A 27-year-old woman has suffered a gun- shot wound to her midabdomen. After examining the patient's angiogram, a trauma surgeon locates the source of bleeding from pairs of veins that typically terminate in the same vein. Which of the following veins are damaged?
(A) Left and right ovarian veins
(B) Left and right gastroepiploic veins
(C) Left and right colic veins
(D) Left and right suprarenal veins
(E) Left and right hepatic veins
Ans: (E) Left and right hepatic veins
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The azygos vein is located on the left side of the vertebrae.
Answer the following statement true (T) or false (F)
A) increasing the permeability to K+ and decreasing the permeability to Ca2+.
A) increasing the permeability to K+ and decreasing the permeability to Ca2+. B) just increasing the permeability to Ca2+. C) just increasing ion influx, thus increasing the rate of depolarization. D) just decreasing the permeability to Ca2+. E) just increasing the permeability to K+.
Many genes occur in alternative forms called alleles.
Answer the following statement true (T) or false (F)
The increasing concentration of salt and urea in the renal medulla that continues to draw water out of the descending limb is called
A. countercurrent mechanism. B. diuresis. C. secretion. D. antidiuresis.