Tutor profile: Alexander P.
Subject: Health and Medicine
A patient presents with extreme pain to the right flank/back. Urine reveals gross hematuria, but no casts. He states that he has never had pain like this before, but did recently have an episode gout. Labs are grossly normal, but with an increased uric acid level. Later he passes a kidney stone. Imaging of said stone would likely reveal what?
Rhomboid shaped crystals.
Two enzymes are developed for breaking down alcohol. Enzyme X has a Km of 10 and Enzyme Y has a Km of 0.1. If we gradually increase the amount of alcohol in the solution, which enzyme will reach Vmax first
Drug Y. Km is equal to the saturation of the substrate (alcohol) at 1/2 Vmax. So a lower Km means we need less substrate to reach Vmax.
After a car accident a patient complains of low back pain and has a loss of sensation over the mid thigh, extending over the knee and down the leg. What nerve root is likely impinged.
L4 nerve root impingement (Dermatome map question)
needs and Alexander will reply soon.