As the result of an accident, the white rami communicantes of spinal nerves T1 and T2 on the left side of Brad's body are severed. What organ(s) would you expect to be affected by this injury?
A) left pupil
B) right pupil
C) heart
D) both pupils
E) left pupil and heart

Question

Quizplus · Accepted Answer

The white rami communicantes of spinal nerves T1 and T2 on the left side of the body contain sympathetic fibers that innervate the heart and the dilator pupillae muscle of the left eye. Severing these fibers would result in loss of sympathetic innervation to these organs, leading to constriction of the left pupil and decreased heart rate.

As the Result of an Accident, the White Rami Communicantes