infectious

Question 1

anti DNAse B (deoxyribonuclease) titers

Answer 1

for acute strep glomerulonephritis assoc with impetigo

Question 2

C3 levels in acute post strep glomerulonephritis

Answer 2

low

Question 3

antibodies to check for post streptococcal infections related to GAS

Answer 3

Anti streptolysin O

Question 4

Acute cerebellar ataxia is a complication after what infection

Answer 4

varicella

Question 5

pleomorphic pruritic rash consisting of macules, papules, vesicles on an erythematous base and pustule with associated crusting of older lesions

Answer 5

varicella

Question 6

most common cause of brain abscess formation in infant less than 4 week

Answer 6

Citrobacter koseri

Question 7

What is erysipelas

Answer 7

skin lesions from GAS toxin

Question 8

description of erysipelas rash

Answer 8

more superficial than cellulitis, raised advancing edges sharply demarcated borders and associated lymphadenopathy

Question 9

Finding on CBC for Chlamydia Trachomatis

Answer 9

peripheral eosinophilia

Question 10

descrptions of symptoms from Chlamydia Trachomatis

Answer 10

staccato like cough, nasal stuffiness and rales in the absece of wheezing

Question 11

When does chlamydial conjunctivitis of newborn present

Answer 11

days to weeks after birth

Question 12

Treatment for chlamydia conjunctivitis or pneumonia

Answer 12

erythromycin PO for 14 days or azithromycin for 3 days

Question 13

erythromycin given orally in the 1st two weeks of life is associated with what condition

Answer 13

pyloric stenosis

Question 14

What are 3 phases of Pertussis

Answer 14

Catarrhal
Paroxysmal
Convalescent

Question 15

Paroxysmal stage of pertussis

Answer 15

dry, intermittent, irritating “Hacking” cough followed by inexorable paroxysms, posttussive emesis/exhaustion, and often and inspiratory “whoop”

Question 16

bone findings of congenital syphylis

Answer 16

transverse bands of increased density across the metaphyses with patchy areas of bone destruction in the diaphyses

Question 17

early findings of congenital syphylis

Answer 17

contagious ulcerated cutaneous lesions of palms and soles, mucous patches, condylomatous lesions, generalized lymphadenopathy, splenomegaly, jaundice, hemorrhagic rhinitis

Question 18

complement levels in syphylis

Answer 18

decreased

Question 19

electrolyte derangements in fanconi syndrome

Answer 19

hypophos and low levels calcitriol

Question 20

German measles is what

Answer 20

rubella

Question 21

Findings of rubella

Answer 21

fever, generalized malaise, HA, sore throat, cough and or coryza. posterior cervial, auricular and suboccipital lymphadenopathy

Question 22

progression of rubella

Answer 22

rash for 72 hours then spreads to trunk and disappears by 3rd day.

Question 23

prodrom of rubeola

Answer 23

fever, cough, coryza, conunctivitis, koplik spots

Question 24

signs of early disseminated lyme disease

Answer 24

aseptic meningitis, uveitis, cranial nerve palsies and carditis

Question 25

what are birbeck granules

Answer 25

intracytoplasmic inclusion bodies that appear as rod or tennis racquet shaped structures

Question 26

Birbeck granules are seen with what

Answer 26

langerhans cell histiocytosis

Question 27

skin lesions in langerhans cell histiocytosis

Answer 27

yellowish brown erythematous with crusting and surrounding petechiae

Question 28

langerhans histiocytosis can present with what other conditions

Answer 28

seizures, hearing loss, diabetes inspidus and cranial nerve palsies

Question 29

patients with cyclic neutropenia are at risk for sepsis with which organism

Answer 29

Clostridium septicum

Question 30

what are symptoms of black widow spider bite

Answer 30

severe cramping wthin 30-60 minutes of the bite

Question 31

signs of brown recluse spider bite

Answer 31

swelling 2-8 hours after and formation of hemorrhagic vesicle that may become necrotic and eschar in 10 days

