Skin

Question 1

Malpighian layer is formed of :

Answer 1

Germinal, Prickle cell, Granular layers

Question 2

1- Granular or Basal layer is :

Answer 2

Stratum Germinatvium

Question 3

2- Prickle cell layer is :

Answer 3

Stratum Spinosum

Question 4

3- Granular layer is :

Answer 4

Stratum Granulosum

Question 5

4- Clear layer is :

Answer 5

Stratum Lucidum

Question 6

5- Horny layer is :

Answer 6

Stratum Corneum

Question 7

-its Cells contain Eleidin ,
-its Cells appear as acidophilic translucent band ,
-this Layer is present only in thick skin
-its cell organoids aren’t seen at EM
Name this layer :

Answer 7

Stratum Leucidum (Clear layer)

Question 8

The epidermis of thin skin contain all thick skin layers except :

Answer 8

Stratum Leucidum (Clear layer)

Question 9

The cells of granular layer of epidermis contain :

Answer 9

Basophilic Keratohyaline granules

Question 10

Langerhans Cells are Mesodermal in origin & located between keratinocytes in Epidermis, plays an important immunological rule, its Function is :

Answer 10

Macrophage cells

Question 11

Merkel Cells are naked nerve fibers between keratinocytes of epidermis & terminate as disc-shaped, its Function is :

Answer 11

Touch sensation (mechanoreceptor)

Question 12

The color of skin due to :

Answer 12

Melanin & Carotene pigment, Hemoglobin in blood vessels

Question 13

Melanin pigments are stored in :

Answer 13

Keratinocytes

Question 14

Melanin pigments are formed in :

Answer 14

Melanocytes

Question 15

Pacinian corpuscles are seen in :

Answer 15

Hypodermis

Question 16

Stratum spinosum & Stratum granulosum are seen in :

Answer 16

Epidermis

Question 17

Arrector pili are Smooth muscles that found in :

Answer 17

Thin skin dermis

Question 18

Layers Shape of stratum spinosum cells is :

Answer 18

Polyhedral

Question 19

Name 4 characters of thin skin :

Answer 19

Contains Sweat gland, Sebaceous gland, Hair follicles & Lacks of Stratum lucidum (clear layer)

Question 20

Epidermis receives its nourishment from blood vessels in dermis by diffusion, It is avascular which has fine free :

Answer 20

Nerve endings

Question 21

Name the subcutaneous connective tissue which binds skin to adjacent organs but not part of skin :

Answer 21

Hypodermis

Question 22

Layers shape of stratum granulosum cells :

Answer 22

Squamous-flattened

Question 23

Name the inner loose connective tissue layer of skin :

Answer 23

Dermis

Question 24

The most abundant cells found in epidermis :

Answer 24

Keratinocytes

Question 25

Thick skin has thick epidermis, lacks from hairs & sebaceous gland, covers :

Answer 25

Hand palm & Foot sole

Question 26

Sweat gland is present in dermis of thick & thin skin but Sebaceous gland is present in :

Answer 26

Thin skin dermis