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Test 11 > Micro 9 Blood Parasites > Flashcards

Micro 9 Blood Parasites Flashcards

1
Q

Malaria species

A

Plasmodium

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2
Q

Malaria mosquito

A

Anopheles

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3
Q

Malaria injected form

A

Sporozoite

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4
Q

Malaria labs

A

Elevated ALT/AST
Elevated BUN/creatinine
Thrombocytopenia

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5
Q

Malignant malaria species

A

P. falciparum (infect all RBCs)

P. vivax, ovale, malariae often benign, only infect reticulocytes

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6
Q

Malignant malaria symptoms

A

ARDS, kidney failure, hemolytic anemia, cerebral, splenomegaly
-No petechiae, muscle pain

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7
Q

Malaria fever

A

2-3 day cycles due to RBC infection waves

-Periodicity doesn’t occur with P. falciparum

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8
Q

Malaria Dx

A

Thin/thick RBC smears

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9
Q

Malaria Tx

A

Chloroquine

-Chemoprophylaxis for travelers

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10
Q

Malaria form that infects RBCs

A

Merozoite

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11
Q

Malaria disease causing forms

A

Schizont (can attach to brain capillaries)

Trophozoite

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12
Q

Toxoplasma gondii transmission

A

Oral fecal from cat

  • Undercooked meat
  • Transplacental
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13
Q

Toxoplasmosis normal

A

Painless lymph node swelling -> Flu

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14
Q

Toxoplasmosis rare (AIDS, transplant)

A 
Meningoencephalitis
Pneumonitis
Myocarditis
Hepatitis
Chorioretinitis
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15
Q

Toxoplasmosis cause

A

Bradyzoite cysts

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16
Q

Congenital toxoplasmosis

A

Chorioretinitis
Intracranial calcification
Hydrocephalus

17
Q

Toxoplasmosis Dx

A

Serology

18
Q

Toxoplasmosis Tx

A

TMP/Sulfa

19
Q

Babesia microti transmission

A

Ixodes tic

20
Q

Babesiosis

A

Prominent fever

21
Q

Babesia Dx

A

Blood smear Giemsa stain

-Tetrad

22
Q

Trypanosoma micro

A

Flagellated protozoa

23
Q

Sleeping sickness vector

A

Tsetse fly

24
Q

Trypanosoma brucei bite

A

Chancre -> Winterbottom’s sign (p. cervical triangle node enlargement)

25
Q

T. brucei disease

A

Sleeping sickness - somnolence -> ataxia -> coma/death

26
Q

Trypanosomiasis neuropathology

A

Acute hemorrhagic leukoencephalopathy

27
Q

T. cruzi vector

A

Kissing bug

28
Q

T. cruzi bite

A

Chagoma - Romana’s sign (unilateral conjunctivitis and orbital edema)

29
Q

T. cruzi chronic disease

A

Ganglion infection - Megaesophagus, megacolon

Myocarditis, cardiomegaly

Test 11 (27 decks)

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