The Urinary System

Kidneys, Ureters, Bladder, Urethra

Kidneys

• Filter the Blood as it passes through
• Removes Waste Products

Ureters

• Go from kidney to bladder
• Lined with mucous
• Prevent infection and backflow
• Peristalsis moves urine forward to bladder

The Bladder

• Smooth muscles contract
• Urination occurs

The Urethra

• Carries urine out of the body
• Shorter in women
• Who do you think is more prone to infections?

Function of Urinary System

• Remove liquid wastes
• Maintain Homeostasis (Fluid Balance)
• Too much fluid?
• Not enough fluid?

Effects of Aging

• Less efficient filtration
• Decreased muscle tone
• Enlarged prostate in men
• Increased infection risk

True or False? Older adults should cut back on fluid intake to prevent illness due to poor function of kidneys?

False!

• Important for elderly
• Helps kidney function
• Removes bacteria from bladder
• Prevent infections

Disorders of the US

• Urethritis (more common in men
• Cystitis (bladder infection)
• Kidney Infections
• Kidney Stones

Signs and Symptoms

• frequency, urgency, burning
• Fever
• Confusion
• Change in urine color and odor
• Increased incontinence
• Blood

Kidney  Stones

Kidney Failure

• Initial dilute large output
• Eventual decreased output
• Change in skin, yellowish caste
• Oliguria followed by Anuria

True or False

Responsibilities

• Toileting every two hours or more
• Offer Fluids
• Monitor urine for changes in amount, odor, color or clarity
• Report any changes