Ectoparasites

Question 0

scabies

Answer 0

caused by sarcoptes scabei

• 400 u mite
• live on finger webs, elbows, armpits, breasts, around groin and buttocks
• mites burrow into skin, lay eggs into burrow

Question 1

ectoparasites

Answer 1

live on skin, doesn’t enter deep tissues, cause infections on skin and bacteria in that area (staph), female crab louse/head louse

Question 2

Pubic lice/crabs ( phthirus pubis and pediculus humanus)- head lice

Answer 2

surface dwellers

• penetrate skin with mouth and such blood
• female lay egg and glue to hair shafts
• eggs hatch in 5-10 days
• secondary infection when lice feces are crushed into wounds; causing bacterial infection