The three key landmarks for the IA nerve block are the pterygomandibular raphe, the coronoid notch, and the external oblique ridge

A 28 year old man cut himself with a knife while slicing a rack of ribs. To control the patient's hemorrhage, the initial step is to:

a. Apply a tourniquet below the site b. Immobilize the part c. Apply direct pressure d. Give topical antibiotic

What could cause a patient to suffer a fracture without the presence of trauma?

A. A precious incomplete fracture. B. Low potassium. C. Degenerative disease. D. Hypocalcaemia