Parasitic Infections Flashcards
It is an itchy skin condition caused by the microscopic mite sarcoptes scabei. It is common all over the world and it affects people of all races and social classes.
Scabies
What are the mode of transmision of scabies?
skin-to-skin contact
Sharing clothes, towels and bedding
Pets get a different mite infection, called:
mange
What are the symptoms of Scabies?
Pimple-like irritations or a rash
Intense itching, especially at night
Sores caused by scratching
What are the treatment of Scabies?
Several lotions are available to treat scabies.
The infected person’s clothes, bedding and towels should be washed in hot water and dried in a hot dryer.
_______ are parasitic, wingless insects. They live on people’s bodies and feed on blood.
Lice
Adult lice which is about the size of a sesame seed is called:
Louse
Eggs of lice which is are even smaller -almost like a dandruff flake is callled:
Nits
What are the areas that Lice and nits are easiest to detect?
neckline and behind the ears
True or False:
Head lice are extremely contagious.
True
Mode of transmisson of lice.
Close contact or sharing personal belongings, such as hats or hairbrushes.
What is the most common age group that are affected with Lice?
Children ages 3-11 and their families get head lice most often.
What are the symptoms of Lice infestation?
- Tickling feeling in the hair
- Frequent itching.
- Sores from scratching.
What is the treatment for lice infestation?
The most important step in treating lice is to treat the person and other family members with medicine to kill the lice.
Body lice
Pediculus humanus corporis
Pubic lice-crabs
Pthirus pubis
Head lice
Pediculus capitis
Blood-sucking insects
Fleas
________ - are small, wingless insects with laterally compressed bodies. They are dark brown or reddish brown insects.
Adult fleas
What is the size of fleas?
Their size ranges from 1-4mm long.
True or False:
They feed preferentially, on animal blood but will bite humans as well.
True
What part of human body Flea bites are found mostly?
feet and legs
_________ - are small, brownish, flattened insects that feed solely on the blood of animals.
Bed bugs
What is the common bed bug species that is most adapted to living with humans?
Cimex lectularius
Description of adult bed bugs.
Adult bed bugs are about 1/4 inch long and reddish brown, with oval, flattened bodies. They are sometimes mistaken for ticks or cockroaches.
Unlike fleabites, which occur mainly around the ankles, bed bugs feed on any bare skin exposed while _________.
sleeping
What is the risk factors for bed bugs bite?
individual has been traveling, or had acquired used beds or furnishings.
