Dislocated right elbow. Patient was roller skating on a sidewalk, and fell after running into a wall when he was unable to stop in time. Which of the following external cause codes should be assigned?

Morbid obesity refers to patients whose body weight is greater than how many pounds over their ideal weight?

a. 15 b. 50 c. 75 d. 100

Which is true of calcium oxalate crystals?

A. They look like coffin lids. B. They can be seen after ingesting large doses of tomatoes or spinach. C. They may appear pink to the naked eye. D. They appear yellowish under the microscope.