Lice and Scabies - Chapter 37 Flashcards
1
Q
Lice - Types
A
- Pediculus humanus
- Pediculus humanis capitus
- Pediculus humanus corpus
- Pediculus humanus pthirus pubis
2
Q
Pediculus Humanus
A
Human louse
3
Q
Pediculus Humanus Capitis
A
Head louse
4
Q
Pediculus humanus corpus
A
Body louse
5
Q
Pediculus humanus pthirus pubis
A
Pubic louse
6
Q
Head Lice
A
- Most commonly affects children ages 3-11 and their families
- Infestation is caused by the Pediculus humanus capitis
- Spread through head-to-head contact
- prefer the warmth of the nape of the neck and behind the ears
7
Q
Body Lice
A
- Caused by the parasite Pediculus humanus corporis
- Thrive in crowded environments
- Spread person to person through direct contact
8
Q
Pubic Lice
A
- Caused by the parasite Phthirus pubis
- Pubic lice and head lice are different species of lice
- sometimes classified as an STI because its mostly spead through sexual contact
9
Q
Scabies
A
- Caused by a parasitic mite called Saroptes scabei
- spread person to person through close contact
- Scabies mite burrows beneath the skin and feeds on blood
10
Q
Symptoms of Head and Pubic Lice
A
- Itching
- Feeling something moving in your haid or genital area
- Sores from scratching
11
Q
Symptoms of Body Lice
A
- Itching
- Rash
- Thickening and discoloration of the skin
12
Q
Symptoms of Scabies
A
- Intense itching
- Pimple-like rash
13
Q
Treatment of Lice
A
- Pediculicides are available for OTC use
- Use fine tooth nit comb to remove eggs from hair shaft
- Check for infestation before treatment
14
Q
Pediculicides
A
-Pyrethrins and permethrin are OTC schedule 2 pediculicides
15
Q
Pyrethrins and Permethrins
A
- Pyrethrins are not ovicidal (kills the eggs) so retreatment is essential in 7-10 days to kill newly hatched nymphs
- Permethrins leave a residue on the hair that can destroy eggs and newly hatched nymphs
