L11- Reflexes

Question 1

5 parts of reflex arc

Answer 1

receptor
afferent limb
central connections
efferent limb
effector organ

Question 2

what is the knee jerk reflex called

Answer 2

myotatic (stretch) spinal reflex

Question 3

how is myotatic spinal reflex performed

Answer 3

striking middle patellar ligament/tendon insertion for quad

Question 4

purpose of myotatic spinal reflex

Answer 4

oppose stretch of muscle

Question 5

the myotatic spinal reflex transmits action to

Answer 5

extend tibia

Question 6

what happens when myotatic spinal reflex stretches the quad muscle

Answer 6

stimulates muscle spindles generates impulse

Question 7

the impulse of myotatic spinal reflex gets sent to the

Answer 7

dorsal root of spinal nerve

Question 8

the impulse travels from the dorsal root to the

Answer 8

motor neuron of ventral horn of gray matter

Question 9

the impulse leaves the motor neurons to

Answer 9

cause quad to contract

Question 10

effector organs are composed of striated muscle

Answer 10

somatic reflex

Question 11

effector organs are either smooth or cardiac muscle, or glands

Answer 11

visceral reflex

Question 12

visceral reflexes are transmitted by the

Answer 12

ANS

Question 13

pushing down on the back of a dog causes muscle movements that compensate for and resist the displacement.

Answer 13

standing reflex

Question 14

displacement of one part of the body is followed by postural changes in other parts

Answer 14

attitudinal reflex

Question 15

dropping an inverted cat is followed by its landing in the upright position.

Answer 15

righting reflex

Question 16

how to test attitudinal reflex

Answer 16

lift head of horse to see postural change of rear quarters

Question 17

pushing a supported dog with three limbs elevated results in a placement correction of the intact leg to act as a rigid pillar

Answer 17

hopping reflex

Question 18

stepping on something sharp causes leg to contract other leg stays standing/ extends (postural

Answer 18

crossed extensor reflex

Question 19

purpose of postural reflexes

Answer 19

maintaining upright position

Question 20

state of muscle tension that enables an animal to assume and maintain upright position

Answer 20

muscle tone