Quiz
CHAPTER 13
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Questions in this quiz (72)
1Which of the following is a SHALLOW groove?
- Aposterior median sulcus
- Banterior median fissure
- Ccentral canal
2The anterior median fissure is a:
- Adeep groove
- Bshallow grove
- Ccontains axons of sensory neurons
3The ______________ is an enlargement on the spinal segment and contains the cell bodies of sensory neurons.
- Adorsal root ganglia
- Bventral roots
- Canterior white commisure
4The ______________ in each spinal segment contain the axons of sensory neurons and receives motor information from the spinal cord.
- Aventral roots
- Bdorsal roots
- Canterior white commissure
5______________ is/are where dorsal and ventral roots meet.
- ASpinal (Mixed) nerves
- BDorsal root ganglia
- CDura mater
- DPia mater
6What does the following describe: "collagen fibers, enclosed by epidural space, forms coccygeal ligament"?
- ADura mater
- BArachnoid mater
- CSubarachnoid space
- DPia mater
7What does the following describe: "collagen/elastic fibers, bound to neural tissue, denticulate ligaments to prevent lateral movement"?
- APia mater
- BTrabeculae
- CCSF
- DArachnoid mater
8What does the following describe: “collagen/elastic fibers, trabeculae extend toward pia mater, subarachnoid space contains CSF”?
- AArachnoid mater
- BSubdural space
- CWhite matter
- DDura mater
- EPia mater
9What prevents lateral movement?
- ADenticulate ligaments
- BTrabeculae
- CCoccygeal ligament
- DCSF
10What does the following describe: "contains cell bodies in nuclei, unmyelinated axons and neuroglia, central canal contains CSF"?
- Agray matter
- Bwhite matter
- Canterior white commissure
- Depineurium
11Which of the following contain somatic motor nuclei?
- Aanterior gray horns
- Banterior white commissures
- Cdorsal root ganglia
- Dlateral gray horns
12The posterior gray horns contain:
- Asomatic and visceral sensory nuclei
- Bsomatic and visceral motor nuclei
- Conly somatic sensory nuclei
- Donly visceral motor nuclei
13Lateral gray horns contain:
- Avisceral motor nuclei only
- Bsomatic motor nuclei only
- Csomatic and visceral motor nuclei
- Dsomatic and visceral sensory nuclei
14Which of the following best describes the area where unmyelinated axons decussate?
- Aanterior and posterior white columns
- Bgray commissures
- Canterior white commissure
- Depineurium
15Which of the following best describes "outer region, myelinated fibers/axons"?
- Awhite matter
- Bgray matter
- Cdark matter
- Dantimatter
16Which of the following best describes the axon tracts that carry sensory and motor info?
- Aposterior, anterior, and lateral white columns
- Bascending white columns
- Cdescending white and gray columns
- Dlateral gray horns
17The ______________ carry information from the spinal cord to the brain.
- Aascending white columns
- Bdescending white columns
- Cposterior, anterior, and lateral white columns
- Ddescending gray columns
18Which of the following best describes where myelinated axons decussate:
- Aposterior white commissure
- Banterior white commissure
- Cposterior and anterior white commissures
- Dposterior, anterior, and lateral gray horns
19The _______ is the outermost layer of connective tissue that wraps spinal nerves and is made of dense collagen fibers.
- Aepineurium
- Bperineurium
- Cendoneurium
- Dexoneurium
20Which layer surrounds each axon? It is the innermost layer.
- Aendoneurium
- Bepineurium
- Cperineurium
- Dsupraneurium
21The middle layer is known as the ______________.
- Aperineurium
- Bendoneurium
- Cmetaneurium
- Dinterneurium
22Which layer partitions nerves into bundles called "fascicles"?
- Aperineurium
- Bendoneurium
- Cepineurium
23Motor fibers are ______________ neurons.
- Amultipolar
- Bunipolar
- Cbipolar
- Danaxonic
24What best describes "fibers that move from the ventral root to skeletal muscles in the back, body wall, and limbs"?
- Asomatic motor neurons
- Bvisceral motor neurons
- Csomatic sensory neurons
- Dvisceral sensory neurons
25What best describes "preganglionic fibers that move out ventral root to sympathetic ganglion, postganglionic fibers move to abdominal and thoracic viscera or smooth muscles in the back, body wall, and limbs"?
- Avisceral motor neurons
- Bsomatic motor neurons
- Cvisceral sensory neurons
- Dsomatic sensory neurons
26Sensory fibers are ______________.
