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Questions and Answers
Which division of the nervous system communicates to smooth muscle, cardiac muscle, glands, and adipose tissue?
Which division of the nervous system communicates to smooth muscle, cardiac muscle, glands, and adipose tissue?
- Sympathetic nervous system (correct)
- Parasympathetic nervous system
- Somatic nervous system
- Afferent division
What are the two main branches of the efferent division of the nervous system?
What are the two main branches of the efferent division of the nervous system?
- Somatic and parasympathetic nervous systems
- Sympathetic and somatic nervous systems
- Afferent and somatic nervous systems
- Sympathetic and parasympathetic nervous systems (correct)
Which type of glial cells function in forming myelin around axons in the central nervous system?
Which type of glial cells function in forming myelin around axons in the central nervous system?
- Schwann cells
- Oligodendrocytes (correct)
- Afferent neurons
- Interneurons
What is the main factor responsible for maintaining the resting membrane potential in cells?
What is the main factor responsible for maintaining the resting membrane potential in cells?
Depolarization of a neuron to threshold stimulates
Depolarization of a neuron to threshold stimulates
Which of the following glial cells are present in the peripheral nervous system?
Which of the following glial cells are present in the peripheral nervous system?
If a cation is equally distributed across the cell membrane, which of the following statements is false?
If a cation is equally distributed across the cell membrane, which of the following statements is false?
The depolarization phase of an action potential is caused by
The depolarization phase of an action potential is caused by
What is the function of the Na+>K+ pump in a neuron?
What is the function of the Na+>K+ pump in a neuron?
What is the purpose of the Na+>K+ pump in preventing changes in concentration gradients?
What is the purpose of the Na+>K+ pump in preventing changes in concentration gradients?
What is the effect of fiber diameter and myelination on the conduction velocity of action potentials?
What is the effect of fiber diameter and myelination on the conduction velocity of action potentials?
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