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Human Anatomy 1 > Nerve Pathway > Flashcards

Nerve Pathway Flashcards

1
Q

What is the function of the peripheral sensory afferent nervous system pathway?

A

To bring information to the CNS from the environment

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2
Q 
Which one of these is NOT an anatomical structure of the Sensory Afferent Pathway?
A. Post-Ganglion Axon
B. Ganglion
C. Pre-Ganglion Axon
D. Dorsal Ramus
E. White Ramus Communicante
A

E. White Ramus Communicante

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3
Q 
Which of these neural pathways is afferent?
A. Visceral Sensory
B. Somatic Motor
C. Parasympathetic
D. Visceral Autonomic
E. None of the above
A

A. Visceral Sensory

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4
Q 
Where are the cell bodies located for the somatic sensory pathway?
A. Dorsal Horn
B. Dorsal Root Ganglion
C. Ventral horn
D. Paravertebral Ganglion
A

B. Dorsal Root Ganglion

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5
Q 
How many neuron(s) does the somatic sensory pathway have?
A. 1
B. 2
C. 3
D. 4
A

A. 1

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6
Q

The Somatic Sensory Pathway …
A. Is perceived unconsciously
B. Follows sympathetic pathways backwards for thorax and abdomen
C. Carries sensory information about the external environment
D. Has nerve endings locating on the arrector pili muscle

A

C. Carries Sensory information about the external environment

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7
Q

Which of these is the correct Somatic Sensory Neuron Pathway?
A. Nerve endings in the skin , dorsal ramus post ganglionic axon, dorsal root ganglion, dorsal root pre ganglion, dorsal horn
B. Dorsal horn, dorsal root pre ganglion, dorsal root ganglion, dorsal ramus, skin
C. Skin, ventral ramus, ventral root, ventral horn
D. Dorsal horn, dorsal root ganglion, ventral ramus, skeletal muscle

A

A. Nerve endings in the skin , dorsal ramus post ganglionic axon, dorsal root ganglion, dorsal root pre ganglion, dorsal horn

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8
Q

True or False: The somatic sensory neuron pathway synapses at the dorsal root ganglion?

A

False

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9
Q 
Which of these Visceral Afferents reach a level of consciousness?
A. Hunger
B. Temperature
C. Nausea
D. All of the above
A

D. All of the above

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10
Q 
Visceral Afferents for the Lower abdomen and pelvis are carried by?
A. Vagus Nerve
B. CN X 
C. Pelvic splanchnic nerve
D. Splanchnic nerve
A

C. Pelvic Splanchnic nerve

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11
Q 
Which of the following is not a stimuli causing visceral pain?
A. Ischemia
B. Hunger
C. Cramping
D. Distention
A

B. Hunger

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12
Q

The visceral pain pathways for the thorax and abdomen follow …
A. The sympathetic nerve pathways to the ventral root
B. the sympathetic nerve pathways to the spinal nerve proper and then pass through the dorsal root
C. The parasympathetic pathways as far as the spinal nerve proper and then pass through the dorsal root
D. The Dorsal ramus to the Dorsal root ganglion to the Doral root to the Dorsal horn

A

B. the sympathetic nerve pathways to the spinal nerve proper and then pass through the dorsal root

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13
Q

The motor efferent pathway …
A. Sends instructions from the CNS to muscle and glands
B. Carries information from muscles and glands to the CNS
C. Cell bodies are located in the dorsal root ganglion
D. Do not synapse in the paravertebral ganglion

A

A. Sends instructions from the CNS to muscle and glands

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14
Q

True or False: The somatic sensory pathways is an efferent pathway.

A

False

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15
Q

The ventral horn is the location for all motor efferent cell bodies (True or False)

A

False

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16
Q 
Which of these would be categorized as somatic?
A. Arrector Pili muscles
B. Sweat Glands
C. Bicep muscle 
D. None of the above
A

C. Bicep muscle

17
Q 
The neural signal for the somatic motor system ...
A. Begins in the muscle tissue
B. Synapses in the Dorsal root ganglion
C. Synapse in the paravertebral ganglion
D. Begins in the ventral horn
A

D. Begins in the ventral horn

18
Q

Which of these is the correct path for the somatic motor pathway?
A. Cell body in ventral horn, dorsal ramus, skeletal muscle
B. Ventral horn, spinal nerve proper, ventral muscle, paravertebral ganglion, skeletal muscle
C. Lateral horn, motor root, white ramus communicans, paravertebral ganglion, gray ramus communicans, ventral ramus, skeletal muscle
D. None of the above

A

A. Cell body in ventral horn, dorsal ramus, skeletal muscle

19
Q 
What is another name for the Autonomic division of the peripheral nervous system?
A. Somatic Motor
B. Visceral Motor
C. Somatic Sensory
D. Visceral Sensory
A

