Myoglobin is a molecule within muscle cells that can bind
A. creatine phosphate.
B. oxygen.
C. hemoglobin.
D. acetylcholine.
E. ATP.
B
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The white communicating ramus carries which of the following?
A. Sympathetic postganglionic fibers to the effector organs B. Sympathetic preganglionic fibers to a sympathetic chain ganglion C. Parasympathetic preganglionic fibers from the dorsal root to a spinal nerve D. Sympathetic preganglionic fibers to a spinal nerve E. Sympathetic postganglionic fibers to a spinal nerve
Histological examination of a tissue shows several layers of keratinized flattened cells. This sample most likely came from ________.
A. the lining of the oral cavity B. the lining of the digestive tract C. the lining of the urinary bladder D. the epidermis of the skin
What ocular disorder results in an increase in intraocular pressure?
A. Astigmatism B. Conjunctivitis C. Myopia D. Glaucoma
Along the length of a typical capillary, blood pressure gradually falls from about __________.
a. 15 to 5 mm Hg b. 35 to 18 mm Hg c. 75 to 50 mm Hg d. 120 to 80 mm Hg