Prev Med 6.8

Question 1

Three types of lice?

Answer 1

Pediculus Humanus Humanus
Pediculas Humanus Capitis
Phthirus pubis

Question 2

Describe the Pediculous Humanus Humanus

Answer 2

Body Louse
Found on areas that aren’t the head or neck
Attaches Nits(Eggs) to clothing and undergarments

Question 3

Describe the Pediculus Humanus Capitis

Answer 3

Head Louse
Usually found on head and neck
egg cemented to the hair
can be located in other hair body parts

Question 4

Describe the Phthirus Pubis

Answer 4

crab louse
Usually found on the hair of the pubic region, anal and eye brows
cemets nits to the hair
Can be found in other hairy regions of body

Question 5

Treatments for lice

Answer 5

Insecticide Ointment/Shampoo Elimite (treat family Simultaneous)
Wash all laundry and linen at 37.8C(100F) or higher
Wash all brushes and combs with hot water and soap
Avoid sharing items

Question 6

Characteristics of the German Cockroach

Answer 6

Tan or straw colored
15mm in size
two longitudinal stripes near head

Question 7

habitat of the German Cockroach

Answer 7

most common indoor species especially in and around food service spaces and facilities

Need food and water for warmth and survival

Question 8

brown banded cockroach characteristics

Answer 8

Adults are lighter than german roach
less than 15mm
Two yellow bands near base of the adult wings
two transverse bands on the dorsal surface of the nymphs

Question 9

habitat of the brown banded roach

Answer 9

living rooms dining rooms , bed rooms and closets

likes living in hotels not food service pest

Question 10

Characteristics of American Roach?

Answer 10

Dark reddish brown

dorsal plate behind the head has a conspicuous yellow posterior border strip

Question 11

habits of the American Roach

Answer 11

Filthy habits
Moves from shelter and breeding areas for food
potential disease vector

Question 12

Most important non method for roach control

Answer 12

Sanitation

Question 13

harborages for roaches?

Answer 13

between walls
behiends dressers, counter and serving lines
hollow areas Etc…..

Question 14

Surveillance for roaches

Answer 14

visual inspection with a flushing agent

survey every two weeks

Question 15

chemical controls for roaches

Answer 15

apply as a supplement to sanitary control
prepare space prior to treating and don’t allow personnel in for one half hour
refrain from field day on treated spaces for 24 hrs