Parasitic Infections Flashcards Preview

Pathology 2: Skin Pathology > Parasitic Infections > Flashcards

Flashcards in Parasitic Infections Deck (27):
1

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

2

What are the mode of transmision of scabies?

 

skin-to-skin contact 

Sharing clothes, towels and bedding 

3

Pets get a different mite infection, called:

mange

4

What are the symptoms of Scabies?

Pimple-like irritations or a rash

 

Intense itching, especially at night  

Sores caused by scratching
 

5

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.

 

 

6

_______ are parasitic, wingless insects. They live on people's bodies and feed on  blood. 

Lice

7

Adult lice which is about the size of a sesame seed is called:

Louse

 

8

Eggs of lice which is are even smaller -almost like a dandruff flake is callled:

Nits

 

9

What are the areas that Lice and nits are easiest to detect?

neckline and behind the ears

10

True or False:

Head lice are extremely contagious.

True

11

Mode of transmisson of lice. 

Close contact or sharing personal belongings, such as hats or hairbrushes.

12

What is the most common age group that are affected with Lice?

Children ages 3-11 and their families get head lice most often.

13

What are the symptoms of Lice infestation?

•   Tickling feeling in the hair 

•   Frequent itching.

•   Sores from scratching. 

14

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. 

15

 Body lice

 

Pediculus humanus corporis 

16

Pubic lice-crabs
 

Pthirus pubis

17

 Head lice 

Pediculus capitis

18

Blood-sucking insects

Fleas

19

________ -  are small, wingless insects with laterally compressed bodies.  They are dark brown or reddish brown insects.

Adult fleas

20

 

What is the size of fleas?

Their size ranges from 1-4mm long. 

21

True or False:

They feed preferentially, on animal blood but will bite humans as well.

 

True

22

What part of human body Flea bites are found mostly?

 feet and legs

23

_________ -  are small, brownish, flattened insects that feed solely on the blood of animals. 

Bed bugs

24

What is the common bed bug species that is most adapted to living with humans?

Cimex lectularius

25

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. 

26

Unlike fleabites, which occur mainly around the ankles, bed bugs feed on any bare skin exposed while _________.

sleeping

27

What is the risk factors for bed bugs bite?

individual has been traveling, or had acquired used beds or furnishings.