Chapter 7 Peripheral Nervous System Efferent Flashcards
1
Q
What is a nerve?
A
Bundle of neurons
2
Q
What is the PNS division of the Efferent?
A
Information from brain & spinal cord Exiting.
Stimulates Smooth or cardiac muscles & glands, or skeletal muscle in the somatic portion
3
Q
What are the 2 main Neurotransmitters in the efferent PNS division?
A
Acetylcholine
Norepineprhine
4
Q
Somatic Nervous System has what kind of motor control through what kind of neurons?
A
Voluntary Motor control through alpha motor neurons
5
Q
Describe an alpha motor neuron
A
- Myelinated
- Stimulates multiple muscles cells (muscles fibers)
6
Q
What is a motor Unit?
A
Alpha motor neuron & skeletal muscle fibers it stimulates
7
Q
Where does the alpha motor neuron and skeletal muscle fiber synapse take place?
A
At the neuromuscular junction via a neuron and; muscle fiber
