30-Lice And Scabies

Front 1

Human follicle mites

what body parts do they parasitize?


how do they get nutrition

Back 1

skin, sebaceous glands, hair follicles

consume dead skin and sebum

Front 2

bug that causes scabies

how do they infect

Back 2

itch mite = sarcoptes scabiei

burrow in epidermis --> lays eggs in burrow (fingers and toes, knees, intertriginous areas, wrists)

Front 3

Patient has intense itching

see linear, red areas with vesicle at the end over fingers, toes, knees, wrists, intertriginous areas

Back 3

scabies

Front 4

What is norwegian scabies

Back 4

scabies in immunocompromised --> pruritis + red streaks with vesicles + scaling and crusting

like scabies but more intense

Front 5

treatment for scabies

for norwegian

Back 5

permethrin or hexachlorocyclohexane

ivermectin

Front 6

3 important types of lice

Back 6

human body louse, head louse, pubic louse

Front 7

where does the pubic louse live

Back 7

pubic hair, eyelashes, eyebrows, axillary hair, chest hair

Front 8

where does the head louse complete its life cycle

Back 8

human body

Front 9

where does the body louse complete its life cycle

Back 9

fibers within clothing

Front 10

Major symptom of lice

Back 10

pruritis

Front 11

Vector of typhus (rickettsie prowazekii) and trench fever (bartonella), endemic relapsing fever (borrelia recurrentis)

which type of louse

Back 11

body louse

Front 12

How do you diagnose lice

treat

Back 12

nits/ova in hair follicles

permethrin, hexachlorocyclohexane (2), shaving, washing

Front 13

Why have bed bugs come back?

Back 13

Increasing resistance to pesiicides + increased international travel