Which structure of the eye contains blood vessels and lymphatic vessels?
A) retina
B) fibrous layer
C) sclera
D) vascular layer
E) neural layer
D) vascular layer
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Hypoxemia can be caused by all of the following EXCEPT
A) Reduced activity level. B) Inadequate ventilation. C) Reduced blood hemoglobin content. D) Some disease states.
In a redox reaction, when one reactant is oxidized, the other
A. is also oxidized. B. releases chemical energy in the form of ATP. C. is reduced. D. is hydrolyzed into a smaller molecule. E. becomes a larger, more complex molecule.
Identify the body cavities of the trunk
A) cranial cavity and the vertebral cavity B) anterior cavity (which contains the peritoneal cavity) and the posterior cavity (which contains the retroperitoneal cavity) C) thoracic cavity (which contains the pleural and pericardial cavities) and the abdominopelvic cavity (consisting of the peritoneal, abdominal, and pelvic cavities) D) thoracic cavity (which contains the peritoneal, abdominal, and pelvic cavities) and the abdominopelvic cavity (consisting of the pleural and pericardial cavities) E) superior cavity and inferior cavity
For distant vision,
A. the lens is more spherical. B. the suspensory ligaments relax. C. the ciliary muscles are relaxed. D. light is refracted more by the lens than by the humors. E. the lens is thickened.