Reflexes

Question 1

reflex

Answer 1

rapid, pre-programmed, involuntary reactions of muscles or glands to a stimulus

jerking your hand away from a hot burner

Question 2

somatic reflex

Answer 2

voluntary control???

Question 3

autonomic reflex

Answer 3

enable ANS to control visceral function- maintain homeostasis

bladder stretch signals receptor to tell motor neuron to relax sphincter and release urine

Question 4

ipsilateral

Answer 4

both receptor and effector organs of reflex arc on same side of spinal cord

left arm contracts to pull left hand away from hot pan

Question 5

contralateral

Answer 5

sensory impulse from receptor organ cross over through spinal cord to activate effector organs in opposite limb

step on sharp object with right foot and contract left leg to maintain balance as you lift right foot up

Question 6

Reflex Arc

Answer 6

1- stimulus activates sensory receptor
2- nerve signal propagated through sensory neuron to spinal cord (CNS)
3- info processed by interneuron
4- motor neuron transmits impulse to effector
5- effector responds