Ch. 30: Skin infections and infestations-Skin infestations (scabies and lice) Flashcards
Spread by direct contact with an infected person. The mite burrows into the skin and lays eggs. The eggs mature in 21 days
Scabies
Pediculosis capitis
Head lice
Spread by direct contact with an infected person, bedding, and clothing.
Head lice
Head lice: The life span of the adult louse life is ___ and they can live up to ___ without a human host.
1 month; 48 hours
Head lice: The female lays eggs at ____, close to the skin surface at the junction of the hair shaft. The nits hatch in ____
Night; 7-10 days
Pediculosis corporis
Body lice
Body lice: Spread by direct contact with infected person, bedding, and clothing. How does the adult louse feed? It can live in folds of clothing for ___. They die at room temp in ____.
Adult louse feeds on human blood
It can live in folds of clothing for 1 month
Die at room temp in 5-7 days
Risk factors for scabies?
Nursing homes
Nursing facilities
Day care settings
Risk factors for head lice?
Day care and school
Overcrowded conditions
Sharing combs, brushes, hats
Risk factors for body lice?
Overcrowded contidions and poor hygiene
Risk factors for pubic lice?
Multiple sex partners
Scabies: When are you most itchy?
At night
Scabies: Where is there usually a rash?
In between fingers
Scabies: What are the markings on the skin?
Thin, pencil marks
Scabies: How does it look in infants?
Widespread on body
Pimples on trunk
Blisters on palm of hand and soles of feet
Scabies: How does it look in young children?
Most common on head, neck, shoulders, palms, and soles
Scabies: How does it look in older children?
Most common on hands, wrists, genitals, and abdomen
How does head lice appear?
Intense itching
Small, red bumps on scalp
Nits (white specks) on hair shaft