The cremasteric muscle a is derived from the internal

12. The cremasteric muscle
A. is derived from the internal oblique muscle
B. is derived from the external oblique muscle
C. is made up of smooth muscle
D. contracts when the temperature of the testicle increases
E. lines the interior of the tunica vaginalis
13. Which of the following is NOT true about the mesentery?
14. Which of the following is the LEAST important in preventing gastro-esophageal reflux?

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15. Which artery directly supplies the greater curvature of the stomach (i.e., not one of its
branches)?
16. Which of the following statements about the liver is true?
A. It does not have autonomic nerve innervation
B. The hepatic portal vein supplies it with oxygenated blood
C. The hepatic artery proper supplies 70% of the blood flow to the liver
D. A line between the inferior vena cava and the gall bladder separates the right lobe
from the caudate and quadrate lobes
E. It is located entirely within the right upper quadrant of the abdomen
17. A patient with cirrhosis of the liver develops esophageal varicose veins. These are
directly fed by the
18. Which of the following structures normally has bi-directional bile flow (i.e., in opposite
directions at different times)?
19. The descending colon receives most of its arterial blood supply from the _________
branch of the __________ artery.

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