The contractile structure that surrounds the pupil is the ________.
A. ciliary ring
B. iris
C. ciliary muscle
D. retina
E. sclera
Answer: B
Anatomy & Physiology
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Deep vein thrombosis, heart attack, and high blood pressure are all diseases of the ________ system.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Postganglionic fibers that innervate targets in the body wall or thoracic cavity originate on neurons within
A) intramural ganglia. B) collateral ganglia. C) sympathetic chain ganglia. D) suprarenal ganglia. E) white rami communicantes.
Anatomy & Physiology
The vestibular complex is filled with
A) endolymph. B) plasma. C) CSF. D) perilymph. E) None of the answers are correct.
Anatomy & Physiology
Which herbal supplement may cause photosensitivity?
a. gingko b. ginseng c. cranberry d. St. John's Wort
Anatomy & Physiology