Urination will be caused by simultaneous:
1. | contraction of smooth muscle of bladder and relaxation of urethral sphincter |
2. | relaxation of smooth muscle of bladder and contraction of urethral sphincter |
3. | contraction of smooth muscle of bladder and urethral sphincter |
4. | relaxation of smooth muscle of bladder and urethral sphincter |
The presence of which of the following in urine would be abnormal?
1. sodium | 2. glucose |
3. urea | 4. creatinine |
I: | The region designated as ‘X’ in the diagram is the sacral region of the spinal cord. |
II: | Motor signals from the spinal cord lead to relaxation of the muscle in the wall of the urinary bladder and constriction of the urinary sphincter. |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |