Reflex Activity

Question 1

What does a reflex tell an examiner?

Answer 1

A clue to where the damage may have occurred along the conduction pathway

Question 2

Abdominial, cremasteric, plantar, anal reflex are

Answer 2

Superficial relfexes

Question 3

Biceps, triceps, brachioradials, patellar, ankle jerk are

Answer 3

Stretch relfexes

Question 4

Reflexes are

Answer 4

A type of control system to keep the body safe from potentially harmful changes internally and externally in environment (maintain homeostasis)

Question 5

Reflexes occur over highly specific pathways

Answer 5

Reflex arcs

Question 6

Stimulus is picked up or received here (site of stimulus action)

Answer 6

Receptor

Question 7

Transmits afferent impulses to CNS

Answer 7

Sensory neuron

Question 8

CNS

Answer 8

Integration center

Question 9

Conducts efferent impulses to an effector

Answer 9

Motor neuron

Question 10

Muscle fiber or gland that does something to respond motor commabd

Answer 10

Effector

Question 11

4 categories of spinal reflexes

Answer 11

Stretch
Withdrawal
Cross extensor
Superficial cord reflexes

Question 12

Degree of muscle length is conveyed by

Answer 12

Muscles spindles

Question 13

Info on tension in tendons

Answer 13

Golgi tendon

Question 14

Modified skeletal muscle fibers

Answer 14

Intrafusal muscle fibers

Question 15

Typical skeletal muscle fibers

Answer 15

Extrafusal

Question 16

Injury to lower spinal cord and lumbar plexus

Answer 16

Cremasteric reflex

Question 17

Tests integrity of spinal cord and ventral rami

Answer 17

Abdominal reflex

Question 18

To test sympathetic

Answer 18

Ciliosponal reflex

Question 19

To test parasympathetic

Answer 19

Pupillary light reflex

Salivary reflex

Question 20

Reflex that is genetic, not learned

Answer 20

Innate reflexes

Question 21

Learned by experience reflexes

Answer 21

Acquired reflexes

Question 22

Control the contraction of skeletal muscle fibers

Answer 22

Alpha motor neurons

Question 23

Neurons that adjust the stretch sensitivity of the muscle spindle do that the spindle is active even when muscle shortens

Answer 23

Gamma motor neurons

Question 24

When both sets of fibers causes tension on the muscle spindles to be maintained as the muscle shortens (sensitivity to stretch is maintained)

Answer 24

Alpha-Gamma Coactivation

Question 25

Reflex that involved only 2 neurons

Answer 25

Monosynaptic

Question 26

In order for the CNS to coordinate smooth contraction of skeletal muscles, a ads of receptors known as __ are required

Answer 26

Proprioceptors

Question 27

Modified skeletal muscle fibers that function as receptors in spinal reflexes

Answer 27

Intrafusal

Question 28

Innervation by ___ fibers make sure that muscle spindles stay sensitive to stretch

Answer 28

Gamma efferent

Question 29

Type of sensory receptor that causes muse to relax in response to excessive load

Answer 29

Golgi tendon organ

Question 30

Flexor or withdrawal reflex

Answer 30

Ipsilateral

Question 31

Motor response of a crossed extensor reflex

Answer 31

Contra lateral

Question 32

Reflex is a superficial relfex that tests the integrity of the spinal cord at L4-S2

Answer 32

Plantar

Question 33

Reflex is a superficial reflex that tests the integrity if the spinal cord at L1-L2

Answer 33

Cremasteric

Question 34

Stretch reflex that tests the integrity of the spinal cord at L2-L4

Answer 34

Patellar

Question 35

Nerve that carries afferent information when debris strikes the cornea

Answer 35

Trigeminal

Question 36

Nerve that carries efferent information causing the eye to blink

Answer 36

Facial

Question 37

Pupillary constrictor muscles contract for this reflex

Answer 37

Accommodation reflex

Question 38

When testing the plantar reflex, the patient spreads their toes and dorsiflexes their hallux. This indicates damage to

Answer 38

Corticospinal

Question 39

When light strikes one pupil and both pupils constrict, this is an indication of a normal ___ reflex

Answer 39

Consensual light

Question 40

Withdrawal reflex is ___ synaptic

Answer 40

Poly