Image Based Question – 74407

In this diagram, identify the structure whose paralysis causes decrease in respiratory movements?

A. A

B. B

C. C

D. D

Correct Answer » A Explanation

Ans: A. A

(Ref: Gray’s 41Ic p970, 40/e p218)

• Phrenic nerve (A) paralysis causes decrease in respiratory movements.
• A: Phrenic nerve; B: Vagus nerve; C: Vertebral artery; D: Recurrent laryngeal nerve