exam 5 questions pt. 2

The _________ neuron brings information into the central nervous system.

• Efferent

• Afferent

• Interneuron

• Motor

The _________ carries impulses only in the central nervous system.

• Sensory neuron

• Motor neuron

• Interneuron

• Afferent neuron

The _______________ is a type of neuroglia that is phagocytic.

• Astrocyte

• Oligodendrocyte

• Microglia

• Schwann cell

The _____________________ is a type of neuroglia that is star-shaped.

• Astrocyte

• Microglia

• Oligodendrocyte

• Schwann cell

There are __________ pairs of spinal nerves.

• 12

• 24

• 31

• 33

The _______________ cells surround the sensory perikaryons in the dorsal root ganglia.

• Schwann

• Satellite

• Microglia

• Astrocyte

The ____________________ are unmyelinated gaps on a myelinated neuron.

• Nodes of Ranvier

• Synapses

• Axon terminals

• Dendrites

The _________________ secretes myelin in the PNS.

• Oligodendrocyte

• Astrocyte

• Schwann cell

• Microglia

The __________________ secrete myelin in the CNS.

• Schwann cells

• Astrocytes

• Oligodendrocytes

• Microglia

Which division of the PNS controls the visceral muscle of the digestive tract?

• Somatic nervous system

• Autonomic nervous system

• Central nervous system

• Peripheral nervous system