Chapter 18 - Infectious Diseases affecting the Skin and Eyes

Question 1

Integument

Answer 1

The out surface of the body: skin, hair, nails, sweat glands and oil glands.

Question 2

How many layers of are in the skin?

Answer 2

5 layers

Question 3

What are subaecous glands?

Answer 3

The sebum secrerting glands of the skin.

Question 4

What are antimicrobial peptides (AMPS)

Answer 4

short protein molecules found in epithelial cells: have the ability to kill bacteria

Question 5

What is lysozyme?

Answer 5

An enzyme found in sweat, tears and saliva that breaks down bacterial peptidoglycan.

Question 6

What are the condtions of the skin that dictate MRSA?

Answer 6

Skin is raised, red, tender, localized lesions often featuring pus and hot to the touch.

Question 7

What reaction is used to routingely diagnose MRSA?

Answer 7

Polymerase chain reaction

Question 8

What is Impetigo?

Answer 8

A superfical bacterial infection that causes the skion to flake or peel off

Question 9

folliculitis

Answer 9

An inflammatory reaction involving the formation of papules or pustules in clusters of hair follicles

Question 10

furuncle

Answer 10

A boil; a localized pyogenic infection arising from a hair follicle.

Question 11

carbuncle

Answer 11

A deep staphylococcal abscess joining several neighboring hair follicles.

Question 12

What is the main cause of cellutiis, impetigo and erysipelas?

Answer 12

Strepococcus pyogenes

Question 13

erysipelas

Answer 13

An acute, sharply defined inflammatory disease specifically caused by hemolytic Streptococcus. The eruption is limited to the skin but can be complicated by serious systemic symptoms.

Question 14

What is coagulase?

Answer 14

A plasma-clotting enzyme secreted by Staphylococcus aureus. It contributes to virulence and is involved in forming a fibrin wall that surrounds staphylococcal lesions.

Question 15

Dermolytic?

Answer 15

Capable of damaging the skin.

Question 16

What is a bullous?

Answer 16

Consisting of fluid-filled blisters.

Question 17

What is desquamate?

Answer 17

To shed the cuticle in scales; to peel off the outer layer of a surface.

Question 18

What is TEN?

Answer 18

Toxic epidermal necrolysis

Question 19

What is gas gangrene?

Answer 19

Disease caused by a clostridial infection of soft tissue or wound. The name refers to the gas produced by the bacteria growing in the tissue. Unless treated early, it is fatal. Also called myonecrosis.

Question 20

Shingles

Answer 20

Lesions produced by reactivated human herpesvirus 3 (chickenpox) infection; also known as herpes zoster.

Question 21

Varicella?

Answer 21

Informal name for virus responsible for chickenpox as well as shingles; also known as human herpesvirus 3 (HHV-3).

Question 22

Exanthem?

Answer 22

An eruption or rash of the skin.

Question 23

subacute sclerosing panencephalitis (SSPE)

Answer 23

A complication of measles infection in which progressive neurological degeneration of the cerebral cortex invariably leads to coma and death

Question 24

syncytium

Answer 24

A multinucleated protoplasmic mass formed by consolidation of individual cells.

Question 25

Erythema infectiosum

Answer 25

Fifth disease, slapped cheek appearance, spreads to arms ,legs and trunk accompanied by a low grade fever.

Question 26

What is Roseola?

Answer 26

Human huerpes virus called HHV-6 caused fever and rashes. common in babies.

Question 27

molluscum contagiosum

Answer 27

Poxvirus-caused disease that manifests itself by the appearance of small lesions on the face, trunk, and limbs. Can be associated with sexual transmission.

Question 28

papilloma

Answer 28

Benign, squamous epithelial growth commonly referred to as a wart.

Question 29

plantar warts

Answer 29

Deep, painful warts on the soles of the feet as a result of infection by human papillomavirus.

Question 30

eschar

Answer 30

A dark, sloughing scab that is the lesion of anthrax and certain rickettsioses.

Question 31

dermatophytes

Answer 31

A group of fungi that cause infections of the skin and other integument components. They survive by metabolizing keratin.

Question 32

tinea

Answer 32

Ringworm; a fungal infection of the hair, skin, or nails.

Question 33

superficial mycosis

Answer 33

A fungal infection located in hair, nails, and the epidermis of the skin.

Question 34

conjunctiva

Answer 34

The thin fluid-secreting tissue that covers the eye and lines the eyelid.

Question 35

cornea

Answer 35

The transparent, dome-shaped tissue covering the iris, pupil, and anterior chamber of the eye composed of five to six layers of quickly regenerating epithelial cells.

Question 36

immune privilege

Answer 36

The restriction or reduction of immune response in certain areas of the body that reduces the potential damage to tissues that a normal inflammatory response could cause.

Question 37

Conjunctivitis

Answer 37

inflammation of the conjunctiva of the eye.

Question 38

Trachoma

Answer 38

a contagious bacterial infection of the eye in which there is inflamed granulation on the inner surface of the lids.

Question 39

Keratitis

Answer 39

inflammation of the cornea of the eye.