Question

A 68-year old man is unable to voluntarily empty his bladder. The micturation reflex is functioning normally. He has normal levels of plasma creatinine.

Which of the following is a most likely reason for the bladder malfunction?

A 68-year old man is unable to voluntarily empty his bladder. The micturation reflex is functioning normally. He has normal levels of plasma creatinine.

Which of the following is a most likely reason for the bladder malfunction?

Parasympathetic nerves fail to control bladder fundus contraction.

Kidney stones prevent urine transfer to the bladder.

Sympathetic nerves fail to control the internal sphincter.

Ureter cannot perform the peristaltic contractions.

External sphincter failure.

Answer 1

ANS: Parasympathetic nerves fail to control bladder fundus contraction

The patient may seems to have the above cause to the problem he is facing that is unable to voluntaryemptying bladder. Because the nerve disruption between the bladder and brain can cause to lose control of bladder function. The problem may lie in the nerves that send messages back and forth or in the nerves that control the muscles used in urination, or both. This kind of condition is referred as a "Neurogenic Bladder."