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