Micro 9 Blood Parasites

Question 1

Malaria species

Answer 1

Plasmodium

Question 2

Malaria mosquito

Answer 2

Anopheles

Question 3

Malaria injected form

Answer 3

Sporozoite

Question 4

Malaria labs

Answer 4

Elevated ALT/AST
Elevated BUN/creatinine
Thrombocytopenia

Question 5

Malignant malaria species

Answer 5

P. falciparum (infect all RBCs)

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

Question 6

Malignant malaria symptoms

Answer 6

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

Question 7

Malaria fever

Answer 7

2-3 day cycles due to RBC infection waves

-Periodicity doesn’t occur with P. falciparum

Question 8

Malaria Dx

Answer 8

Thin/thick RBC smears

Question 9

Malaria Tx

Answer 9

Chloroquine

-Chemoprophylaxis for travelers

Question 10

Malaria form that infects RBCs

Answer 10

Merozoite

Question 11

Malaria disease causing forms

Answer 11

Schizont (can attach to brain capillaries)

Trophozoite

Question 12

Toxoplasma gondii transmission

Answer 12

Oral fecal from cat

• Undercooked meat
• Transplacental

Question 13

Toxoplasmosis normal

Answer 13

Painless lymph node swelling -> Flu

Question 14

Toxoplasmosis rare (AIDS, transplant)

Answer 14

Meningoencephalitis
Pneumonitis
Myocarditis
Hepatitis
Chorioretinitis

Question 15

Toxoplasmosis cause

Answer 15

Bradyzoite cysts

Question 16

Congenital toxoplasmosis

Answer 16

Chorioretinitis
Intracranial calcification
Hydrocephalus

Question 17

Toxoplasmosis Dx

Answer 17

Serology

Question 18

Toxoplasmosis Tx

Answer 18

TMP/Sulfa

Question 19

Babesia microti transmission

Answer 19

Ixodes tic

Question 20

Babesiosis

Answer 20

Prominent fever

Question 21

Babesia Dx

Answer 21

Blood smear Giemsa stain

-Tetrad

Question 22

Trypanosoma micro

Answer 22

Flagellated protozoa

Question 23

Sleeping sickness vector

Answer 23

Tsetse fly

Question 24

Trypanosoma brucei bite

Answer 24

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

Question 25

T. brucei disease

Answer 25

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

Question 26

Trypanosomiasis neuropathology

Answer 26

Acute hemorrhagic leukoencephalopathy

Question 27

T. cruzi vector

Answer 27

Kissing bug

Question 28

T. cruzi bite

Answer 28

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

Question 29

T. cruzi chronic disease

Answer 29

Ganglion infection - Megaesophagus, megacolon

Myocarditis, cardiomegaly