Skin and Tissues Exam

The part of your hair that is actively growing

Matrix

type of muscle with branched cells

cardiac

membrane which lines body cavities and covers organs

Mucus

membrane which surrounds joints

synovial

waterproof protein found in skin cells

keratin

without a blood supply

avascular

chemical which stimulates calcium absorption

Vitamin D

pigment which protects skin cells from radiation

melanin

oily secretion that keeps skin and hair moist and flexible

sebum

the deepest layer of the skin

subcutaneous layer

finger like dermal projections responsible for fingerprints

Papillae

non excitable nerve tissue cells

glial cells

cells which usually have a secretory function

cuboidal

nerve cells

neurons

closely packed, parallel collagen and fibrocytes in a plasma matrix

Dense connective

connective tissue layer of the skin

dermis

avascular layer of the skin

epidermis

secretion method that produces the least amount of cell debris

Merocrine

Maintenance of constant body temperature

thermoregulation

the only type of muscle that is non-striated

Smooth

type of connective tissue that has a semi-liquid matrix

Cartilage

Tendons and ligaments...

are made of dense connective tissue

the type of tissue that covers surfaces of organs, lines body cavities and tubes, and forms glands is...

Epithelial

which portion of a neuron is usually covered with Schwann cells (Myelin)

Axon

smooth muscle tissue...

Forms the walls of the arteries

body cavities that open to the exterior are lined with a ------ membrane

Mucus

the strong, binding protein found in many connective tissues is...

Collagen

sweat glands associated with a hair follicle and under hormonal control are...

apocrine glands

which of the following is not found in the nerve cells: A. Axons B. Cell bodies C. Dendrites D. Collagen

D. Collagen

the epidermis has more---- than the dermis

keratin

the tissue lining the alveoli and capillaries is

simple squamous epithelium

which of the following is not a characteristic of adipose tissue: A. Stores energy B. Used as insulation C. Found in the subcutaneous layer D. Made of stratified epithelium

D. Made of stratified epithelium

most chondrocytes receive their nutrients...

by diffusion through the matrix

lipocytes contain a large

Golgi body

which of the following provides the most protection against dehydration: A. the dermis B. the epidermis C. the subcutaneous layer D. the basement membrane

B. The epidermis

which of the following is not found in the dermis: A. Capillaries B. Nerve endings C. Lipocytes D. Papillae

C. lipocytes

which of the following is an example of excretion: A. Releasing small amounts of nitrogenous waste in sweat B. coating the skin and hair with sebum C. producing melanin to protect the skin from UV radiation D. producing keratin to protect the skin and reduce dehydration E. converting an active vitamin D to active vitamin D

A. Releasing small amounts of nitrogenous waste in sweat

hair follicles and glands are made by cells of the

epidermis

the tissue lining the trachea and the bronchi is

ciliated epithelium

the pigment in a hair is located in the

cortex