Infectious Dz misc

Question 1

Gold standard for dx of malaria

Answer 1

Giemsa stained thick or thin blood film

Question 2

What 3 things characterize severe malaria

Answer 2

peripheral parasitemia >200,000 parasites/mcL

cerebral malaria

hypoglycemia

Question 3

Fever every 3 days + sweats

Answer 3

Malaria

Question 4

what type of anemia is associated with malaria

Answer 4

hemolytic anemia

Question 6

What is the classic triad of congenital toxoplasmosis

Answer 6

chorioretinitis

intracranial calcification

hydrocephalus

Question 7

what is neuro and cardiac manifestations of early disseminated lyme disease

Answer 7

bilateral bells palsy

AV block

Question 8

What 3 manifestations in late disease or lyme

Answer 8

peripheral polyneuropathy

encephalopathy

migratory polyarthritis

Question 9

Confirmatory serologic test for lyme dz

Answer 9

western immunoblot assay

(ELISA can also be used but not confirmed)

Question 10

7 conditions that can cause a false positive for syphilis

Answer 10

IVDU

Lyme dz

pregnancy

SLE
TB
malaria

certain types of PNA

Question 11

What is seen on tissue biopsy in CMV

Answer 11

owls eye inclusions

Question 12

what can CMV cause in newborns (3)

Answer 12

hearing loss

seizures

petechial rash

Question 13

what is the most common congenital infection in the United States

Answer 13

Congenital Cytomegalovirus

Question 14

Negri bodies (eosinophilic inclusion bodies in the cytoplasm of hippocampal nerve cells)

Answer 14

pathognomonic for RABIES- found in the brain of dead animals

Question 15

what is the MCC of pancreatitis in kids

Answer 15

Mumps

Question 16

What is seen in CSF of pts with Meningitis caused by mumps

Answer 16

increased lymphocytes and decreased glucose

Question 17

Only childhood viral exanthem that starts on the trunk - spreading to the legs and neck.

Answer 17

Roseola (HHV6)

Question 18

what viral exanthem is a/w Nagayama spots.

Answer 18

Roseola

Question 19

5 sxs of congenital rubella

Answer 19

hearing loss, developmental delay, growth retardation, and cardiac and ophthalmic defects.

Question 20

what is the duration of measles vs rubella

Answer 20

measles- weeks

rubella- 3 days

Question 21

what is the classic triad presentation of Rubella

Answer 21

PDA, Cataract, and Sensorineural hearing loss.