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
B. Sympathetic preganglionic fibers to a sympathetic chain ganglion
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Where are the visual pigments located in the rods and cones?
A) in the inner segment of photoreceptors B) in mitochondria located in the outer segment C) inside membrane discs stacked in the outer segment D) inside a photosensitive nucleus E) sandwiched in the cell membrane of the photoreceptors
Blood flow to the skin ________.
A) is controlled mainly by decreasing pH B) increases when environmental temperature rises C) increases when body temperature drops so that the skin does not freeze D) is not an important source of nutrients and oxygen for skin cells
The spinal meninges function to
A) assist in delivering nutrients and oxygen to the spinal cord. B) stabilize the spinal cord. C) absorb shocks to the spinal cord. D) protect the spinal cord. E) All of the answers are correct.
This is the formation of a new glucose molecule
a) glycolysis b) gluconeogenesis c) glucosamine d) glucose e) calcitriol