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Unformatted text preview: ox is the only disease that humans have completely eradicated.
E. Poliomyelitis can sometimes result in muscle weakness and paralysis.
44. Which of the following statements is CORRECT?
A. Ganglia frequently come in pairs in animals that show bilateral symmetry.
B. Neurons have a uniform shape throughout the nervous system.
C. All neurons are myelinated by glial cells.
D. The area where two neurons come into close contact with each other and pass along
information is at the node of Ranvier.
E. Neurons that transmit information from sensory cells to the central nervous system are part of
the spinal cord.
45. Which of the following statements about acetylcholine is FALSE?
A. The acetylcholine receptor is a chemically gated calcium channel.
B. Acetylcholine is released at all neuromuscular junctions.
C. Acetylcholine is an excitatory neurotransmitter.
D. Acetylcholine is degraded by acetylcholinesterase.
E. Acetylcholine in the synaptic cleft is degraded into acetyl CoA and choline. 46. Patch clamping
A. aids in remyelination of a neuron.
B. fixes a break in the neuron plasma membrane.
C. records ion movements through ion channels.
D. inhibits impulse conduction along an axon.
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This test prep was uploaded on 02/13/2014 for the course MCDB 1B taught by Professor Weimbs during the Winter '08 term at UCSB.
- Winter '08