50 MCQ about Excretory System With Answer

Excretory System Quiz

Excretory System Quiz

  1. What is the primary function of the excretory system?

    a. Transportation of nutrients
    b. Regulation of body temperature
    c. Elimination of waste products
    d. Production of hormones
  2. Which organ is primarily responsible for filtering blood and producing urine?

    a. Liver
    b. Lungs
    c. Kidneys
    d. Spleen
  3. Which of the following is NOT a part of the excretory system?

    a. Urethra
    b. Skin
    c. Pancreas
    d. Bladder
  4. The functional units of the kidneys are called:

    a. Neurons
    b. Alveoli
    c. Nephrons
    d. Ureters
  5. Which of the following is a waste product excreted by the kidneys?

    a. Glucose
    b. Uric acid
    c. Hemoglobin
    d. Oxygen
  6. Where does urine production occur within the nephron?

    a. Glomerulus
    b. Loop of Henle
    c. Collecting duct
    d. Bowman’s capsule
  7. Which hormone regulates the concentration of water in the urine?

    a. Insulin
    b. Estrogen
    c. Progesterone
    d. Antidiuretic hormone (ADH)
  8. Which structure carries urine from the kidneys to the bladder?

    a. Urethra
    b. Ureter
    c. Renal artery
    d. Renal vein
  9. What is the average daily urine output of a healthy adult?

    a. 50-100 mL
    b. 200-500 mL
    c. 1-2 liters
    d. 3-5 liters
  10. Which of the following substances is NOT normally found in urine?

    a. Sodium
    b. Urea
    c. Glucose
    d. Creatinine
  11. What is the main function of the urethra?

    a. Filtration of blood
    b. Regulation of body temperature
    c. Conduction of urine out of the body
    d. Production of urine
  12. Which of the following is a disorder of the excretory system?

    a. Diabetes mellitus
    b. Asthma
    c. Hypertension
    d. Malaria
  13. Which organ plays a role in both the excretory system and the endocrine system?

    a. Liver
    b. Heart
    c. Stomach
    d. Pancreas
  14. Which of the following is a symptom of kidney stones?

    a. Increased urine production
    b. Decreased blood pressure
    c. Blood in urine
    d. Weight gain
  15. Which part of the excretory system is responsible for removing waste gases from the body?

    a. Liver
    b. Lungs
    c. Kidneys
    d. Skin
  16. Which of the following is a function of the urinary bladder?

    a. Filtration of blood
    b. Production of urine
    c. Storage of urine
    d. Reabsorption of water
  17. Which of the following is a common method for diagnosing kidney diseases?

    a. X-ray
    b. Electrocardiogram (ECG)
    c. Blood test
    d. Urinalysis
  18. Which of the following is a condition characterized by the loss of kidney function?

    a. Hypertension
    b. Diabetes mellitus
    c. Kidney failure
    d. Pneumonia
  19. Which of the following is a function of the skin in the excretory system?

    a. Filtration of blood
    b. Production of urine
    c. Regulation of body temperature
    d. Reabsorption of water
  20. Which of the following is a waste product excreted through the skin?

    a. Carbon dioxide
    b. Urea
    c. Bile
    d. Hemoglobin
  21. Which of the following is a function of the liver in the excretory system?

    a. Filtration of blood
    b. Production of urine
    c. Storage of urine
    d. Detoxification of harmful substances
  22. Which of the following is a condition characterized by high blood pressure?

    a. Hypertension
    b. Hypotension
    c. Diabetes mellitus
    d. Anemia
  23. Which of the following is NOT a function of the kidneys?

    a. Regulation of blood pressure
    b. Production of urine
    c. Regulation of electrolyte levels
    d. Production of red blood cells
  24. Which of the following is a disorder of the urinary bladder?

    a. Arthritis
    b. Asthma
    c. Urinary incontinence
    d. Migraine
  25. Which of the following is a function of the ureters?

    a. Filtration of blood
    b. Production of urine
    c. Storage of urine
    d. Conduction of urine from the kidneys to the bladder
  26. Which of the following is a symptom of urinary tract infection (UTI)?

    a. Increased urine production
    b. Decreased blood pressure
    c. Blood in urine
    d. Weight loss
  27. Which of the following is a condition characterized by the inflammation of the kidneys?

    a. Appendicitis
    b. Bronchitis
    c. Nephritis
    d. Osteoporosis
  28. Which of the following is a function of the loop of Henle in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Storage of urine
  29. Which of the following is a function of the collecting ducts in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Conduction of urine from the kidneys to the bladder
  30. Which of the following is a function of the renal arteries in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Supply of oxygen and nutrients to the kidneys
  31. Which of the following is a function of the renal veins in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Drainage of deoxygenated blood from the kidneys
  32. Which of the following is a function of the juxtaglomerular apparatus in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Regulation of blood pressure and filtration rate
    d. Storage of urine
  33. Which of the following is a symptom of kidney infection?

    a. Increased urine production
    b. Decreased blood pressure
    c. Blood in urine
    d. Weight gain
  34. Which of the following is a condition characterized by the presence of abnormal proteins in the urine?

    a. Proteinuria
    b. Anemia
    c. Osteoporosis
    d. Hypertension
  35. Which of the following is a function of the glomerulus in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Storage of urine
  36. Which of the following is a condition characterized by the presence of excessive protein in the urine?

    a. Proteinuria
    b. Hematuria
    c. Glycosuria
    d. Hyperkalemia
  37. Which of the following is a function of the Bowman’s capsule in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Storage of urine
  38. Which of the following is a symptom of kidney disease?

    a. Increased urine production
    b. Decreased blood pressure
    c. Blood in urine
    d. Weight loss
  39. Which of the following is a condition characterized by the presence of blood in the urine?

    a. Hematuria
    b. Proteinuria
    c. Glycosuria
    d. Hyperkalemia
  40. Which of the following is a function of the peritubular capillaries in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Storage of urine
  41. Which of the following is a function of the distal convoluted tubules in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Storage of urine
  42. Which of the following is a condition characterized by the accumulation of excess fluid in the body tissues?

    a. Edema
    b. Dehydration
    c. Anemia
    d. Hypernatremia
  43. Which of the following is a function of the proximal convoluted tubules in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Storage of urine
  44. Which of the following is a condition characterized by low blood sodium levels?

    a. Hyponatremia
    b. Hypernatremia
    c. Hyperkalemia
    d. Hypokalemia
  45. Which of the following is a function of the renin-angiotensin-aldosterone system in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Regulation of blood pressure and fluid balance
  46. Which of the following is a condition characterized by high blood potassium levels?

    a. Hyperkalemia
    b. Hypokalemia
    c. Hypernatremia
    d. Hyponatremia
  47. Which of the following is a function of the vasa recta in the kidneys?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Storage of urine
  48. Which of the following is a condition characterized by the presence of glucose in the urine?

    a. Glycosuria
    b. Proteinuria
    c. Hematuria
    d. Hypernatremia
  49. Which of the following is a function of the urethra in the urinary system?

    a. Filtration of blood
    b. Production of urine
    c. Reabsorption of water and salts
    d. Conduction of urine from the bladder to the outside of the body
  50. Which of the following is a condition characterized by the inability to control urination?

    a. Urinary incontinence
    b. Urinary retention
    c. Urinary tract infection
    d. Urinary calculus