Labquiz # 3

What is the withdrawal reflex ?

An automatic involuntary spinal cord reflex that causes you to pull away from a harmful stimulus

What is the flexion reflex?

A protective automatic response that causes a limb to withdraw from a painful or damaging stimulus.

How do you test for the flexion reflex?

Touch something hot, or pin your finger with a needle , the hands move fast

What is the plantar reflex ?

Elicited by stimulating the cutaneous receptors in the sole of the foot. In adults the toes will curl and in babies the toes will fan out

Damage to the corneal reflex ?

Brainstem

What is the effector in the salivary reflex ?

Salivary gland

Does age or gender impact reflexes ?

No

What are Learned Reflexes ?

Automatic , involuntary responses acquired through experience or training. *Brain power

Why is it important to have a reflex ?

To see if a person is Neurologically intact

What are stretch reflexes ?

Important for maintain and adjusting muscle tone for posture , balance and locomotion

What are Rapid predictable involuntary motor responses ?

They are mediated over neural pathways called reflex arcs

What are the components of the Reflex Arc ?

Remember the acronym first . RSIME then fill it in . Receptor -is the stimulus , Sensory -neuron transmit efferent , Integration- is between the neuron and motor neuron, Motor neurons conduct efferent impulses Effector - the muscle fiber of gland

Pupillary light reflex?

Where both eyes constrict - when a light is shined in one eye .

Where is simple reflexes simulated in ?

The spinal cord

Where are more complex reflexes simulated in ?

There going to be mediated in the brain