What is the causative mechanism and the structure(s) involved in avascular necrosis of the radial head?
What will be an ideal response?
ANS:
Avascular necrosis of the radial head is the result of a series of steps: (1) repeated valgus stress to the elbow joint; (2) stretching of the medial collateral ligament; (3) excessive compression of the radial head against the capitulum, resulting in cartilage deterioration; and (4) compression and reduction of the vascular supply of the head of the radius, resulting in bone death.
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A) Uremia B) Pyelonephritis C) Cystitis D) Nephritis
The gray matter is more diversified in the brainstem than in the spinal cord
a. True b. False
During a flow test a single 4 1/2-inch hydrant outlet is flowed. The actual diameter of the discharge measures 4 3/8 inches (4.375 inches) with a C factor of 0.70 . The flow pressure measured by the pitot gauge is 7 psi. What is the volume of water flowing from this discharge?
What will be an ideal response?
It is appropriate to use formal language when writing a letter to a person you know well
Indicate whether the statement is true or false