Answer the following statements true (T) or false (F)
1. The gray rami communicantes consist of myelinated postganglionic fibers.
2. Splanchnic nerves are mixed motor and sensory nerves.
3. The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected.
4. The celiac ganglion is primarily associated with the sympathetic division.
5. The sympathetic chain is composed of collateral ganglia.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
5. TRUE
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Generation of an action potential at an axon of a neuron may be caused by
A) a change in the number of Schwann cells surrounding the axon. B) stimulation of any portion of the dendrites of the neuron. C) input from various presynaptic cells. D) stimulation of any portion of the dendrites of the neuron and/or input from various presynaptic cells. E) All of the answers are correct.
Mitotic cell division produces ________ daughter cells with ________ chromosome content as the parent cell.
A. two; different B. four; different C. two; identical D. four; identical
What is the area where marrow is located?
A. Growth plate B. Sharpey fibers C. Medullary cavity D. Endosteum E. Periosteum
A solution with a pH of 11:
a. is an acid b. is a base c. has 10 times more OH– ions than a solution with a pH of 10 d. both B and C above