Micro - CNS Protozoa pg.150

Question 1

In fetuses causes:

Chorioretinitis
Hydrocephalus
Intracranial calcifications

Answer 1

Toxoplasma gondii

“Toxo Triad”

Question 2

Ring enhancing lesion in brains of HIV on CT scan

Answer 2

Toxoplasma gondii

Question 3

African sleeping sickness

Answer 3

Trypanosoma rhodesiense and brucei gamiense

• Rhodensiense is worse - and so was south africa

Question 4

Attacks locus ceruleus causing somnolence and coma

Answer 4

Trypanosoma rhodesiense and T b. gambiense

Question 5

Rapidly fatal meningoencephalitis. Enters brain via nose and cribriform plate

Answer 5

Naegleria fowleria

*fowl brain eating protozoa

Question 6

Transmitted via tsetse fly

Answer 6

Trypanosoma rhodesiense and Trypanosoma brucei gambiense

Question 7

Most common transmitted via cysts in meat

Answer 7

Toxoplasmosis

Question 8

Diagnose this lymph node enlarging protozoa with blood smear, treat with . . .

Answer 8

Suramin for blood borne Trypanosoma r and bg

Melarsoprol for CNS Trypanosoma r and bg

Question 9

Serology and biopsy show tachyzoite. How do you treat?

Answer 9

Sulfadiazine and pyrimethamine for Toxoplasma gondii