Nerve Pathway

Question 1

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

Answer 1

To bring information to the CNS from the environment

Question 2

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

Answer 2

E. White Ramus Communicante

Question 3

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

Answer 3

A. Visceral Sensory

Question 4

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

Answer 4

B. Dorsal Root Ganglion

Question 5

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

Answer 5

A. 1

Question 6

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

Answer 6

C. Carries Sensory information about the external environment

Question 7

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

Answer 7

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

Question 8

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

Answer 8

False

Question 9

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

Answer 9

D. All of the above

Question 10

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

Answer 10

C. Pelvic Splanchnic nerve

Question 11

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

Answer 11

B. Hunger

Question 12

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

Answer 12

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

Question 13

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

Answer 13

A. Sends instructions from the CNS to muscle and glands

Question 14

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

Answer 14

False

Question 15

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

Answer 15

False

Question 16

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

Answer 16

C. Bicep muscle

Question 17

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

Answer 17

D. Begins in the ventral horn

Question 18

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

Answer 18

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

Question 19

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

Answer 19

B. Visceral Motor

Question 20

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

Answer 20

D. Salivary Glands and Epithelium of Skin

Question 21

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

Answer 21

Involuntary

Question 22

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

Answer 22

D. None of the above

Question 23

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

Answer 23

B. 2

Question 24

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

Answer 24

C. L1

Question 25

``` 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 ```

Answer 25

A. Are roughly the same length

Question 26

``` 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 ```

Answer 26

D. Sympathetic Nervous System

Question 27

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

Answer 27

B. Increase in blood flow to the digestive organs

Question 28

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

Answer 28

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

Question 29

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

Answer 29

C. Splanchnic nerve

Question 30

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

Answer 30

True

Question 31

``` 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 ```

Answer 31

A. Gray Ramus communicans

Question 32

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

Answer 32

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

Question 33

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

Answer 33

B. Sympathetic Body Wall

Question 34

``` 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 ```

Answer 34

B. Paravertebral ganglion

Question 35

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

Answer 35

A. Vagus Nerve

Question 36

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

Answer 36

B. Do not use the white ramus communicans

Question 37

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

Answer 37

D. All of the above

Question 38

``` 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 ```

Answer 38

A. Are embedded in the organ wall