Test 2 Practice questions (New)

Question 1

T/F The internal capsule contains ascending and descending fibers

Answer 1

True

Question 2

The vestibulospinal tract is composed of fibers derived from the…

Answer 2

Lateral Vestibular nucleus

Question 3

Sensory Info. typically reaches the cerebral cortex of the contralateral side. The axons that cross the midline to accomplish this are from the…

Answer 3

2nd order or higher order neurons

Question 4

The fibers of the cuneate fascicle originata from neurons located in the…

Answer 4

DRG

Question 5

Which nucleus is in the midline?

Answer 5

Raphe

Question 6

Which contains Descending upper motor fibers?

Answer 6

Pyramid
Cerebral Peduncle
Internal capsule

Question 7

Which cerebellar pathway has fibers that cross?

Answer 7

Anterior Spinocerebellar

Question 8

What transmitter is secreted by raphe neurons?

Answer 8

Seratonin

Question 9

The Ascending Reticular Activating System (ARAS) controls which reticular function?

Answer 9

Awareness

Question 10

Where is the reticular formation?

Answer 10

Middle of the brain stem

Question 11

Where are the third order neurons of the somatosensory pathway located?

Answer 11

Thalamus

Question 12

A receptor that monitors events withing the body is called…

Answer 12

Interoreceptor

Question 13

Which pathway carries pain sensations to the cerebrum?

Answer 13

Spinothalamic

Question 14

What is the minimum number of neurons required for a reflex circuit?

Answer 14

2

Question 15

Proprioceptive sensation of the upper limb is carried by which tract?

Answer 15

Cuneate

Question 16

The Post. Spinocerebellar tract originates from which nucleus?

Answer 16

Dorsal Thoracic (Clarke’s)

Question 17

Which are Nociceptors?

Answer 17

Free Nerve endings

Question 18

Which dermatome is located on the upper limb?

Answer 18

C7

Question 19

What kind of reflex is stimulated by tapping the patellar tendon?

Answer 19

Myotatic

Question 20

Renshaw cells… (function)

Answer 20

inhibit motor neurons

Question 21

The strip of skin innervated by a single spinal nerve is…

Answer 21

dermatome

Question 22

Which is a stretch receptor?

Answer 22

Muscle Spindle

Question 23

A 63 y/o man has a loss of discriminative touch, vibratory sense, and proprioception on his right leg. Where are the cell bodies for the second order neurons in the pathway located?

Answer 23

Cuneate Nucleus

Question 24

The vestibulospinal tract is composed of fibers derived from neurons located in the…

Answer 24

Lateral vestibular nucleus

Question 25

Crossed effects are associated with which reflex?

Answer 25

Withdrawal

Question 26

Which is not true of the reticular formation?

Answer 26

It has developed recently in the animal kingdom

True statements:

• It is mainly fibers
• It is somewhat poorly organized
• The neurons are far reaching

Question 27

Which neurons project to the cerebral cortex in a somatosensory pathway?

Answer 27

3rd order

Question 28

Which receptor is stimulated by deep touch and vibrations?

Answer 28

Pacinian Corpuscle

Question 29

What receptor is stimulated by excessive contraction of a muscle?

Answer 29

Golgi Tendon

Question 30

Where are alpha neurons found?

Answer 30

Grey matter of spinal cord

Question 31

Sensory info typically reaches the cerebral cortex of the contralateral side. The axons that cross the midline to accomplish this are from the…

Answer 31

2nd order or higher neurons

Question 32

What receptor is found at muscle tendon junction?

Answer 32

Golgi tendon organ