Ch 22 integ test 3

Dendritic cell

Which type of cell triggers immunologic responses?

Sweating

Which mechanism does the skin use to regulate temperature?

D

Skin helps synthesize which vitamin?

Epidermis

Which region is relatively avascular?

Melanocyte

Which type of cell produces pigment that contributes to skin color?

Keratin

Which substance waterproofs the skin?

Dermis

Which region is known as ―true skin and contains blood vessels, nerve receptors, hair follicles, and skin glands?

70%

Collagen constitutes what percentage of the dermis?

Hypodermis

What is another term for the subcutaneous layer?

Carotene

Which substance gives skin a golden color?

Pallor

Which term refers to pale skin?

Follicles

Which structures are pouchlike and have hair arising from them?

Arrector pili

Which structure attaches to hair follicles and pulls hair upright?

Nails

Which term refers to the hard plates found on distal surfaces of fingers and toes?

Root

Which area is the site of nail production?

Cuticle

Which term refers to the tough ridge of skin that grows out over the nail from its base?

Sebaceous

Which types of gland produces oil?

Sudoriferous

Which type of gland regulates body temperature and eliminates wastes?

Eccrine

Which type are the most numerous sweat glands?

Thermoregulation

Which term means the constant maintenance of internal body temperature independent of the external environmental temperature?

Hypothermia

Which term means excessive decreases in body temperature?

Somatosensory cortex

Which part of the brain receives sensations from touch receptors and determines where the sensation is located?

80

The hands and fingers, face, lips, and tongue make up what percentage of the primary sensory area?

Meissner corpuscle

Which receptor is an example of encapsulated nerve endings?

Nociceptor

Which type of receptor detects pain?

Hair root plexus

Which type of receptor wrap around follicles and resemble a net or web?

Meissner corpuscle

Which receptor is also known as a tactile corpuscle and detects light pressure?

Ruffini corpuscle

Which receptor detects heavy pressure and continuous touch?

Pacinian corpuscle

Which receptor detects deep pressure, vibrations, and stretch?

Athlete’s foot

Which condition occurs most often on the soles and between the toes?

Boils

Which condition is an infection of hair follicles?

Cold sores

Which condition is a recurrent viral infection?

Decubitus ulcers

Which condition is localized injury to the skin and underlying tissues usually over a bony prominence from sustained pressure?

Eczema

Which skin condition is noncontagious?

Impetigo

Which condition is a bacterial skin infection that occurs mainly around the mouth, nose, and hands and that is more common in children?

Psoriasis

Which condition causes accelerated proliferation of epidermal cells, leading to a buildup of thick skin in patches?

Ringworm

Which condition is a fungal infection that can be transmitted by contact with domestic animals?

Shingles

Which condition is an acute, localized viral infection caused by reactivation of the chickenpox virus?

Warts

Which condition is characterized by rough, raised masses of skin tissue and caused by the human papilloma virus?