Question 32

findings on peripheral smear of patient with HUS

Answer 32

helmet and burr cells from endothelial injury

Question 33

which URI virus is associated with hemorrhagic cystitis

Answer 33

adenovirus

Question 34

triad with disseminated gonococcal infection

Answer 34

tenosynovitis, dermatitis-vesicular and polyarthralgias

Question 35

treatment for listeria

Answer 35

IV penicillin G or ampicillin

Question 36

Findings of familial Mediterranean fever

Answer 36

fever, abdominal and testicular pain, swelling of knees and ankles

Question 37

findings congenital rubella

Answer 37

microcephaly, cataracts and PDA

Question 38

progression of chlamydia trachomatis genital infection

Answer 38

femoral lymphadenopathy. Primary lesions small painelss papule that turns to ulceration heals. Then painful inguinal and femoral lymph nodes 2-6 weeks after that are unilateral

Question 39

treatment for lymphogranuloma venerium (C trachomatis)

Answer 39

doxy for 3 weeks or erythro for 21 days

Question 40

Which STD causes chancroid

Answer 40

Haemophilus ducreyi

Question 41

what is a chancroid

Answer 41

painful lesion in genital region with inguinal lymphadenitis

Question 42

sepsis and ketones and urinary resducing substances

Answer 42

galactossemia Not hereditary fructose intolerance

Question 43

Treatment for cyptosporidium

Answer 43

when Sx greater than 2 weeks. Nitazoxanide

Question 44

Signs of congenital variclla

Answer 44

aplasia, microcephaly, hydrocephaly, calcifications, microphthalmia, optic atrophy, cataracts, chorioretinitis, limb atrophy and malformations, cicatricial scarring of extremities, hypopigementation

Question 45

treatment of listeria monocytogenes

Answer 45

amp and gent

Question 46

teen with symmetric erythematous swelling of hands anf feet- wrist and ankles with papules, petechiae and purpura. what is the organism causing this

Answer 46

parvovirus B19- Papular purpuris gloves and socks syndrome

Question 47

electrolyte abnormality with rocky mountain spotted fever

Answer 47

hyponatremia

Question 48

presentation rocky mountain spotted fever

Answer 48

prodromal symptoms 3-5 days then erythematous papular rash peripherally that turns into petechial lesions and moves centrally

Question 49

treatment for exposure to someone with invasive meningococcal disease

Answer 49

rifampin BID for 2 days

Question 50

teen greater than 13 years of age with no history varicella vaccination-- next step

Answer 50

if no history of natural infection do one dose now and 2nd in 4 weeks

Question 51

what type of WBCs have an issues in Job's syndrome (IgE)

Answer 51

neutrophils do not adhere to endothelium so secretion of chemotactic chemokines bring eosinophils to the tissues

Question 52

What type of lymphocyte is affected in DiGeorge syndrome

Answer 52

T cells due to thymic aplasia

Question 53

genital ulcer with wright stain showing rod shaped oval organisms within the cytopasm of mononuclear phagocytes

Answer 53

klebsiella granulomatous

Question 54

chancroid with gram stain showing gram negative coccbacilli in parallel clusters

Answer 54

haemophilus ducreyi

Question 55

patients with cyclic neutropenia are at risk of what bacterial infection

Answer 55

clostridium septicum

Question 56

erlichia is present where

Answer 56

south central, south east- Arkansas

Question 57

anaplasma is located where

Answer 57

northeast and upper midwest

Question 58

test most useful for acute EBV infection

Answer 58

IgM to the capsid antigen of EBV

Question 59

treatment for congenital CMV for infant

Answer 59

6 months oral valacyclovir

Question 60

neonate with microcephaly, intracranial calcifications, hepatosplenomegaly and petechial rash and hepatitis

Answer 60

congenital CMV

Question 61

first step in management epiglotitis

Answer 61

SECURE airway. not antibiotics first.

Question 62

cause of watery diarrhea from community pool source

Answer 62

shigella sonei

Question 63

varicella invasive infection is associated with what secondary bacterial infection

Answer 63

GAS

Question 64

acute unilateral blindness and history of puppies at home

Answer 64

toxocariasis

Question 65

suspect HSV in mother and infant just born, when do you start evaluation

Answer 65

24 hours. else could be contamination

Question 66

pulmonary consolidation, lives in california and has lytic bone lesion on xray- next step in diagnosis

Answer 66

serology for coccidiomycosis

Question 67

how do you get ascaris lumbricoides

Answer 67

ingestion soil contaminated food

Question 68

which worm enters by dermal penetration

Answer 68

hook worms- necator americanos