chap.6 midterm study

Question 1

What is skin?

Answer 1

the body’s largest organ, serves as a protective shield

Question 2

4 structures of the skin?

Answer 2

stratum basale, stratum spinosum, stratum granulosum, stratum corneum

Question 3

What is the epidermis composed of and the layers in order?

Answer 3

consists mostly of keratinocytes, Langerhans cells, and melanocytes

b,s,g,l,c

Question 4

what does the dermis consist of?

Answer 4

connective tissue, blood vessels, oil and sweat glands, nerves, hair follicles

Question 5

what is subcutaneous?

Answer 5

beneath, or under, all the layers of the skin

Question 6

what is keratinization?

Answer 6

the cells form fibrils of keratin and harden

Question 7

what are Melanocytes?

Answer 7

A cell in the skin and eyes that produces and contains the pigment called melanin

Question 8

what is the dermal papillae?

Answer 8

The thin top layer of the dermis

Question 9

what is Meissner’s corpuscles (of touch)?

Answer 9

responsible for transmitting the sensations of fine, discriminative touch and vibration

Question 10

what is Pacinian corpuscles (lamellated)?

Answer 10

the sensing of deep touch/pressure and vibration.

Question 11

What is melanin?

Answer 11

produces hair, eye and skin pigmentation

Question 12

what is albinism?

Answer 12

genetic disorder that results in decreased production of a pigment called melanin

Question 13

what are epidermal ridges/fingerprints?

Answer 13

Fingerprints are the pattern of the epidermal ridges on fingers.

Question 14

what is hair?

Answer 14

Each hair has a hair shaft and a hair root. The shaft is the visible part of the hair that sticks out of the skin. The hair root is in the skin and extends down to the deeper layers of the skin. It is surrounded by the hair follicle

Question 15

what are sebaceous glands?

Answer 15

produce and secrete sebum

Question 16

what are sudoriferous glands?

Answer 16

small tubular structures of the skin that produce sweat

Question 17

what are ceruminous glands?

Answer 17

apocrine glands, which, together with sebaceous glands, produce the cerumen, the ear wax

Question 18

what are meibomian glands?

Answer 18

oil glands along the edge of the eyelids where the eyelashes are found

Question 19

classification of Superficial or epidermal burns?

Answer 19

involve only the epidermal layer of skin

Question 20

classification of Partial-thickness burns?

Answer 20

involve the epidermis and portions of the dermis

Question 21

classification of full thickness burns?

Answer 21

extend through and destroy all layers of the dermis