Following an injury to his arm, a patient complains that he has no sensations from the thumb, index finger, middle finger, and part of the ring finger. What nerve do you suspect to be damaged?
A. Median nerve
B. Radial nerve
C. Musculocutaneous nerve
D. Ulnar nerve
E. Axillary nerve
A
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Blood supply to the pancreas is essential because the organ is the production site for important hormones used in glucose metabolism. Which of the following arteries does NOT supply the pancreas?
a. superior mesenteric artery b. left gastric artery c. splenic artery d. common hepatic artery
The crown of a tooth is covered by:
A) dentin. B) pulp. C) cementum. D) enamel.
The brachial plexus supplies nerves that function to contract which of the following?
A. the diaphragm B. intercostal muscles C. muscles of the arm and forearm D. muscles of the lower limb E. abdominal muscles
Which of the following neurons is most likely to be adrenergic?
A. Postganglionic somatic motor B. Postganglionic sympathetic C. Preganglionic sympathetic D. Postganglionic parasympathetic E. Preganglionic parasympathetic