Which of the following is incorrect pertaining to the pancreas?
A) The superior mesenteric artery lies anterior to its neck.
B) Its head is embraced mainly by the descending part of the duodenum.
C) It is retroperitoneal.
D) Its main duct joins with the common bile duct before entering the duodenum.
E) It is partially supplied by branches from the splenic artery.
Ans: A
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In the anatomical position, the palms are on the:
A) superior (cranial) surface. B) posterior (dorsal) surface. C) lateral surface. D) anterior (ventral) surface.
The sodium chloride molecule breaks apart in water. What does "C" represent?
A. Sodium ion B. Water molecule C. Chloride ion D. Salt crystal E. Dissociation
Which of the following statements is inaccurate with respect to sonic muscles?
A) Rattlesnakes, cicadas, and toadfish are examples of animals with sonic muscles. B) Animals can modify their muscles to operate some 10 times faster than the fastest locomotor muscles in that animal. C) The fast speed can be attributed to some muscles being able to lengthen sarcomeres. D) Sonic muscles must have fast Ca2+ transport.
Which of the labeled structures contains cerebral spinal fluid?
a) A b) D c) E d) F e) All of these choices