Exam 2 (Ch.4-5)

Question 1

Tactile

Answer 1

Sensation

Question 2

Melanocyte

Answer 2

Cells that produce protein called melanin

Question 3

Keratinocyte

Answer 3

Cells that produce keratin

Question 4

Dendritic Cell

Answer 4

• immune system responders
• antigen presenting cells that engulf foreign substances and inform immune cells

Question 5

Layers of Dermis:
Papillary

Answer 5

Areolar connective tissue

Question 6

Layers of Dermis:
Reticular

Answer 6

Dense irregular connective tissue

Question 7

Layers of Epidermis:
Epidermis

Answer 7

Stratified squamous epithelia

Question 8

Layers of Epidermis:
(Outermost - dead) (innermost -healthiest)

Answer 8

1. Corneum
2. Lucidum
3. Granulosum
4. Spinosum
5. Basale

Question 9

Melanoma

Answer 9

A cancer of the melanocytes (excessively dividing)

Question 10

Squamous cell carcinoma

Answer 10

Spinosum layer of the epidermis is affected and metastatic

Question 11

Basal Cell Carcinoma

Answer 11

Basale layer of the epidermis and the most common and least malignant

Question 12

Cutaneous Membrane

Answer 12

The skin and it’s for protection and provides a barrier

Question 13

Mucous Membranes

Answer 13

Nasal cavity, lungs, and digestive membranes exposed to outside

Question 14

Serous Membrane

Answer 14

Covering of the organs & consists of 2 layers:
- parietal layer (outer layer): attached to wall of the cavity
- visceral layer (inner layer): attached to the organ
In b/w you have a cavity filled with serous fluid to reduce friction

Question 15

Exocrine Glands

Answer 15

Substances exit the tissue so they have duct
- (ex) sweating or sweat glands

Question 16

Endocrine Glands

Answer 16

Ductless, they release substances to the blood
- (ex) hormones

Question 17

Tension Lines

Answer 17

Natural lines found on the body that are used by surgeons to reduce scaring and speed up healing process

Question 18

Erythema

Answer 18

Redness of skin

Question 19

Pallor

Answer 19

Pale

Question 20

Jaundice

Answer 20

Yellow cast due to liver dysfunction

Question 21

Cyanosis

Answer 21

Blue cause by decreased oxygen

Question 22

Melanin

Answer 22

Pigmentation of the skin and UV protection

Question 23

Keratin

Answer 23

Protection and water resistance

Question 24

Eccrine

Answer 24

Sweat gland

Question 25

Apocrine (ex. armpit)

Answer 25

Puberty gland activated by hormones

Question 26

Ways that the glands release substances

Answer 26

1. Holocrine
2. Merocrine
3. Apocrine

Question 27

Holocrine

Answer 27

Whole cell ruptures
- ex. Lactation

Question 28

Merocrine

Answer 28

Substances released by exocytosis

Question 29

Apocrine

Answer 29

Just the apex (top) of the cell ruptures

Question 30

Characteristics of Epithelial Tissue:

Answer 30

1. Polarity
2. Specialized contacts
3. Regeneration
4. Supported by connective tissue
5. Avascular

Question 31

Polarity

Answer 31

Contain an apex and basement membrane

Question 32

Specialized contacts

Answer 32

Desmosome and right junctions

Question 33

Regeneration

Answer 33

Can undergo mitosis to replenish cells

Question 34

Avascular

Answer 34

They get nutrients via diffusion

Question 35

Striae

Answer 35

Stretch marks caused by damage to dermis when there is a rapid increase in weight