- Aunipolar
- Bbipolar
- Cmultipolar
- Danaxonic
27Fibers that move to the dorsal root ganglia via exteroceptors and proprioceptors of the back, body wall, and limbs are ______________.
- Asomatic sensory neurons
- Bvisceral sensory neurons
- Cdermatomes
- Dsomatic motor neurons
28Visceral sensory neurons are fibers that move to the dorsal root ganglia via ______________ of the back, body wall, and limbs.
- Ainteroceptors
- Bexteroceptors and interoceptors
- Cinteroceptors and proprioceptors
- Dinteroceptors, exteroceptors, and proprioceptors
29A dermatome is a ______________ region of skin surface monitored by _____________________.
- Abilateral, a single spinal pair
- Bunilateral, a single spinal pair
- Cmultilateral, several spinal pairs
- Dunilateral, a receptive field
- Ebilateral, a receptive field and labeled line
30A nerve plexus is a network of ______________ rami (branches) from _____________________.
- Aventral, adjacent spinal nerves
- Bdorsal, adjacent spinal pairs
- Canterior, adjacent vertebrae
- Dposterior and anterior, adjacent sensory and motor nuclei
31The phrenic nerve, which innervates _____________________, is in the ______________ plexus.
- Athe diaphragm, cervical
- Bneck muscles, cervical
- Cthe lungs, thoracic
- Dthe diaphragm, thoracic
32The cervical plexus consists of rami _______.
- AC1-C5
- BC2-C5
- CC2-C6
- DC1-T1
33Other than the phrenic nerve, the cervical plexus also innervates ______________.
- Aneck muscles
- Barm muscles
- Cabdominal muscles
- Dthe latissimus dorsi
34The brachial plexus, which innervates the arms, include rami _______.
- AC5-T1
- BC4-T1
- CC6-T2
- DC4-T2
35Which plexus innervates the hip, thigh, and genitalia?
- Alumbar
- Bsacral
- Ccervical
- Dbrachial
- Ethoracic
36Which of the following is NOT a plexus?
- Athoracic
- Bcervical
- Cbrachial
- Dlumbar
- Esacral
37Which plexus includes rami T12-L4?
- Alumbar
- Bsacral
- Ccervical
- Dbrachial
38The sacral plexus, which include rami _______, innervate _____________________.
- AL4-S4, the legs
- BL3-S4, the hamstrings and quadriceps
- CL4-S5, the lower legs and feet
- DL5-S5, the legs, thighs, and genitalia
39A sensory neuron sends information to _______, while a motor neuron sends information to _______.
- ACNS, effectors
- Bmotor neurons, CNS
- CSanta Claus, the Easter Bunny
- Dinterneurons, effectors
40Interneurons send information between _______ and _______.
- Asensory neurons, motor neurons
- Bsensory neurons, the CNS
- Cmotor neurons, the CNS
- Dthe CNS, motor neurons
41Neural pools are _____________________.
- Ainterconnected interneurons of the CNS
- Binterconnected neurons of the CNS
- Cinterconnected interneurons of the PNS
- Dinterconnected neurons of the PNS
42Neural pools can _________________________________________________.
- Aincrease OR decrease incoming AND outgoing info
- Bincrease OR decrease ONLY outgoing info
- CONLY increase incoming AND outgoing info
- DONLY decrease ONLY incoming info
43The wiring patterns of neural pools are known as ______________.
- Aneural circuit patterns
- Bneural pool patterns
- Cpool circuit patterns
- Dneural wiring patterns
- Ecircuit neural patterns
44The pattern in which info spreads from one neural pool to many neural pools and is quickly distributed thru the CNS is known as _______.
- Adivergence
- Bconvergence
- Cserial processing
- Dparallel processing
- Ereverberation
45In convergence, _________________________________________________ synapse _________________________________________________.
- Amany presynaptic neurons, on one postsynaptic neuron
- Bmany postsynaptic neurons, on one presynaptic neuron
- Cone presynaptic neuron, on many postsynaptic neurons
- Done postsynaptic neuron, on many presynaptic neuron
46Which type of processing does the following describe: "several nps process info at the same time, allows for complex reflexes to take place"?
- Aparallel processing
- Bserial processing
- Creverberation
- Ddivergence
47Which type of processing does the following describe: "info moves from one np to the next in a stepwise fashion, info moves from one part of the brain to the next"?
