Dermis

Question 1

Dermis anchors

Answer 1

Epidermal accessory structures
Ex: hair follicles and sweat glands

Question 2

Two components of the dermis

Answer 2

Outer papillary layer
Deeper reticular layer

Question 3

Papillary layer consists of

Answer 3

Areolar tissue

Question 4

Papillary layer contains

Answer 4

Capillaries, lymphatic vessels, and sensory neurons

Question 5

Papillary layer become inflamed

Answer 5

In dermatitis
Caused by infection, radiation, mechanical irritation,or chemicals
May produce itching or pain

Question 6

Reticular layer consists of

Answer 6

Dense irregular connective tissue

Question 7

Reticular layer contains

Answer 7

Collagen and elastic fibers

Question 8

The dermis contains all cells of

Answer 8

Connective tissue proper

Question 9

Collagen fibers

Answer 9

Very strong
Resist stretching
Easily bent or twisted
Limit flexibility to prevent tissue damage

Question 10

Elastic fibers

Answer 10

Permit stretching and then recoil to original length
Provide flexibility

Question 11

Skin turgor

Answer 11

Fibers and water that provide flexibility and resilience

Question 12

Loss of skin turgor is caused by

Answer 12

Dehydration, aging, hormones, uv radiation

Question 13

Tension lines are produced

Answer 13

By parallel bundles of collagen and elastic in fibers the dermis

Question 14

Tension lines resist

Answer 14

Forces applied to skin

Question 15

A cut made parallel to a tension line

Answer 15

Remains shut, and heals well

Question 16

Dermal blood supply comes from

Answer 16

Cutaneous plexus
Sub-papillary plexus

Question 17

Cutaneous plexus is

Answer 17

A deep network of arteries along the reticular layer

Question 18

Subpapillary plexus is a

Answer 18

Network of small arteries in papillary layer

Question 19

Bruises (contusion) is caused by

Answer 19

Damage to blood vessels in dermis

Question 20

Nerve fibers in skin control

Answer 20

Blood flow

Question 21

Nerve fibers in skin

Answer 21

Adjust stand secretion rates

Question 22

Nerve fibers m skin monitor

Answer 22

Sensory receptors

Question 23

Tactile (meissner) corpuscles light touch) are in

Answer 23

Dermal papillae

Question 24

Lamellar (pacinian) corpuscles (deep pressure) are in

Answer 24

The reticular layer