USMLE forum
Step 1
Step 2 CK
Step 2 CS
Matching & Residency
Step 3
  <<   < *  Step 1   *  >   >>  

*  Question MICRO - 2
  hopkinsk - 06/19/17 00:57
  A 31 year old previously healthy woman has developed a low volume diarrhea over the past two days. The stool is dark and is positive for occult blood. A colonoscopy reveals a friable mucosa with superficial ulcerations extending from the rectum to the cecum. She is then noted to have an increasing serum urea nitrogen and creatinine. Her condition improves with antibiotic therapy. Which of the following infectious agents is most likely to produce these findings:

A Staphylococcus aureus

B Shigella flexneri

C Cryptosporidium parvum

D Campylobacter jejuni

E Vibrio cholerae
Report Abuse


* Re: Question MICRO - 2
  halux - 06/19/17 12:38
  I'm not 100% sure but it could be

B) Shigella flexneri:
- Can be treated w/ Antibiotics
- Increased BUN/ Cr can be caused by HUS which is a possible complication.
- bloody diarrhea can be seen

Campylobacter is more likely to cause Guillian Barre Syndrome and Reactive Arthritis as complication...

**Correct me if I'm wrong, but with an explanation please**
Report Abuse

          Page 1 of 1          

[<<First]   [<Prev]  ... Message ...  [Next >]   [Last >>]

Logon to post a new Message/Reply




Step 1 Step 2 CK Step 2 CS Matching & Residency Step 3 Classifieds
LoginUSMLE LinksHome