Uworld ID

Question 0

Lyme tx?

Answer 0

Doxycycline

Question 1

Prophylaxis For TB?

Answer 1

Chloroquine for most

Mefloquine for sub-Saharan Africa and Indian subcontinent (chloroquine-resistant)

Question 2

Nocardia tx?

Answer 2

Bactrim

Question 4

Tx for dog/human bite?

Answer 4

Amoxicillin-clavulanate

Question 5

Immunocompromised pt with pulmonary nodule with halo sign?

Answer 5

aspergillosis

Question 6

hemochromatosis predisposes to what infections?

Answer 6

Lysteria, Yersinia enterocolitica, Vibrio vulnificus

Question 7

Causal drug in pt with HIV who presents with crystal-induced nephropathy? pancreatitis? liver failure? hypersensitivity?

Answer 7

indinavir (protease-inhibitor)
didanosine
nivirapine
abacavir

Question 8

Class of HIV drugs that cause lactic acidosis? SJS?

Answer 8

NRTI (nucleoside reverse transcriptase inhibitor)

NNRTI

Question 9

Most common cause of pneumonia in nursing home pts?

Answer 9

Strep pneumonia

Question 10

pt with syphilis who is allergic to penicillin?

Answer 10

give doxycycline

Question 11

pt with with skin-colored, verrucous, papilliform lesions. Tx?

Answer 11

HPV

1. chemical agents (trichloroacetic acid, 5FU epinephrine cream, podophyllin)
2. Immune therapy (imiquimod, alpha-interferon)
3. Surgery

Question 12

pt with HIV who presents with CD4 count<50. In addition to HAART, add?

Answer 12

Bactrim for PCP prophylaxis

Azithromycin for MAI prophylaxis

Question 13

tx of pt with severe PCP?

Answer 13

bactrim and steroids

Question 14

Diagnose leprosy with?

Answer 14

Acid-fast stain of skin biopsy

Question 15

Measles vs Rubella?

Answer 15

koplik spots vs arthritis

Question 16

Signs of Malignant Otitis externa? Cause? Common in pts with history of?

Answer 16

1. granulation tissue on external ear canal
2. otorrhea
3. severe ear pain radiating to TMJ

Psudomonas

Diabetes

Question 17

Pt with puncture wound who gets osteomyelitis. Organism?

Answer 17

Pseudomonas

Question 18

AIDS pt with palatal ulcers, hepatosplenomegaly, pancytopenia?

Answer 18

histoplasmosis

Question 19

Pt with PID should be tested for?

Answer 19

HIV, RPR (syphilis), hep B, pap smear

Question 20

Pt with anemia and periodic fevers. Look for?

Answer 20

Malaria. Hepatosplenomegaly

Question 21

Atypical lymphocytes are seen in what infections?

Answer 21

Mono, toxoplasmosis, rubella, roseola, viral hepatitis, mumps, CMV, HIV

Question 22

When to test for EBV-specific antibodies?

Answer 22

Pt with suspected mono with negative heterophile antibodies

Question 23

Post contact with sand in Southeast US - can get? findings?

Answer 23

Cutaneous larva migrans (Ancylostoma brasiliense)

Pt presents with puritic, erythematous papules that progressed to reddish-brown elevated lesions?

Question 24

Blastomyosis skin lesions?

Answer 24

violet, verrucous or ulcerative/crusting lesions with sharp border

Question 25

Tx options for influenza?

Answer 25

Oseltamivir and Zanamivir if influenza A can also use Rimantadine or Amantadine

Question 26

Pt post GI/viral infection can get this? Typical presentation?

Answer 26

Gullian-Barre. Numbness/tingling in fingers/toes that ascends

Question 27

Trichinella - transmitted via? symptoms?

Answer 27

undercooked pork ``` Triad: 1. periorbital swelling 2. myositis 3. Eosinophilia Can also get splinter hemorrages, conjuntival hemorrhages ```

Question 28

Pt with sore throat, fever, malaise, exudative tonsilitis, and splenomegaly. May develop?

Answer 28

Mono. Autoimmune hemolysis

Question 29

``` Empiric meningitis tx for pts age: 1. < 3 months 2. children and adults 3. elderly 4 post-neurosurgery ```

Answer 29

1. cefotaxime (avoid ceftriaxone in neonates) and ampicillin 2. Vanc and ceftrixaone 3. Vanc, ceftriaxone and ampicillin 4. Vanc and ceftazidime (anti-pseudomonal)

Question 30

Toxic shock syndrome. Caused by? Signs?

Answer 30

Staph. Erythema that starts on trunk, strawberry tongue, conjunctival hyperemia

Question 31

Pathogenesis of giardia? Pt typically returns from?

Answer 31

Trophozoites adhere to mucosal surface by adhesive disks and produce malabsorption. 3rd world or rocky mountains

Question 32

Only give anti-influenza drugs if?

Answer 32

Within 2 days of symptom onset

Question 33

Most common cause of osteomyelitis? Osteomyelitis after nail puncture wound?

Answer 33

Staph aureus. Pseudomonas

Question 34

Pt with idiopathic thrombocytopenia - test for?

Answer 34

HIV and Hep C

Question 35

Signs of erlichiosis?

Answer 35

``` #flulike symptoms (high fever, myalgias) #confusion #No rash ``` ``` Labs: #Leukopenia and thrombocytopenia #elevated LFTs ```

Question 36

Toxoplasmosis tx? Ppx?

Answer 36

Sulfadiazine and pryimethamine Bactrim

Question 37

Diagnose histoplasmosis with? Treatments?

Answer 37

Urine test ``` #itraconazole #Amphotericin and itraconazole if fever over 103 or fungemia ```

Question 38

Leprosy presents as?

Answer 38

``` #Hyperpigmented plaque that does not have sensation #progresses to muscle atrophy and distal deformities ```

Question 39

HIV pt with large red nodules?

Answer 39

Bacillary angiomatosis

Question 40

Pnemonia and GI (diarrhea) in transplant patient - suspected diagnosis?

Answer 40

CMV