Dermis and Adnexal Structures

Question 1

The dermis is, on average, _______ thick.

Answer 1

1 - 4 mm

Question 2

The family of disorders of congenital collagen malformation is called ________.

Answer 2

Ehlers-Danlos syndrome

Question 3

What type of neuron carries pruritus?

Answer 3

Type C

Question 4

Collagen I makes up roughly ____ percent of the weight of the skin.

Answer 4

85

Question 5

Sun damage to elastin fibers is called _____.

Answer 5

solar elastosis

Question 6

__________ is a congenital disorder of elastin formation. It presents with ______.

Answer 6

Pseudoxanthoma elasticum; “plucked chicken” skin, systemic hypertension, arterial rupture, and angioid streaks

Question 7

Fetal collagen is mainly ________.

Answer 7

collagen III

Question 8

“Eosinophilic” means _________.

Answer 8

pink

Question 9

Leukocytosis vasculitis is an example of a type ______ immunopathology.

Answer 9

III

Question 10

Free nerve endings mediate ______.

Answer 10

pain and pruritus

Question 11

Pacinian corpuscles are _______ and reside mostly in the ______, in which they sense ______.

Answer 11

onion-shaped; genitals; vibration and pressure

Question 12

Meissner’s corpuscles are ________ and reside mostly in the ______, in which they sense _______.

Answer 12

pinecone-shaped; fingers; tactile/fine sensations

Question 13

__________ is a molecular conversion necessary in the transformation of terminal hair to vellus hair.

Answer 13

Testosterone to 5-dihydrotestosterone

Question 14

Eccrine glands are a type of _______ glands.

Answer 14

merocrine