An easy quiz on sonography of the uterus:
http://www.ultrasound-images.com/amusing-pics/#Try-this-easy-quiz-on-uterus-below
Another quiz on ultrasound of the spleen:
http://www.ultrasound-images.com/spleen/#Try-this-quiz-on-spleen
http://www.ultrasound-images.com/amusing-pics/#Try-this-easy-quiz-on-uterus-below
Another quiz on ultrasound of the spleen:
http://www.ultrasound-images.com/spleen/#Try-this-quiz-on-spleen