Weakness of the chewing muscles, and numbness of the skin of the jaw could be an injury to which cranial nerve?
A. The accessory nerve (XI)
B. The trigeminal nerve (V)
C. The facial nerve (VII)
D. The abducens nerve (VI)
E. The hypoglossal nerve (XII)
Answer: B. The trigeminal nerve (V)
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Which of the following statements regarding the pancreas is true?
A. The pancreatic duct carries both enzymes and hormones. B. The pancreas assists the stomach in the absorption of digested food. C. The pancreas digests sugar. D. The head of the pancreas lies in the curvature of the ileum. E. The pancreatic acinar cells secrete digestive enzymes.
An accumulation of ________ and lack of ATP appear to cause cramping and fatigue in muscles.
A. oxygen B. lactic acid C. carbon dioxide D. pyruvic acid
What is the anatomical term for the "pacemaker" of the heart?
A) Terminal branch B) Bundle branch C) AV node D) SA node
Synaptic vesicles in the neuromuscular junction contain
A. acetylcholine. B. ATP. C. calcium. D. sodium. E. acetylcholinesterase.