Nicotine receptors are found in ________ in the periphery and in ________ in the brain.
A) cardiac fibers; glial cells
B) muscle fibers; axoaxonic synapses
C) the pupils; axoaxonic synapses
D) cardiac fibers; axo-dendritic synapses
E) the lungs; axo-dendritic synapses
Question 2
The muscle weakness associated with myasthenia gravis reflects
A) too many ACh receptors on cardiac muscles.
B) reduced ACh function in the basal forebrain.
C) loss of ACh receptors on skeletal muscles.
D) reduced ACh function in the dorsolateral pons.
E) an enhanced release of glycine onto spinal cord motoneurons.
brain
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