Disorders of the Lower Urinary Tract Quiz

What is the role of the pontine micturition center in micturition?

• Coordinates relaxation of the internal sphincter

• Coordinates contraction of the bladder

• Inhibits the process of micturition

• Controls conscious control of the external sphincter

Answer explanation

The pontine micturition center coordinates relaxation of the internal sphincter during micturition.

Which sphincter prevents the bladder from emptying until the pressure in the body of the bladder rises above a specific threshold?

• Internal sphincter

• External sphincter

• Pontine sphincter

• Cerebral sphincter

Answer explanation

The internal sphincter prevents the bladder from emptying until the pressure in the bladder rises above a specific threshold.

What can be a cause of incontinence?

• Spinal cord injury

• Diabetes

• All of the above

• Stroke

Answer explanation

Incontinence can be caused by spinal cord injury, diabetes, and stroke. All of the above choices are correct.

Which type of incontinence is characterized by the involuntary leakage of urine during physical activities or exertion?

• Functional incontinence

• Stress urinary incontinence (SUI)

• Urgency urinary incontinence (UUI)

• Overflow urinary incontinence

Answer explanation

Stress urinary incontinence (SUI) is characterized by involuntary urine leakage during physical activities or exertion.

What is the term used to describe a bladder dysfunction caused by a problem with the central, autonomic, or peripheral nervous system?

• Transient incontinence

• Urinary tract infection

• Lower urinary tract infection

• Neurogenic bladder

Answer explanation

Neurogenic bladder is the term used to describe a bladder dysfunction caused by a problem with the nervous system. It is the correct choice.

What is the primary function of the detrusor muscle in the process of micturition?

• It contracts to push urine out of the bladder

• It relaxes to allow urine to enter the bladder

• It controls the external sphincter

• It inhibits the process of micturition

Answer explanation

The detrusor muscle contracts to push urine out of the bladder.

Which condition can lead to overflow incontinence?

• Bladder stones

• Prostate gland enlargement

• Tumors that block the urinary tract

• All of the above

Answer explanation

Overflow incontinence can be caused by bladder stones, prostate gland enlargement, and tumors that block the urinary tract. All of the above conditions can lead to overflow incontinence.

What is the term used to describe the inability to hold urine in the bladder due to loss of voluntary control over the urinary sphincters?

• Functional incontinence

• Stress urinary incontinence (SUI)

• Urgency urinary incontinence (UUI)

• Urge incontinence

Answer explanation

Urge incontinence is the term used to describe the inability to hold urine in the bladder due to loss of voluntary control over the urinary sphincters.

What is the term used to describe the involuntary leakage of urine immediately after feeling a strong, sudden urge to urinate?

• Functional incontinence

• Stress urinary incontinence (SUI)

• Urgency urinary incontinence (UUI)

• Overflow urinary incontinence

Answer explanation

Urgency urinary incontinence (UUI) is the term used to describe the involuntary leakage of urine immediately after feeling a strong, sudden urge to urinate.

What is the role of the detrusor muscle in the process of urinary retention?

• It contracts to push urine out of the bladder

• It relaxes to allow urine to enter the bladder

• It controls the external sphincter

• It inhibits the process of micturition

Answer explanation

The detrusor muscle relaxes to allow urine to enter the bladder, leading to urinary retention.