question 6

Most to least abundant leukocytes:

Answer 6

neutrophils
lymphocytes 
eosinophils
monocytes
basophils

Question 7

Where is there non-keratinized mucosal epithelium?

Answer 7

mouth
esophagus
vagina
distal urethra

Question 8

What is the main cell in CT?

Answer 8

fibroblasts

Question 9

What type of cells make up granulation tissue?

Answer 9

angioblasts

Question 10

What cells have phagocytic properties?

Answer 10

monocytes
macrophages
neutrophils
eosinophils

Question 11

What type of epithelium is salivary glands?

Answer 11

stratified columnar

Question 12

What type of epithelium is pharynx, epiglottis, anus?

Answer 12

stratified columnar

Question 13

Primary type of oral epithelium?

Answer 13

stratified squamous: esophagus, mouth, gingiva, oropharynx, laryngopharynx

Question 14

Olgiodendrocyte fxn

Answer 14

myelination

Question 15

Microglia fxn

Answer 15

phagocytosis

Question 16

Ependymal cell fxn

Answer 16

ventricles, spinal cord

Question 17

choroidal cell fxn

Answer 17

CSF secretion

Question 18

Eccrine sweat gland classification

Answer 18

cholinergic (PNS)

Question 19

Apocrine sweat gland classification

Answer 19

pheromones (SNS)

Question 20

zona occuludens

Answer 20

tight junctions

Question 21

zona adherenes

Answer 21

intermediate junctions

Question 22

macula adherens

Answer 22

desmosomes

Question 23

What makes up the hypodermics?

Answer 23

loose CT and adipose tissue

Question 24

What type of tissue is the dermis?

Answer 24

dense irregular CT

Question 25

What structures can be found in the lamina densa

Answer 25

``` type IV collagen PG laminin fibronectin anchoring fibrils (VII) ```

Question 26

What are the 3 layers of the basement membrane

Answer 26

lamina lucida lamina densa reticular lamina (III)

Question 27

Layers of skin (superficial to deep)

Answer 27

``` corneum lucidum granulosum spinosum basale ```

Question 28

what layer has pyknotic keratinized cells

Answer 28

stratum corneum

Question 29

what layer is only present in thick sin

Answer 29

stratum lucidum

Question 30

what layer is keratohylain in?

Answer 30

granulosm

Question 31

which skin layer is the mitotic layer?

Answer 31

basale

Question 32

Free n ending fxn

Answer 32

pain and temp | in stratum granulosm

Question 33

Ruiffini corpsucle fxn

Answer 33

mechanoreceptors (stretch)

Question 34

Pacinian corpuscle fxn

Answer 34

pressure

Question 35

What wraps around entire m?

Answer 35

epimysium

Question 36

What wraps m fasicles?

Answer 36

perimysium

Question 37

fibers in m. spindle that detect change in length

Answer 37

1A (fast, adaptive) | II (slow, non adaptive)

Question 38

type IB m. fibers

Answer 38

GTO | change in tension