Chapter 6 - Nervous System

Which of the following is incorrect?
1. spinal nerve T1 is below vertebra T1
2. spinal nerve T3 is below vertebra T2
3. spinal nerve C7 is below vertebra C6
4. spinal nerve C2 is below vertebra C1
5. spinal nerve C1 is above vertebra C1
6. spinal nerve C8 is below vertebra C7
Grey matter is greatest in areas dedicated to sensory and motor control. Sensory information arrives through the __________ root of the spinal chord, leaves through the __________ root of the spinal chord.
1. posterior, anterior
2. anterior, posterior
The efferent division of the peripheral nervous system (PNS) includes all but?
1. autonomic nervous system (ANS)
2. parasympathetc division
3. sympathetc division
4. somatic sensory receptors
5. somatic nerous system (SNS)
There are __________ cranial nerves and __________ spinal nerves.
1. 12, 31
2. 31, 31
3. 31, 12
4. 12, 12
Which of the following common injection sites is no longer used because of its proximity to the sciatic nerve?
1. dorsogluteal site
2. ventrogluteal site
3. vastus lateralis site
4. deltoid site
Neuromuscular junctions and neuroglandular junctions are:
1. electrical synapses
2. chemical synapses
When you have shingles, what determines where on the body the outbreak will be?
1. shingles outbreaks nondeterministic and appear in random locations
2. shingles outbreaks always appear on the lower body
3. shingles outbreaks follow the sensory nerve's dermatome
4. shingles outbreaks always appear on the upper body
Which of the following statements about the spinal cord is incorrect.
1. spinal reflexes require input from the brain
2. divided into 4 regions (cervical, thoracic, lumbar, sacral)
3. extends from brain to L1 and L2
4. 31 spinal nerves (C1-C8, T1-T12, L1-L5, S1-S5, 1 coccygeal)
Epidurals during labor are administered:
1. between the pia and arachnoid meninges
2. superficial to the dura meninges
3. deep to the pia meninges
4. between the arachnoid and dura meninges
Which of the following is false?
1. internodes are myelinated
2. white matter is myelinated
3. grey matter is unmyelinated
4. nodes are myelinated
Cerebrospinal fluid is located in the subarachnoid space which is:
1. between the pia and arachnoid meninges
2. deep to the pia meninges
3. superficial to the dura meninges
4. between the arachnoid and dura meninges
The peripheral nervous system (PNS) includes all but?
1. parasympathetc division
2. sympathetc division
3. autonomic nervous system (ANS)
4. central nervous system (CNS)
5. somatic nerous system (SNS)
Motor neurons are typically __________, and sensory neurons are typically __________.
1. anaxonic neurons, bipolar neurons
2. unipolar neurons, multipolar neurons
3. multipolar neurons, unipolar neurons
4. bipolar neurons, anaxonic neurons
Which root has the spinal ganglion in the middle of it?
1. posterior root
2. anterior root
List the spinal cord meninges from most superficial to least.
1. arachnoid → dura → pia
2. pia → arachnoid → dura
3. dura → arachnoid → pia
4. arachnoid → pia → dura
Identity the mismatched nerve plexues:
1. brachial plexus (diaphram)
2. cervical plexus (diaphram)
3. sacral plexus (pudendal nerve)
4. sacral plexus (sciatic nerve)
Interneurons are located between sensory and motor neurons, are found mostly in brain and spinal cord, and are involved in memory, planning, and learning.
1. true
2. false
In the CSN the neurogila resposible for myelination are __________, and in the PNS the neurogila responsible for myelination are __________.
1. satallite cells, ependymal cells
2. schwann cells, oligodendrocytes
3. oligodendrocytes, schwann cells
4. ependymal cells, satallite cells
In general, repair is more possible in the CSN (astrocytes) than the PNS (schwann cells)?
1. true
2. false
The 4 major nerve plexues include all but:
1. cervical plexus
2. brachial plexus
3. lumbar plexus
4. sacral plexus
5. thoracic plexus

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