Week 8 - Integumentary

Question 1

B

Answer 1

Sebaceous gland (oil gland)

Question 2

C

Answer 2

Arrector pili muscle

Question 3

D

Answer 3

Sudoriferous gland (Sweat)

Question 4

E

Answer 4

Hair follicle

Question 5

What type of cell is most common in the epidermis

Answer 5

Keratinised stratified squamous epithelium

Question 6

F

Answer 6

Epidermis

Question 7

What type of cell is the dermis

Answer 7

Dense irregular connective tissue

Question 8

G

Answer 8

Dermis - dense irregular connective tissue

Question 9

Superficial fascia is what type of tissue

Answer 9

Areolar connective tissue

Question 10

H

Answer 10

Superficial facia/hypodermis/subcutaneous layer

Question 11

What type of skin is this and where can it be found

Answer 11

Thick skin - plantar skin of the foot

Question 12

What type of skin is this and why

Answer 12

Thin skin as the stratum corneum is thinner than in thick skin

Question 13

What are the most common cell types found in the dermis

Answer 13

Fibroblasts

Question 14

A

Answer 14

Stratum corneum of the epidermis of thick skin

Question 15

B

Answer 15

Stratum lucidium of the epidermis of skin - only present thick skin

Question 16

C

Answer 16

Stratum granulosum of the epidermis of skin. Flattened keratinocytes

Question 17

D

Answer 17

Stratum spinosum of the epidermis of skin: several layers of irregular polyhedral keratinocytes

Question 18

E

Answer 18

Stratum basale of the epidermis of skin: a single layer of cuboid or columnar cells which undergo mitosis division. Mostly keratinocytes but melanocytes are also present here

Question 19

Do darker skinned individuals have more melanocytes or do their melanocytes produce more melanin?

Answer 19

Their melanocytes produce more melanin

Question 20

A

Answer 20

A: Stratum Corneum of epidermis of thin skin

Question 21

B

Answer 21

Stratum granulosum of epidermis of thin skin

Question 22

C

Answer 22

Stratum spinosum of epidermis of thin skin

Question 23

D

Answer 23

Stratum basale

Question 24

A and B respectively

Answer 24

Dermial papillae and reticular layer of the dermis