B. Visceral Motor

20
Q

Which one these pairings are not a target tissues of the autonomic neuron pathway?
A. Arrector Pili and Sweat Glands
B. Bronchiole Wall and Wall of the Small Intestine
C. Cardiac Muscles and Vessel Walls
D. Salivary Glands and Epithelium of Skin

A

D. Salivary Glands and Epithelium of Skin

21
Q

Is the stimuli of the autonomic nervous system voluntary or involuntary?
Involuntary

A

Involuntary

22
Q

How does the autonomic nervous system send messages to the brain?
A. Pre and post ganglionic axons along the ventral ramus
B. Cell bodies in the lateral horn
C. Sympathetic and Parasympathetic Nervous Systems
D. None of the above

A

D. None of the above

23
Q 
How many neurons are used in the autonomic nervous system?
A. 1
B. 2
C. 3
D. 4
A

B. 2

24
Q 
The location of the Sympathetic nervous system in the spinal column is ...?
A. C8
B. Co1
C. L1
D. S3
A

C. L1

25
Q 
In the Sympathetic Nervous system the pre and post ganglion axons
A. Are roughly the same length
B. Synapse in the organ wall
C. Only synapse within T1-L2
D. Send information to the brain
A

A. Are roughly the same length

26
Q 
During times of "fight or flight" the brain sends signals through the ... 
A. Parasympathetic nervous system
B. Visceral sensory pathway
C. Somatic Motor Pathway
D. Sympathetic nervous system
A

D. Sympathetic Nervous System

27
Q

Which of these is not a result of the sympathetic nervous system?
A. Pupil Dilation
B. Increase in blood flow to the digestive organs
C. Increase in blood flow to the skeletal muscles
D. Dilates coronary vessels

A

B. Increase in blood flow to the digestive organs

28
Q

What is the correct sympathetic neuron pathway for the ventral body wall?
A. Cell body in the lateral horn, preganglionic axon, ventral root, ventral ramus, white ramus communicans, paravertebral ganglion, post ganglionic axon, gray ramus communicans, ventral ramus Hypaxial dermatome
B. cell body in lateral horn, preganglionic axon, dorsal root, dorsal ramus, white ramus communicans, paravertebral ganglion, gray ramus communicans, dorsal ramus, epaxial dermatome
C. cell body in ventral horn, preganglionic axon, ventral root, ventral ramus, white ramus communicans, paravertebral ganglion, post ganglionic axon, gray ramus communicans, ventral ramus Hypaxial dermatome
D. None of the above

A

A. Cell body in the lateral horn, preganglionic axon, ventral root, ventral ramus, white ramus communicans, paravertebral ganglion, post ganglionic axon, gray ramus communicans, ventral ramus Hypaxial dermatome

29
Q 
The sympathetic pathway to the body wall does not include
A. White ramus communicans
B. Gray ramus communicans
C. Splanchnic nerve
D. Sympathetic trunk
A

C. Splanchnic nerve

30
Q

True or False: There are more pairs of gray rami communicans than white rami communicans

A

True

31
Q 
The sympathetic pathway to the thoracic internal organs does not include:
A. Gray Ramus communicans
B. White ramus communicans
C. Lateral Horn
D. Paravertebral Ganglion
A

A. Gray Ramus communicans

32
Q

The internal abdominal organs pre and post ganglionic axons synapse in the:
A. Dorsal root ganglion
B. Paravertebral Ganglion
C. Organ wall
D. Somewhere in between the organ wall and the paravertebral ganglion

A

D. Somewhere in between the organ wall and the paravertebral ganglion

33
Q

Which of these neuron pathways includes the gray ramus communicans?
A. Sympathetic Abdominal internal organs
B. Sympathetic Body Wall
C. Parasympathetic Thoracic Internal Organs
D. Parasympathetic Pelvic Organs

A

B. Sympathetic Body Wall

34
Q 
The sympathetic pathway to the thoracic internal organs synapse in the 
A. Dorsal root ganglion
B. Paravertebral ganglion
C. Organ Wall
D. Does not synapse
A

B. Paravertebral ganglion

35
Q 
The parasympathetic pathway to the thoracic and upper abdominal organs does include:
A. Vagus Nerve
B. Lateral Horn
C. Paravertebral Ganglion
D. Ventral root
A

A. Vagus Nerve

36
Q

Parasympathetic pelvic organs
A. Cell body is located somewhere between the paravertebral ganglion and the organ wall
B. Do not use the white ramus communicans
C. sends signal through pre ganglionic pelvic splanchnic nerve
D. Have a different neuron pathway than the parasympathetic lower abdominal organs

A

B. Do not use the white ramus communicans

37
Q 
Which of these is not a location of the parasympathetic neuron pathway?
A. T1
B. L3
C. C7
D. All of the above
A

D. All of the above

38
Q 
The parasympathetic ganglion
A. Are embedded in the organ wall
B. Have a very long post ganglionic axon
C. Are located in the dorsal root
D. Are macroscopic in comparison to the sympathetic ganglion
A

A. Are embedded in the organ wall

Human Anatomy 1 (1 decks)

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