A localized dilation of an artery as a result of a localized weakness of the vessel wall is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
aneurysm
An aneurysm is a circumscribed dilation of an artery or cardiac chamber. Common sites occur in the brain and along the aorta, mostly the abdominal aorta. They can rupture, leading to severe bleeding and hypovolemic shock. Surgical repair consists of excision of the aneurysm and replacement with a synthetic graft.
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Superantigens differ from regular peptide antigens because they
A. bind outside the peptide-binding groove. B. activate a larger proportion of T cells. C. interact with the V? domain of the TCR. D. can result in toxic shock. E. All of the above
The vertebral column is composed of a series of separate vertebrae connected in such a way as to form four spinal curves. Name the four spinal curves, and give the number of vertebrae in each
What will be an ideal response?
In the context of leg-length discrepancies, functional leg length can be measured from:
A. The posterior superior iliac spine to the medial malleolus B. The umbilicus to the medial malleolus C. The anterior superior iliac spine to the lateral malleolus D. The greater trochanter to the lateral malleolus
Which of the following does the "morning after" pill do?
A. Prevent amenorrhea B. Prevent pregnancy C. Speed up pregnancy D. Increase sex drive