Urinary System MCQs

Urinary System Structure

• The main functional unit of the kidney is the nephron.
• The ureter is the tube that carries urine from the kidney to the bladder.
• The renal pelvis is the part of the kidney that collects urine before it moves to the ureter.

Urinary System Functions

• The primary function of the urinary bladder is to store urine.
• The kidneys filter blood through the process of filtration.
• The hormone antidiuretic hormone (ADH) regulates water reabsorption in the kidneys.

Urinary System Disorders

• Hematuria is the condition characterized by the presence of blood in the urine.
• Glycosuria is the presence of glucose in the urine.
• Pyuria is the presence of pus in the urine.
• Nephrolithiasis is the medical term for kidney stone formation.
• Nocturia is the condition of excessive urination at night.
• Diabetes insipidus is a condition that results from the kidneys' inability to regulate water balance.
• Uremia is the buildup of nitrogenous waste in the blood due to kidney dysfunction.

Urinary System Tests

• The specific gravity test is used to measure the concentration of urine.
• The pH test is used to measure the acidity of urine.
• The glucose test is used to detect sugar in urine.
• The protein test is used to detect protein in urine.

Urinary System Terms

• Cystoscopy is the procedure used for visual examination of the urinary bladder.
• Nephrectomy is the surgical removal of a kidney.
• Urethroplasty is the surgical repair of the urethra.
• Lithotripsy is the procedure used to break up kidney stones.
• Urethritis is the inflammation of the urethra.
• Urethrostenosis is the narrowing of the urethra.
• Enuresis is the term used to describe bed-wetting.

Urinary System Processes

• Reabsorption is the process by which the kidneys reabsorb water and nutrients back into the bloodstream.
• Excretion is the process by which the kidneys remove waste products from the bloodstream.
• Filtration is the process by which the kidneys filter blood to remove waste products.

Assess your knowledge of the urinary system with this 50-question multiple-choice quiz, covering topics such as the kidney, ureter, bladder, and more.