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Pain Med Board > Spinal Cord Anatomy > Flashcards

Spinal Cord Anatomy Flashcards

1
Q

The ascending gracile and cuneate fasciculi occupying the dorsal column, and sometimes are named the dorsal funiculus. These fibers carry information related to

A

tactile, two point discrimination of simultaneously applied pressure, vibration, position, and movement sense and conscious proprioception

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2
Q

In the lateral column (funiculus), the neospinothalamic tract (or lateral spinothalamic tract) is located more anteriorly and laterally, and carries

A

pain, temperature and crude touch information from somatic and visceral structures.

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3
Q

The dorsal and ventral spinocerebellar tracts carry

A

unconscious proprioception information from muscles and joints of the lower extremity to the cerebellum.

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4
Q

The ventral column (funiculus) there are four prominent tracts:

A

1) the paleospinothalamic tract (or anterior spinothalamic tract)
2) the spinoolivary tract
3) the spinoreticular tract
4) the spino-tectal tract.

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5
Q

The paleospinothalamic tract (or anterior spinothalamic tract) is located which carry

A

pain, temperature, and information associated with touch to the brain stem nuclei and to the diencephalon

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6
Q

The spinoolivary tract carries

A

information from Golgi tendon organs to the cerebellum

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7
Q

Intersegmental nerve fibers

A

traveling for several segments (2 to 4) and are located as a thin layer around the gray matter is known as fasciculus proprius, spinospinal or archispinothalamic tract. It carries pain information to the brain stem and diencephalon.

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8
Q

The descending tracts originate from

A

different cortical areas and from brain stem nuclei

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9
Q

Descending pathway carry information associated with

A

maintenance of motor activities such as posture, balance, muscle tone, and visceral and somatic reflex activity. These include the lateral corticospinal tract and the rubrospinal tracts located in the lateral column (funiculus).

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10
Q

Lateral corticospinal tract and the rubrospinal tracts located in the lateral column (funiculus). carry

A

information associated with voluntary movement.

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11
Q

Lissauer’s tract

A

wedged between the dorsal horn and the surface of the spinal cord carry the descending fibers of the dorsolateral funiculus (DFL), which regulate incoming pain sensation at the spinal level, and intersegmental fibers.

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12
Q

Dorsal column-medial lemniscus tract

A

carries fine (or light) touch fibers, conscious proprioception, vibration, pressure and 2-point discrimination,

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13
Q

Corticospinal tract

A

carries motor fibers.

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14
Q

sPinoThalamic Tract of the Anterolateral System

A

pain and temperature sensation and crude touch

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15
Q

What are the main parts of the central nervous system?

spinal cord and brain
brain and cranial nerves
spinal nerves and spinal cord.
brain and vagus nerve

A

spinal cord and brain

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16
Q

The _________________ serves as a protective filter that regulates the entrance of certain substances into the brain from the bloodstream.

meninges
gray matter
white matter
blood-brain barrier

A

meninges

17
Q

Repetitive movement patterns, such as riding a bike, playing a musical instrument, or typing, are stored within the _________________.

motor cortex
primary somatosensory area
premotor cortex
prefrontal cortex

A

premotor cortex

18
Q

Cerebrospinal fluid functions to ___________ the brain.

cushion
support
nourish
all of the above

A

all of the above

19
Q

Which part of the brain is most important to your recall of information for success on this test?

medulla
cerebellum
cerebrum
thalamus

A

cerebrum

20
Q

What is the primary function of the cerebellum?

coordination of endocrine and nervous responses
coordination of complex muscular movements
center of consciousness
control of digestion, circulation, and breathing movements

A

coordination of complex muscular movements

21
Q

You just finished running and your heart rate is fast as is your breathing. The part of the brain controlling basic body functions such as heart rate and blood pressure is the _______.

spinal cord
cerebral cortex
medulla oblongata
cerebellum

A

medulla oblongata

22
Q

The thalamus is responsible for which of the following functions?

connection between speech and hearing
motor coordination
control of many of the endocrine glands
integration and relay of information

A

integration and relay of information

23
Q

A major portion of the motor area of the brain is devoted to the __________.

senses
foot and toes
hand and fingers
all of the above have equal area

A

hand and fingers

24
Q

As Tonya read the obituary of her neighbor, she felt sad. What system is considered our emotional brain?

reticular activating system
frontal lobes
central nervous system
limbic system

A

limbic system

25
Q

Joseph’s heart was racing as he read the concluding chapter to a mystery. What controlled the physiological response to his emotions?

hypothalamus
reticular activating system
cerebral cortex
thalamus

A

hypothalamus

26
Q

What part of our brain takes the information you just heard in lecture and converts it from short-term memory to long-term memory?

thalamus
corpus callosum
hypothalamus
hippocampus

A

hippocampus

27
Q

What area of the brain filters sensory information and helps to keep us alert?

hippocampus
medulla
cerebral cortex
reticular activating system

A

reticular activating system

28
Q

The spinal cord is similar to the brain in all of the following ways EXCEPT one. In which way are they different?

protected by bone
contains both gray and white matter
controls motor responses
controls thinking

A

controls thinking

29
Q

The primary functions of the spinal cord involve __________.

controlling muscle activity and maintaining balance
intelligence and memory
reflex actions and communication between the brain and spinal nerves
speech, smell, taste, hearing and vision

A

reflex actions and communication between the brain and spinal nerves

30
Q

What is the primary advantage to a spinal reflex?

It is very fast.
It depends upon the decision-making abilities of the brain.
It efficiently controls regions farthest from the brain.
It involves both gray and white matter.

A

It is very fast.

31
Q

Spinal nerves are able to carry which of the following types of information?

both motor and sensory
motor only
intelligence carried in the interneurons
sensory only

A

both motor and sensory

32
Q

The reaction of the body to an emergency is controlled by the _________ nervous system.

parasympathetic
somatic
sympathetic
central

A

sympathetic

33
Q

What is the cause of the most common type of headache?

tension in the muscles of the face, head, and neck
usual brain chemistry imbalances
constricted cranial vessels
bright lights

A

tension in the muscles of the face, head, and neck

34
Q

Which of the following might be the result of a spinal injury, such as that from a diving accident?

coma
aneurism
paralysis
stroke

A

paralysis

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