UMN and LMN Systems

Question 1

Clinical signs of ________ damage are “increased” (muscle tone, etc)

Answer 1

Clinical signs of UMN damage are “increased” (muscle tone, etc)

Question 2

____________ initiate and direct voluntary activity

Answer 2

UMN initiate and direct voluntary activity

Question 3

Damage to white matter results in _______ signs.

Answer 3

Damage to white matter results in UMN signs.

Question 4

Grey matter damage results in _________ signs

Answer 4

Grey matter damage results in LMN signs

Question 5

___________ responsible for proximal and extensor muscles. Importante for posture and balance and whole limb movments.

Answer 5

Ventromedial system responsible for proximal and extensor muscles. Importante for posture and balance and whole limb movments.

Question 6

____________ travel down the spinal cord in dorsolateral or ventromedial systems.

Answer 6

UMN travel down the spinal cord in dorsolateral or ventromedial systems.

Question 7

_________ Bladder

Continuous leakage

No tone in urethralis muscle

Manual expression of bladder with little to no resistance

Answer 7

LMN Bladder

Continuous leakage

No tone in urethralis muscle

Manual expression of bladder with little to no resistance

Question 8

SNS innervation of the bladder by _____ nerve

Answer 8

SNS innervation of the bladder by Hypogastric nerve

Question 9

Lesion in the sacral region of the spinal cord results in ______ bladder.

Answer 9

Lesion in the sacral region of the spinal cord results in LMN bladder.

Question 10

________ nerve inhibits contraction of the detrussor muscle for urine storage.

Answer 10

Hypogastric nerve inhibits contraction of the detrussor muscle for urine storage.

Question 11

________ clinical signs are seen in regions of the body directly innervated by damaged segments.

Answer 11

LMN clinical signs are seen in regions of the body directly innervated by damaged segments.

Question 12

Clinical signs of _________ damage are “decreased” (muscle tone, etc)

Answer 12

Clinical signs of LMN damage are “decreased” (muscle tone, etc)

Question 13

___________ maintain muscle tone, support and posture

Answer 13

UMN maintain muscle tone, support and posture

Question 14

Damage to ________ matter results in motor commands unable to reach spinal cord segments caudal of damage and sensory defects at the region and caudal to damage.

Answer 14

Damage to White matter results in motor commands unable to reach spinal cord segments caudal of damage and sensory defects at the region and caudal to damage.

Question 15

Damage to _______ matter results in afferent information not being sent to the brain and efferent information not sent to the muscles. Cannot support reflexes.

Answer 15

Damage to Grey matter results in afferent information not being sent to the brain and efferent information not sent to the muscles. Cannot support reflexes.

Question 16

__________ terminate on LMN and influence their activity.

Answer 16

UMN terminate on LMN and influence their activity.

Question 17

Somatic innervation of the bladder by ______ nerve.

Answer 17

Somatic innervation of the bladder by Pudendal nerve.

Question 18

_____________ responsible for distal and flexor muscles. Important for fractionated, precise movements.

Answer 18

Dorsolateral System responsible for distal and flexor muscles. Important for fractionated, precise movements.

Question 19

PSNS innervation of the bladder by ________ nerve.

Answer 19

PSNS innervation of the bladder by Pelvic nerve.

Question 20

Damage to the _________ system causes decreased or absent voluntary movement caudal to the lesion

Answer 20

Damage to the ventromedial system causes decreased or absent voluntary movement caudal to the lesion

Question 21

Lesion in crainial cervical region to lumbosacral region of the spinal cord causes _______ bladder.

Answer 21

Lesion in crainial cervical region to lumbosacral region of the spinal cord causes UMN bladder.

Question 22

__________ innervate skeletal muscle

Answer 22

LMN innervate skeletal muscle

Question 23

_________ Bladder

No voluntary micturition

Bladder distention

Urine leakage

Resist manual expression

Answer 23

UMN Bladder

No voluntary micturition

Bladder distention

Urine leakage

Resist manual expression

Question 24

_______ clinical signs are seen in region of the body caudal to the damaged section

Answer 24

UMN clinical signs are seen in region of the body caudal to the damaged section

______________
UMN cannont communicated with LMN