You are a nurse in an emergency department and a patient presents following a bicycle accident in which he fractured his right radius and ulna. The patient complains that he cannot feel his extremity distal to the fracture. The right upper extremity is pale, painful, pulseless, and cool to the touch, and the patient complains of occasional "pins and needles" within and distal to the injury. You note a great deal of swelling around the fracture site. Which of the following is the most likely diagnosis?

What condition is described by the following: a syndrome of irritation of the patellar ligament at the tibial tuberosity, characterized by painful lumps just below the knee, most often seen in young adolescents?

A syndrome of pain in the front of the knee, frequently occurring in teenagers, manual laborers, and athletes. It's sometimes caused by wearing down, roughening, or softening of the cartilage under the kneecap.

What condition is described?

What condition will show a pencil-in-cup deformity on x-ray?

You are a nurse at an orthopedics clinic. You are taking care of a football player who suffered a very painful right knee injury. You are concerned that he may have injured the "unhappy triad." Which of the following correctly lists all components of the "unhappy triad" within the knee?

Rheumatoid arthritis typically presents with what type of deformity in the distal joints of the fingers?

What is the most common form of muscular dystrophy?

Which of the following conditions is associated with auto antibodies to presynaptic calcium channels?

What are the classic histological findings of dermatomyositis?

What dermatological condition is often seen with dermatomyositis?