The white communicating ramus carries which of the following?
A. Parasympathetic preganglionic fibers from the dorsal root to a spinal nerve
B. Sympathetic postganglionic fibers to a spinal nerve
C. Sympathetic preganglionic fibers to a spinal nerve
D. Sympathetic postganglionic fibers to the effector organs
E. Sympathetic preganglionic fibers to a sympathetic chain ganglion
Answer: E
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Which of the following is a vesicle?
A) lysosome B) tight junction C) anchoring junction D) hyaluronan E) communicating junction
Blood cells are made in the red bone marrow of bones, a process known as:
A) ossification. B) hematopoiesis. C) bone resorption. D) osteoporosis.
What is the typical result if there is too much or too little of a hormone present?
A) Feedback mechanisms in the body cannot correct the imbalance. B) Feedback mechanisms in the body are used to correct the imbalance. C) The endocrine gland begins to atrophy. D) The lens becomes more brittle with age causes light to refract erratically.
Which type of vessel has the greatest compliance?
A. arteries B. veins C. arterioles D. capillaries