Chapter 14 - Nervous

Question 1

The Central Nervous System is made up of the Brain and:

Answer 1

Spinal cord

Question 2

The Peripheral Nervous System is made up of the Cranial and Spinal nerves, as well as the:

Answer 2

Ganglia

Question 3

Clusters of neuron cell bodies located outside the CNS:

Answer 3

Ganglia

Question 4

. This Nervous division receives sensory information from receptors and transmits it to the CNS:

Answer 4

Sensory afferent

Question 5

This Nervous division transmits motor impulses from the CNS to muscles or glands:

Answer 5

Motor efferent

Question 6

This Sensory division receives information about touch, pain, pressure, vibration, temperature, proprioception, and special senses:

Answer 6

Somatic sensory

Question 7

This Sensory division transmits nerve impulses from blood vessels and viscera (temperature, and stretch) to the CNS:

Answer 7

Visceral sensory

Question 8

This Motor division transmits nerve impulses from the CNS to skeletal muscles:

Answer 8

Somatic motor

Question 9

This Motor division transmits nerve impulses from internal organs, smooth and cardiac muscle, and glands:

Answer 9

Autonomic motor

Question 10

Type of nerve cell that initiates and transmits nerve impulses:

Answer 10

Neuron

Question 11

Type of nerve cell that support and protects neurons:

Answer 11

Glial

Question 12

The neuron cell body is responsible for receiving, integrating, and _____ nerve impulses

Answer 12

sending

Question 13

The neuron dendrites are responsible for conducting nerve impulses ______ the cell body.

Answer 13

towards

Question 14

The neuron axon is responsible for transmitting nerve impulses _______ from the cell body.

Answer 14

Away

Question 15

The neuron structure can be unipolar, bipolar, or _____

Answer 15

Multipolar

Question 16

Facilitate communication between sensory and motor neurons:

Answer 16

Interneurons

Question 17

Physically protect, nourish and provide support for neurons:

Answer 17

Glial cells

Question 18

Glial cells that help form the blood-brain barrier, regulate tissue fluid composition, provide support, replace damaged neurons, and assist neuron development:

Answer 18

Astrocytes

Question 19

Glial cells that help form the cerebral spinal fluid:

Answer 19

ependymal

Question 20

Glial cells that remove debris and respond to infections:

Answer 20

microglia

Question 21

Glial cells that form myelin sheaths (speed up transmission) in the CNS:

Answer 21

Oligodendrocytes

Question 22

Glial cells that regulate exchange between soma and surrounding fluid:

Answer 22

Satellite

Question 23

Glial cells that form myelin sheaths in the PNS:

Answer 23

Schwann (neurolemmocytes)

Question 24

Myelin sheaths support, protect, and ______ the axon

Answer 24

insulate

Question 25

Process of nerve impulses jumping from neurofibril node to neurofibril node:

Answer 25

Salatory conduction

Question 26

Process in which nerve impulses travel the entire length of an unmyelinated axon:

Answer 26

Continuous conduction

Question 27

Damaged axons can regenerate upon these three factors:

Answer 27

Amount of damage, neurolemmocyte secretion of nerve growth factors, distance between site of damaged axon and effector organ

Question 28

Give the three connective tissue wrappings, in order of inside to outside:

Answer 28

Endoneurium, perineurium, epineurium

Question 29

Axons will terminate at either a neuron, muscle cell, or:

Answer 29

Gland cells

Question 30

Process in which an axon transmits a nerve impulse at a specialize junction with another neuron:

Answer 30

Synapse

Question 31

The Presynaptic neuron transmits nerve impulses toward a synapse, while a ______ conducts them away from the synapse.

Answer 31

Postsynaptic

Question 32

Electrical synapses use gap junctions, while chemical synapses use:

Answer 32

Neurotransmitters

Question 33

During a chemical synapse, the presynaptic membrane releases a ______ while the postsynaptic membrane receives the neurotransmitter by way of receptors.

Answer 33

Neurotransmitter

Question 34

The two factors that influence the rate of impulse conduction:

Answer 34

Axons diameter, presence/absence of myelin sheath