The structure that functions as a diaphragm to control pupil size is the
A. ora serrata.
B. suspensory ligament.
C. iris.
D. cornea.
E. anterior chamber.
C
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The ____________________ horns in the spinal cord contain autonomic nerve fibers that supply cardiac and smooth muscle and glands
Fill in the blank(s) with correct word
The two common iliac veins form the
A) femoral vein. B) greater saphenous vein. C) inferior vena cava. D) hepatic portal vein. E) innominate vein.
Where does one feel pain during a liver or gallbladder attack?
A) superior left shoulder B) superior right shoulder C) abdomen D) thoracic cavity
Which of the following associations pertaining to the muscles of the larynx is incorrect?
A) posterior cricoarytenoid muscles—widen rima glottidis B) cricothyroid muscles—raise pitch of voice C) thyroarytenoid muscles—lower pitch of voice D) lateral cricoarytenoid—adduct vocal folds E) transverse and oblique arytenoid muscles—relax upon swallowing