- Aserial processing
- Bparallel processing
- Creverberation
- Dconvergence
48Under which type of processing does the axon branch of np(s) extend back to re-stimulate presynaptic neurons?
- Areverberation
- Bconvergence
- Cparallel processing
- Dserial processing
49Which type of processing utilizes positive feedback and muscular control?
- Areverberation
- Bdivergence
- Cserial processing
- Dconvergence
50Which type of processing could be compared to "multiple simultaneous serial processes"?
- Aparallel processing
- Bconvergence
- Creverberation
- Ddivergence
51Under which type of processing could the postsynaptic neurons be under conscious OR subconscious control?
- Aconvergence
- Bserial processing
- Creverberation
- Ddivergence
- Eparallel processing
52An automatic response to a stimulus that helps maintain homeostasis is known as ______________.
- Areflex
- Breflex arc
- Cpositive feedback
- Dneural circuit pattern
53What is the correct order of a reflex arc? (1=sensory neuron activated) (2=motor neuron activated) (3=information processing in the CNS) (4=receptor receives stimulus) (5=effector response)
- A4,1,3,2,5
- B1,4,3,2,5
- C1,4,3,5,2
- D4,1,3,5,2
54Select from the options below what would NOT be characteristic of a receptor. (select all that apply)
- Abipolar
- Bunipolar
- Cspecialized cell
- Daxon of sensory neuron
- Edendrites of sensory neuron
55The sensory neuron is activated when GRADED POTENTIALS reach threshold
- ATrue
- BFalse
56During the information processing phase, what can the sensory neuron synapse with? (check all that apply)
- Aexcitatory neuron
- Binhibitory neuron
- Cinterneuron
- Dmotor neuron
57The effector response phase is characterized by information leaving the CNS, and being sent to the effector.
- ATrue
- BFalse
58In the effector response phase, motor neurons release neurotransmitters which cause the response of the effectors.
- ATrue
- BFalse
59Which of the following is genetically programed?
- Ainnate reflex
- Bacquired reflex
- Cthe desire to recite the pledge of allegiance while duct-taped upside-down in a tree in a bright orange jump suit, wearing a hat made of pencil shaving and aluminum foil.
60Acquired reflexes improve with repetition.
- ATrue
- BFalse
61Which of the following is the involuntary control of smooth/cardiac muscles or glands?
- Asomatic reflex
- Bacquired reflex
- Cautonomic reflex
- Dbabinski reflex
62A somatic reflex is:
- Ainvoluntary control of skeletal muscles
- Bvoluntary control of skeletal muscles
- Cvoluntary control of smooth muscles
- Dlearned and improves with repetition
63Which of the following describe a monosynaptic reflex?
- Anone of these
- Bhas no synapse, but a rapid response
- Chas only one synapse, but a complex/delayed response
- Dhas more than one synapse, and a rapid response
64Polysynaptic reflexes have a quicker response than monosynaptic reflexes because polysynaptic reflexes are more complex.
- ATrue
- BFalse
65The spinal cord processes spinal reflexes.
- ATrue
- BFalse
66The cranium processes cranial reflexes.
- ATrue
- BFalse
67Which of the following would pertain to "ipsilateral response, pain causes flexor to contract and extensor to relax on one side causing the body to move away"?
- Apolysynaptic flexor reflex
- Bmonosynaptic stretch reflex
- Cpolysynaptic crossed extensor reflex
68Which of the following would pertain to "stimulus and motor response occurs on the same side (ipsilateral), stretching the receptor causes the muscle to contract"?
- Amonosynaptic stretch reflex
- Bpolysynaptic flexor reflex
- Cpolysynaptic crossed extensor reflex
69Which of the following would pertain to "stimulus and motor response occur on opposite sides (contralateral), complements flexor response"?
- Apolysynaptic crossed extensor reflex
- Bpolysynaptic flexor reflex
- Cmonosynaptic stretch reflex
70Which of the following would pertain to "pain causes flexor to contract and extensor to relax on one side of the body, and extensor to contract and flexor to relax on other side of body, causing the body to move away"?
- Apolysynaptic crossed extensor reflex
- Bpolysynaptic flexor reflex
- Cmonosynaptic stretch reflex
71______________ fibers have many receptors.
- AInterfusal
- BExtrafusal
72Extrafusal fibers are ______________ fibers.
- Aeffector
- Baffector
- Cdenim
- Dwhole-grain
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- Quiz on CHAPTER 13, created by bio166gtcc on 24/09/2014.
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- bio166gtcc
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