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OTC > Pediculosis > Flashcards

Pediculosis Flashcards

1
Q

define pediculosis

A

infestation of lice

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2
Q

what are the three types of lice?

A

head, body, and pubic lice

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3
Q

another term for pubic lice?

A

crabs

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4
Q

what age group is head lice commonly found in

A

3-12

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5
Q

what kind of place do head lice easily spread?

A

elementary school and daycares

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6
Q

does socioeconomic group affect risk of getting head lice?

A

no, affects all groups

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7
Q

how is head lice spread?

A

close contact and sharing personal items

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8
Q

are males or females more susceptible to head lice?

A

females

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9
Q

what race is affected less frequently by head lice?

A

african americans

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10
Q

where do body lice reside?

A

in clothing

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11
Q

what dieases can body lice transmit?

A

typhus and trench fever

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12
Q

what is the major risk fact associated with body lice?

A

poor hygeine

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13
Q

do pubic lice only affect pubic areas?

A

no can be in eyebrows, mustaches, armpits, etc…

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14
Q

what is the lifespan of a female head louse?

A

20-30 days

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15
Q

how many eggs can a female louse lay in her life-span

A

up to 150 eggs/nits

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16
Q

how many days does it take for eggs to hatch (head lice)?

A

5-10 days

17
Q

how often do the cycles usually repeat?

A

every 3 weeks

18
Q

how many days does it take for nymphs to mature?

A

8-9 days

19
Q

can someone with a secondary infection be treated for lice via OTC medication?

A

no

20
Q

can a woman who is pregnant or breastfeeding be treated for lice via OTC medication?

A

no

21
Q

how many times can you try to get rid of an infestation before you should advise a medical referral?

A

twice, if it doesn’t work the second time the exclude

22
Q

can infestation of the eyelids or eyebrows be handled OTC?

A

no

23
Q

what are the two main OTC products for lice?

A

pyrethrin and permethrin

24
Q

what is the MOA of pyrethrins

A

Blocks transmission of nerve impulses causing paralysis and death

25
Q

what is piperonyl butoxide?

A

a side ingredient in pyrethrin

26
Q

what does piperonyl butoxide do?

A

inhibits the breakdown of pyrethrin

27
Q

can you use pyrethrin products on head lice, pubic lice, or both?

A

both

28
Q

you should not apply pyrethrin more than twice in a __ hour period

A

24

29
Q

when does pyrehtrin become fully effective?

A

several hours, but most effective after second application in 7-10 days

30
Q

allergies to one of what three things is a reason for self-exclusion?

A

pediculicide ingredients, chrysanthemums, and ragweed

31
Q

PT’s who are < __ years old should not use pyrethrin without consulting a physician

A

< 2 years old

32
Q

PT’s who are < __ years old should not use permethrins without consulting a physician

A

< 2 months old

OTC (3 decks)

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