Urinary System

Question 1

What are the Functions in the Urinary System?

Answer 1

• Removes Waste
• Maintain Water in the Body
• Maintain pH balance in the Body
• Hormones Production in the Kidney

Question 2

Structure/Location of the Kidney

Answer 2

Structure:

• Bean-like Shaped
• Reddish-Brown
• Tough Fibrous Capsule

Location:

• Behind the Abdominal Peritoneum
• Below the Ribs
• Behind the Stomach

Question 3

What is the Kidney?

Answer 3

• Removes Waste from the Blood

Question 4

Parts/Function of the Nephrons

Answer 4

• Functional Unit of the Kidney
• Filtration of Blood, Forms Urine and Removes Waste Product
• Two Parts of the Nephron: Renal Cortex and Renal Medulla

Question 5

Urine Formation

Answer 5

1) Glumerular Filtration: Transport Substances into the Bowman’s Capsule
2) Tubular Reabsorption: Transport Substances into the Peritubular Capillaries from the Glumerular Filtrate
3) Tubular Secretion: Substance/Chemicals Moves Out of the Blood in the Peritubular Tube and into the Renal Tubules

Question 6

What Happens in Urine Elimination?

Answer 6

• About 125 mL/minute or 180 L/day of Filtered Plasma
• 1-2 L of Urine leaves the body each day
• Urea/Creatinine/Uric Acid is Eliminated
• Molecules (Water, Sodium, and Chloride) is Conserved

Question 7

Urinary System Lab Test

Answer 7

Urea (BUN)
Serum Creatinine
Creatinine Clearance- blood and urine-24 hr
Routine Urinalysis and C&S
Serum Calcium and Phosphate
Electrolytes –Na, K, Cl
Urine 24hr protein
Serum Urate (uric acid)
Albumin
Ammonia
Osmolality

Question 8

Disorder/Diseases

Answer 8

• Cystitis (Urinary Bladder Infection)
• Caused by Bacteria
• Kidney Stones
• Gout Defects the Ureters