GZOO Epidermis

Question 1

First, most superficial, outermost or surface layer of skin

Answer 1

Epidermis or epidermal layer

Question 2

Most of the important parts of the skin is embedded in ____.

Answer 2

Dermis or dermal layer

Question 3

Hypo means ____/below

Answer 3

Under

Question 4

This layer is yellow because it is made up of lipids or adipose tissues.

Answer 4

Hypodermis or subcutaneous fascia or subcutaneous layer

Question 5

Which of the following is not true for

A Vascular (presence of blood vessels)
B Dead layer
C composed of stratified epithelium
D Cells nourished by diffusion from underlying dermis
E it has keratinized stratified squamous epithelium

Answer 5

Answer:
A Vascular  (presence of blood vessels)

EPIDERMIS - AVASCULAR or no blood vessels present

Question 6

Four types of cells present in the epidermis

Answer 6

Keratinocyte (keratin cells), melanocyte (melanin cells), Merkel cells, Langerhans cells

Question 7

Necessary for immune response during allergic reaction (to prevent asphyxia) (Macrophage-like dendritic cells)

A Keratinocytes
B Melanocytes
C Merkel cells
D Langerhans cells

Answer 7

D Langerhans cells

Question 8

Makes dark skin pigment melanin

A Keratinocytes
B Melanocytes
C Merkel cells
D Langerhans cells

Answer 8

B Melanocytes

Question 9

Associated with sensory nerve endings

A Keratinocytes
B Melanocytes
C Merkel cells
D Langerhans cells

Answer 9

C Merkel cells

Question 10

Deepest and it produces tough fibrous protein (keratin)

A Keratinocytes
B Melanocytes
C Merkel cells
D Langerhans cells

Answer 10

A Keratinocytes

Question 11

Defined as both stratum basale and stratum spinosum as a unit

Answer 11

Malpighian layer

Question 12

5 Layers of epidermis (from surface layer to innermost layer)

Answer 12

1. Stratum corneum
2. Stratum lucidum
3. Stratum granulosum
4. Stratum spinosum
5. Stratum basale

Question 13

Skin in face, elbow, knee, neck are examples of ___ skin while skin in palms, soles of feet, and back are ___ skin.

A thick, thin
B thin, thick

Answer 13

B thin, thick

Question 14

Thick skin has 5 layers of epidermis. Thin skin has 4 layers and the absent layer is the

A stratum corneum
B stratum lucidum
C stratum granulosum
D stratum spinosum
E stratum basale

Answer 14

B stratum lucidum

Question 15

Layer of Epidermis

Composed of dead keratinocytes

A stratum corneum
B stratum lucidum
C stratum granulosum
D stratum spinosum
E stratum basale

Answer 15

A Stratum corneum

Question 16

Immature form of keratin found in stratum granulosum

Answer 16

Keratohyaline granules or Keratohyaline

Question 17

Granular layer of skin. Several layers of cells filled with granules containing keratohyaline granules, nerve endings and epidermal pigments.

A stratum corneum
B stratum lucidum
C stratum granulosum
D stratum spinosum
E stratum basale

Answer 17

C stratum granulosum

Question 18

Doom layer or lucid layer of epidermis. Translucent layer where nails originate.

A stratum corneum
B stratum lucidum
C stratum granulosum
D stratum spinosum
E stratum basale

Answer 18

B stratum lucidum

Question 19

Closest layer to dermis. Layers of actively dividing cells which replaces the cells that are shed off.

A stratum corneum
B stratum lucidum
C stratum granulosum
D stratum spinosum
E stratum basale

Answer 19

E stratum basale

Question 20

Spiny or prickly (thorn-like) layer. Layers with cell slightly separated by tissue fluid but joined by delicate extensions of cytoplasm.

A stratum corneum
B stratum lucidum
C stratum granulosum
D stratum spinosum
E stratum basale

Answer 20

D Stratum spinosum

Question 21

Also called germinal layer or stratum germinativum

A stratum corneum
B stratum lucidum
C stratum granulosum
D stratum spinosum
E stratum basale

Answer 21

E Stratum basale