Eyelids serve two purposes: one is to protect the eye and the other is to
A. help spread antiviral solution.
B. prevent excess mucus from obscuring vision.
C. help distribute lacrimal fluid to cleanse and lubricate the surface.
D. help distribute blood to the eye surface.
E. help to control the transmission of the nerve impulse to the retina.
Answer: C
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The reabsorption of glucose occurs primarily through the walls of the
A. nephron loop. B. distal convoluted tubule. C. glomerular capsule. D. proximal convoluted tubule.
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A) the cell wall of bacteria. B) the plasma membrane of bacteria. C) two antibodies attached to an antigen. D) a cell surface antigen. E) a plasma protein.
The space superficial to the meninges in the spinal cord area and in which an anesthetic is injected to block pain impulses from the pelvic area is the
A) dural sinus. B) epidural space. C) subarachnoid space. D) subdural space.