Integumentary

Question 1

A pathologist is reviewing skin biopsy slides under a microscope. She identifies a neural crest cell derivative that produces pigment to shield the body from ultraviolet radiation. Within which layer of the skin is this cell type located?

Answer 1

Stratum Basale

Question 2

Melanocytes are located in the _______ layer of the epidermis.

Answer 2

Stratum Basale

Question 3

(Cell type) ______ within the skin help synthesize vitamin D when exposed to UV light from the sun.

Answer 3

Keratinocytes

Question 4

_______ is the thickest layer of the epidermis and is made up of dead keratinocytes.

Answer 4

Stratum corneum

Question 5

The three layers of the skin are _______.

Answer 5

epidermis, dermis, and hypodermis

Question 6

The main cell type of the epidermis is the ______ which migrates upwards and form multiple layers.

Answer 6

keratinocytes

Question 7

The ______ layer of the epidermis is 2 to 3 cell layers thick and is only found in thick skin like on the palms and soles of the feet.

Answer 7

lucidum

Question 8

The deepest layer of the epidermis is the _______ which contains stem cells that give rise to keratinocytes.

Answer 8

stratum basale