A physical therapist is performing a sensory examination and…

A physical therapist is performing a sensory examination and maps areas of the skin that correspond to specific spinal nerve roots. The therapist explains that each dermatome represents a region of skin supplied by a single spinal nerve. Dermatomes innervated by a single nerve root primarily contain which type of nerve fibers?

A physical therapist assistant is reviewing neuromuscular ph…

A physical therapist assistant is reviewing neuromuscular physiology before assisting with a neurological examination. The therapist explains that the same neurotransmitter is released at the neuromuscular junction and also at cholinergic synapses within the autonomic nervous system. Which of the following neurotransmitters is responsible for transmission at both of these sites?