Parasitic Flashcards

(40 cards)

1
Q

contagious ectoparasitic skin infection characterized by superficial burrows and intense itching

A

scabies

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2
Q

What is scabies also known as?

A

sarcoptic mange or the itch

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3
Q

What is the causative agent of scabies

A

Sarcoptes scabiei

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4
Q

Incubation period of scabies

A

4-6 weeks

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5
Q

Mode of Transmission

A
  1. Direct contact with a female mite
    2.Skin to skin contact with an infected person
    3.Sharing clothing, bedding, or towels from infected person
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6
Q

What is one of the signs and symptoms of scabies that is caused by a reaction within the skin to the feces of the mite and is worse after a hot shower and at night?

A

Pruritus

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7
Q

Winding, slightly raised gray lines along the skin

A

Burrows

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8
Q

Signs and Symptoms of scabies

A

Pruritus
Burrows
Scratch marks
Burning sensation

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9
Q

Common locations of burrows

A

Sides of the fingers
Between the fingers
Top of the wrist
Around the elbows and armpits
Around the nipples of the breasts in women
Genitalia of men
Around the waist
Lower part of the buttocks
Babies: soles of their feeet, palms of their hands and faces

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10
Q

Severe form of scabies wherein lesions are extensive and may spread all over the body; Scaly areas eventually take on a wart-like appearance

A

Crusted scabies

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11
Q

Complications of Scabies

A

Secondary bacterial infection - Impetigo

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12
Q

Diagnosis of Scabies

A

-Observing the characteristic burrows of the mites
-A sterilized needle can be used to explore the pearly bump at the end of the burrow, remove its contents, and place it on a slide to be examined
-The mite itself may then be identified under a microscope

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13
Q

Treatment and Management of Scabies

A

■Permethrin 5%
■ Malathion
■ Lindane lotion
■ 10% sulfur ointment
■ Neem oil
■ Tea tree oil at 5%
■ Ivermectin
■ chlorpheniramine

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14
Q

Prevention and Control Measures of Scabies

A

■ All family and close contacts should be
treated at the same time, even if
asymptomatic.
■ Cleaning of environment should occur
simultaneously, as there is a risk of
reinfection.
■ Wash and hot iron all material (such
as clothes, bedding and towels) that
has been in proximity to a scabies
infestation.
■ Proper hygiene

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15
Q

Infestation of lice (blood-feeding
ectoparasitic insects)

A

Pediculosis

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16
Q

Causative agents

A

● Pediculus humanus capitis
● Pediculus humanus corporis
● Phthirus pubis

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17
Q

MOT of Pediculus

A

Direct and Indirect Contact

18
Q

Predisposing Factors (Pediculus)

A

■ overcrowding
■ unsanitary conditions
■ poor hygiene

19
Q

Under signs and symptoms of Pediculosis characterized by
● Intense Itching
● Excoriation
● Matted, foul-smelling, lusterless hair
● Occipital and cervical lymphadenopathy

A

■ Pediculosis Capitis:

20
Q

Under signs and symptoms of Pediculosis characterized by
● Skin irritation from scratching
● Maculae caeruleae on the thighs or
upper body

A

Pediculosis Pubis

21
Q

What is the diagnosis of pediculosis wherein oval-grayish nits cannot be shaken loose?

A

Pediculosis Capitis - P.E.

22
Q

TRUE OR FALSE:
the closer the nits are to the shaft, the shorter the infection has been present

A

False: The longer the infection has been present

23
Q

What is the diagnosis test for pediculosis wherein characteristic skin lesions with nits are found on the clothing?

A

Pediculosis Corporis - P.E.

24
Q

What is the diagnosis test for pediculosis wherein nits are attached to pubic hair, which feel coarse and graining upon touch

A

Pediculosis Pubis - P.E.

25
Treatment and Management of Pediculosis Capitis
● Permethrin cream rubbed into hair then rinsed after 10 minutes ● Removal of nits using fine-tooth comb dipped in vinegar ● Washing hair with ordinary shampoo to remove excoriations
26
Treatment and Management of Pediculosis Corporis
● Bathing with soap and water ● Clothes from infected clients should be washed in hot water then ironed ● If clothes can’t be washed or changed, using 10% lindane powder is effective
27
Treatment and Management of Pediculosis Pubis
● Application of topical pediculocide ● Use of various agents like 0.5% malathion emulsion, permethrin cream, and lindane ointment ● Clothes and bedsheets must be laundered to prevent reinfestation
28
How many minutes should combs and brushes used by an infested person be soaked in hot water for disinfestation?
5-10 minutes
29
Prevention and Control of Pediculosis
■Avoid head-to-head (hair-to-hair) contact during play and other activities. ■ Do not share combs, brushes, or towels. ■ Disinfest combs and brushes used by an infested person by soaking them in hot water for 5-10 minutes. ■ Do not lie on beds, couches, pillows, carpets, or stuffed animals that have recently been in contact with an infested person. ■Machine wash and dry clothing, bed linens, and other items that an infested person wore or used during the 2 days before treatment using the hot water (130°F) laundry cycle and the high heat drying cycle. ■ Bathe regularly and change into properly laundered clothes. ■ Do not share clothing, beds, bedding, and towels used an infested person. ■ Fumigation or dusting with chemical insecticides. ■ All sexual contacts of the infested person should be examined. All those who are infested should be treated. ■ Sexual contact between the infested person(s) and their sexual partner(s) should be avoided until all have been examined, treated as necessary, and reevaluated to rule out persistent infestation.
30
It is a parasitic disease infects most genera of warm-blooded animals, including humans, but the primary host is the feline (cat) family.
Toxoplasmosis
31
Signs and Symptoms of Toxoplasmosis
■ Body aches ■ Swollen lymph nodes ■ Headache ■ Fatigue ■ Fever ■ Sore throat (occasional) ■ Maculopapular, and hemorrhagic eruptions may occur
32
Signs and Symptoms of Toxoplasmosis in babies
- Many early infections result in stillbirth or miscarriage. - Infected newborns may not show symptoms until their teens or later, including hearing loss, mental retardation, or serious eye infections.
33
What are the classic triad of signs included in congenital toxoplasmosis?
Chorioretinitis, Hydrocephalus and Intracranial calcifications
34
Diagnosis of toxoplasmosis
■ Sabin-Feldman dye test ■ Indirect Fluorescent Antibody Test (IFAT) ■ Indirect Hemagglutination Test ■ Latex Agglutination Test ■ Modified Agglutination Test ■ ELISA test ■ Amniocentesis and UTZ
35
Treatment of Toxoplasmosis
■ Sulfonamides and pyrimethamine (Daraprim) ■ Spiramycin - for pregnant women
36
Prevention and Control of Toxoplasmosis
■ Wash hands after handling meat. ■ Cook meat thoroughly. ■ Avoid adopting stray cats or kittens. ■ Proper management of cats ■ Gloves should be used while working in the garden or handling soil. ■ Children's sandboxes should be covered when not in use. ■ Wash kitchen utensils thoroughly. ■ Wash all fruits and vegetables. ■ Avoid unpasteurized goat's milk.
37
What is the diarrheal infection of the small intestine in humans commonly known as beaver fever?
Giardiasis
38
Most common intestinal parasite worldwide
Giardiasis
39
Causative agent of Giardiasis
Giardia lamblia (enteric protozoan parasite)
40