Neural Control and Coordination Question 24

24. Injury to vagus nerve in humans is not likely to affect

(a) tongue movements

(b) gastrointestinal movements

(c) pancreatic secretion

(d) cardiac movements

Show Answer

Answer : a

Hints & Solutions

(a) Muscles of the tongue are invested by the 12th cranial nerve, Hypoglossal. The 10th cranial nerve, vagus supplies the viscera of the thorax, abdominal region and thus controls gastrointestinal, cardiac movements and pancreatic secretion.