autonomic reflex example: micturition

Question 1

1. stimulus

Answer 1

stretch in urinary bladder is it fills w/ urination

Question 2

2. receptor

Answer 2

stretch (pressure) receptors in the bladder wall send signals to spinal cord (and brain- which is to tell you and your urge to go)

Question 3

3. CNS integration

Answer 3

in sacral segment (which contains the cell bodies of preganglionic neurons of the PSNS and these relay the signals to the postganglionic neurons
that innervate the muscle of the bladder wall)

Question 4

4. effector

Answer 4

detrusor muscle (bladder wall) contracts and internal urethral sphincter opens

Question 5

response

Answer 5

urine out of the bladder and enters into the urethra