Infectious Disease

Question 1

four signs and symptoms of streptococcal pharyngitis

Answer 1

fever, pharyngeal erythema, tonsillar exudate, and lack of cough

Question 2

non-suppurative complication of streptococcal infection that is not altered by tx of primary infection

Answer 2

post-infectious glomerulonephritis

Question 3

most common predisposing factor for acute sinusitis

Answer 3

viral URI

Question 4

asplenic pts are particularly susceptible to these organisms

Answer 4

encapsulated organisms –> SHiNK (strep pneumo, h. influenaze, n. meningitis, klebsiella)

Question 5

number of bacteria needed on a clean catch specimen to diagnose UTI

Answer 5

10^5

Question 6

pt from cali presents w/ fever, malaise, cough, and night sweats. dx? tx?

Answer 6

coccidioidomycosis; tx w/ amphotericin B

Question 7

non-painful chancre

Answer 7

primary syphilis

Question 8

blueberry muffin rash is characteristic of what congenital infection

Answer 8

rubella

Question 9

meningitis in neonates. causes? tx?

Answer 9

GBS, e coli, and listeria; tx w/ gentamicin and ampicillin

Question 10

meningitis in infants. causes? tx?

Answer 10

pneumococcus, meningococcus, h. influenzae; tx w/ cefotaxime and vancomycin

Question 11

characteristics of secondary lyme dz

Answer 11

arthralgias, migratory polyarthropathies, bell’s palsy, myocarditis

Question 12

cold agglutinins

Answer 12

mycoplasma

Question 13

risk factors for pyelonephritis

Answer 13

pregnancy, VUR, anatomic anomalies, indwelling catheters, kidney stones

Question 14

neutropenic nadir postchemotherapy

Answer 14

7-10 days

Question 15

erythema migrans

Answer 15

primary lyme dz

Question 16

classic physical findings for endocarditis

Answer 16

fever, heart murmur, olser’s nodes, splinter hemorrhages, janeway lesions, roth spots

Question 17

asplastic crisis in sickle cell dz

Answer 17

parvovirus b19

Question 18

branching rods in oral infection

Answer 18

actinomyces israelii

Question 19

weakly gram +, partially acid fast in lung infection

Answer 19

nocardia asteroides

Question 20

painful chancroid

Answer 20

haemophilus ducreyi

Question 21

dog or cat bite

Answer 21

posteurella multocida

Question 22

gardener

Answer 22

sporothrix schenckii

Question 23

raw pork and skeletal muscle cysts

Answer 23

trichinella spiralis

Question 24

sheepherders w/ liver cysts

Answer 24

echinococcus granulosus

Question 25

perianal itching

Answer 25

enterobius vermicularis

Question 26

prego women w/ pets

Answer 26

toxoplasma gondii

Question 27

meningitis in adults

Answer 27

neisseria meningitidis

Question 28

meningitis in elderly

Answer 28

strep pneumo

Question 29

meningoencephalitis in AIDS pts

Answer 29

cryptococcus neoformans

Question 30

alcoholic w/ pneumonia

Answer 30

klebsiella

Question 31

currant jelly sputum

Answer 31

klebsiella

Question 32

malignant external otitis

Answer 32

pseudomonas

Question 33

infection in burn victims

Answer 33

pseudomonas

Question 34

osteomyelitis in foot wound puncture

Answer 34

pseudomonas

Question 35

osteomyelitis in a sickle cell pt

Answer 35

salmonella

Question 36

3 most common causes of fever of unknown origin

Answer 36

infection, cancer, and autoimmune dz

Question 37

PPD indurations that are considered positive in various pt groups...

Answer 37

>5 mm = immunocomp. pts, recent contacts w/ known TB >10 mm = recent immigrants from TB areas, injection drug users, residents/employees of high risk settings, TB labs, children 15 mm = all pts

Question 38

HIV pt w/ CD4 less than 200. bug? prophy?

Answer 38

PCP w/ TMP-SMX

Question 39

HIV pt w/ CD4 less than 50. bug? prophy?

Answer 39

MAC w/ azithromycin

Question 40

HIV pt w/ CD4 less than 100. bug? prophy?

Answer 40

toxoplasma gondii w/ TMP-SMX

Question 41

``` CSF findings for bacterial meningitis? RBCs = ? WBCs = ? glucose = ? protein = ? opening pressure = ? appearance = ? ```

Answer 41

``` CSF findings for bacterial meningitis? RBCs = normal WBCs = increased (> 1000 PMNs) glucose = decreased protein = increased opening pressure = increased appearance = cloudy/purulent ```

Question 42

``` CSF findings for viral meningitis? RBCs = ? WBCs = ? glucose = ? protein = ? opening pressure = ? appearance = ? ```

Answer 42

``` CSF findings for viral meningitis? RBCs = normal WBCs = increased (mono/lymph) glucose = normal protein = normal to increased opening pressure = normal to increased appearance = usually clear ```

Question 43

``` CSF findings for aseptic meningitis? RBCs = ? WBCs = ? glucose = ? protein = ? opening pressure = ? appearance = ? ```

Answer 43

``` CSF findings for aseptic meningitis? RBCs = normal WBCs = increased glucose = normal protein = normal to increased opening pressure = normal appearance = clear ```

Question 44

``` CSF findings for SAH? RBCs = ? WBCs = ? glucose = ? protein = ? opening pressure = ? appearance = ? ```

Answer 44

``` CSF findings for SAH? RBCs = increased WBCs = increased glucose = normal protein = increased opening pressure = normal to increased appearance = yellow to red ```

Question 45

``` CSF findings for GBS? RBCs = ? WBCs = ? glucose = ? protein = ? opening pressure = ? appearance = ? ```

Answer 45

``` CSF findings for GBS? RBCs = normal WBCs = normal glucose = normal to increased protein = increased opening pressure = normal appearance = clear to yellow ```

Question 46

``` CSF findings for pseudotumor cerebri? RBCs = ? WBCs = ? glucose = ? protein = ? opening pressure = ? appearance = ? ```

Answer 46

``` CSF findings for pseudotumor cerebri? RBCs = normal WBCs = normal glucose = normal protein = normal opening pressure = increased appearance = clear ```

Question 47

triad of disseminated gonococcal infection?

Answer 47

polyarthralgias, tenosynovitis, and vesiculopustular skin lesions