What is the origin of the postganglionic fibers that cause the pupil to dilate?

A. Optic ganglion
B. Ciliary ganglion
C. Splanchnic nerves
D. Solar plexus
E. Carotid plexus


E. Carotid plexus

Anatomy & Physiology

You might also like to view...

There are three pairs of nasal conchae in the nasal cavity; the superior and middle pairs are part of the ethmoid bone, but the inferior ones are separate bones

Indicate whether this statement is true or false.

Anatomy & Physiology

When blood calcium levels rise above normal, osteoclast activity is inhibited by the hormone ___.

Anatomy & Physiology

The figure illustrates the joints and bones of the rib cage. What does "B" represent?

A. costochondral joint B. sternum C. manubrium D. sternal symphyses E. sternocostal synchrondrosis

Anatomy & Physiology

The background rate of sympathetic and parasympathetic activity is called ___________.

A. "fight-or-flight" activity B. visceral motor activity C. autonomic reflex arc activity D. visceral tone E. autonomic tone

Anatomy & Physiology