Following a radical mastectomy, a plastic surgeon uses a pedicled myocutaneous flap of the suprapubic portion of the rectus abdominis muscle to reconstruct the breast. What artery, supplying blood to the myocutaneous flap, needs to be iso- lated, transected, and later grafted to the reconstruction site?
(A) Superficial epigastric artery
(B) Superior epigastric artery
(C) Inferior epigastric artery
(D) Inferior mesenteric artery
(E) Musculophrenic artery
Answer: (C) Inferior epigastric artery
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Increased concentrations of plasma proteins, increased venous pressure, and lymphatic obstruction all tend to cause tissue edema.
Answer the following statement true (T) or false (F)
In negative feedback mechanisms, changes away from the normal state
A. stimulate changes in the same direction. B. stimulate a reduction in all requirements of the body. C. stimulate changes in the opposite direction. D. inhibit all body reactions.
What is the function of the serous membranes?
What will be an ideal response?
Fast fibers
A) have loosely packed myofibrils. B) have a high concentration of myoglobin. C) have many mitochondria. D) have high glycogen reserves. E) are about half the diameter of slow fibers.