25 practice questions: http://pages.prodigy.net/stn1/Practice%20Questions.pdf
24 sample questions with discussions: http://comlexbook.falconreviews.com/sample_cases.php
Along with a sample of Dr. Conrad Fischer’s comprehensive cases, sample questions are available with free registration for the USMLE Step 1, USMLE Step 2 CK, and USMLE Step 3 at http://www.kaptest.com/Medical-Licensing/Try-Us-For-Free.html
The United States Medical Licensing Examination (USMLE) allows one to download or view numerous sample questions and other orientation and practice materials at http://www.usmle.org/Examinations/practice_materials.html.
USMLEQuickPrep – A free sample quiz of ten questions is available at http://www.usmlequickprep.com/mod/quiz/view.php?id=175 after one completes free registration with email verification.
USMLEasy – Sample USMLE-format exams of three questions apiece for Step 1, Step 2 CK, and Step 3 are available at http://www.usmleasy.com/public/sample-exams.aspx.
USMLERx – Sample exams of twenty questions apiece are available for Step 1, Step 2 CK, and Step 3.
Three questions with answer explanations are available in the demo at http://www.combankmed.com/demo.htm; pause the demo on each question and explanation to read them.
Free week-long trials are available to Robbins Pathology Test Bank, Step 1 Question Bank, Step 2 CK Question Bank, Step 3 CCS Interactive, and the Step 3 Question Bank at http://www.usmleconsult.com/free-trial/free-trial.cfm; one must register for free to access the free trials. To maximize usage of the trials, it is recommended that one sign up for only one free trial per week.
I don’t like the website, but the sample questions look legitimate:
COMLEX – http://www.mommd.com/comlexsample.shtml
USMLE – http://www.mommd.com/usmletestsampler.shtml
I would only use these questions as a last resort since they don’t seem to match up with the format of the COMLEX and USMLE: http://www.testprepreview.com/comlex_practice.htmhttp://www.testprepreview.com/comlex_practice.htm

THANK YOU!!!!!!!!!!!!!!!!!