The collateral trigone is located where the ____________________ and ____________________ horns meet in the lateral ventricle.
Fill in the blank(s) with the appropriate word(s).
temporal, occipitaloccipital, temporal
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In "wet" macular degeneration, capillaries form below the weakened retina and leak blood and fatty materials, leading to vision loss. One treatment for this condition is injection of a VEGF (vascular endothelial growth factor) inhibitor directly into the affected eye areas. How would this treat the condition?
A. VEGF inhibits capillary growth. Blocking release of VEGF will allow new, stronger capillaries to form in the eye and stop leaks. B. VEGF stimulates growth of capillaries. Blocking VEGF will stop weak, leaky capillaries from growing in the eye. C. VEGF signals for blood vessel breakdown. Blocking VEGF will prevent the capillaries from becoming weak and leaking. D. VEGF stimulates the endothelium of arteries to secrete nitric oxide, which relaxes smooth muscle surrounding the capillary. Blocking VEGF prevents the capillaries from relaxing and allowing blood to leak out.
The placenta allows
A) maternal blood to mix with fetal blood. B) carbon dioxide and other wastes to diffuse from the maternal blood to the embryonic blood. C) oxygen and nutrients to diffuse from maternal blood to the embryo. D) the fetus to enlarge without rupturing the mother's abdomen.
The head of the radius is distal; the head of the ulna is proximal.
Answer the following statement true (T) or false (F)
If pure water and a solution containing a nonpenetrating solute are separated by a membrane that is permeable only to water, what would occur?
A. Water will diffuse by osmosis until the water concentrations in the two compartments become equal. B. Water will diffuse by osmosis until all of the water is on the same side as the solute. C. Water will diffuse by osmosis toward the side with the solute, until stopped by opposing hydrostatic pressure. D. No movement will occur between the compartments. E. Water will diffuse by osmosis away from the side with the solute, until stopped by hydrostatic pressure.