Arthropods and Infestations Lecture Powerpoint Flashcards

craig baebae

1
Q

Infestation

A

Multiplying and colonizing of the body by parasitic organisms

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2
Q

Bed bugs

A

Red blood sucking insects that hide during day and emerge at night to feed, saliva causes itches and welts in most patients, capable of living one year without food, cannot transmit disease

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3
Q

Bed bug bite

A

Nonspecific looking but tend to occur in clusters

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4
Q

Bed bugs treatments (3)

A
  • prevention looking for smears on bed linen
  • topical steroid creams
  • laundering, pesticides, heating, freezing, vacuuming
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5
Q

Scabies

A

Pruritic rash caused by mites that eat human skin and hair follicle secretions specific to humans (animals have mange that isn’t contagious), greatest prevalence in poverty or crowded conditions, feces cause allergic rxn with 10-15 mites on a person at a time causing major pruritis between webs of skin, spread direct contact or clothing

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6
Q

Scabies bites

A

Face usually spared, primarily burrow and cause pruritis at finger webs or folds

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7
Q

Crusted/Norwegian scabies

A

Rare form of severe scabies only present in immunocompromised patients

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8
Q

Scabies treatment

A

Permethrin cream 2 treatments 1-2 weeks apart

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9
Q

Lice

A

Parasites of mammals that are host specific causing pediculosis in humans either capitus, corporus, or pubis, can only survive 10 days off host, feed on skin and blood and saliva causes rxn, spread via close perosnal contact or lack of hygiene, diagnosed often by itching with no apparent rash and visual inspeciton of hair or seeing nits fluoresce under wood’s lamp

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10
Q

Eyelash involvement in lice infection implicates ___ lice

A

pubic

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11
Q

Pediculosis ____ and ___ are not harmful, but rather ___ for them can be. Meanwhile, pediculosis ____ may be accompanied by serious disease

A

capitus, pubis, treatment, corporis

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12
Q

Pets do not transmit…

A

….pediculosis

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13
Q

Pediculosis types and assoc with socioeconomic class

A

Pediculosis capitus and pubis are not associated, pediculosis corporis is assoc. with poverty

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14
Q

Treatments for pediculosis

A
  • topical insecticide pymethrin
  • nit comb
  • deep cleaning
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15
Q

Head lice and school

A

No need to exclude form school based on presence of live lice or nits

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