Urinary System Multiple Choice Questions

Multiple-choice questions about the function of the urinary system. renal physiology test bank, renal calculi, kidney anatomy MCQs

The Urinary System is a group of organs, also known as the renal system or urinary tract, the excretory system consists of the two kidneys, two ureters, the bladder, and the urethra. The purpose of the urinary system is to produce, store, and eliminates urine & waste product (ex- ammonia, urea, uric acid, creatinine & bilirubin) from the body, urinary system also work as a regulation of blood plasma electrolyte and blood osmolarity, blood pH, blood volume and BP. The production of hormones is also a major function of the renal system.

We are providing some multiple-choice questions related to the functioning of the urinary system. renal physiology test bank, urinary system quiz for nurses, questions on renal calculi, kidney anatomy MCQs & kidney quiz to improve your knowledge. 

renal system multiple-choice questions

MCQs 1. The last part of a nephron is the _____.

A) Collecting Duct
B) Renal papilla
C) Distal convoluted tubule
D) Glomerulus

MCQs 2. Which area actually secretes renin into the blood?

A) Macula densa
B) Juxtaglomerular apparatus
C) Juxtaglomerular cells
D) Cortical nephron

MCQs 3. Which blood vessel conveys blood out of the nephron?

A) Efferent arteriole
B) Vasa recta
C) Peritubular capillary
D) Interlobular vein

MCQs 4. Which blood vessels surround the loops of Henle?

A) Vasa recta
B) Peritubular capillaries
C) Interlobular arteries
D) Efferent arterioles

MCQs 5. Which of the following are not found in the glomerular filtrate?

A) Glucose
B) Protein
C) Uric acid
D) Creatinine

MCQs 6. Which muscle metabolism waste product is eliminated by the kidneys?

A) Urea
B) Uric acid
C) Creatine
D) Creatinine

MCQs 7. Which of these has the highest concentration in the urine?

A) Glucose
B) Sodium
C) Uric acid
D) Phosphate

MCQs 8. Which ion is reabsorbed in exchange for sodium?

A) Chloride
B) Potassium
C) Calcium
D) Magnesium

MCQs 9. What is the average glomerular filtration rate?

A) 10 L per day
B) 180 L per day
C) 1,500 ml per day
D) 1 ml per minute

MCQs 10. Which of the following is usually not found in the urine?

A) Magnesium
B) Urea
C) Uric acid
D) Glucose

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MCQs 11. How much urine is formed in 24 hours?

A) 12 liters
B) 100 ml
C) 1.5 L
D) 3,000 cc

MCQs 12. Renin acts on _____ to convert it to angiotensin I.

A) Angiotensin II
B) Angiotensinogen
D) Aldosterone

MCQ on the urinary system with answers

MCQs 13. The targets of angiotensin II are blood vessels and _____.

A) Nerves
B) Adrenal cortex
C) Adrenal medulla
D) Kidney nephron

MCQs 14. Tubular re-absorption occurs from the nephron tubules into the _____.

A) Loop of Henle
B) Peritubular capillaries
C) Renal corpuscle
D) Renal pyramid

MCQs 15. Most tubular re-absorption occurs at the _____.

A) Loop of Henle
B) Distal convoluted tubule
C) Proximal convoluted tubule
D) Glomerulus

MCQs 16. Where are most micro-villi found?

A) Loop of Henle
B) Distal convoluted tubule
C) Loop of Henle
D) Proximal convoluted tubule

MCQs 17. Which of the following occurred by active transport?

A) Albumin in the urine
B) Creatinine in the urine
C) Re-absorption of water at the proximal tubule
D) Re-absorption of amino acids

MCQs 18. Which of these does not operate under a renal threshold mechanism?

A) Creatinine
B) Ascorbic acid
C) Sodium
D) Citric acid

MCQs 19. The action of aldosterone is to increase _____.

A) Sodium elimination
B) Sodium reabsorption
C) Potassium reabsorption
D) Chloride excretion

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MCQs 20. How much sodium is actively reabsorbed by the proximal segment of the nephron?

A) 10%
B) 1%
C) 70%
D) 99%

MCQs 21. The outermost covering of the kidney is the _____.

A) Cortex
B) Medulla
C) Pelvis
D) Capsule

MCQs 22. The kidneys are located in the _____ space.

A) Pelvic cavity
B) Peritoneal cavity
C) Abdominal
D) Retro-peritoneal

MCQs 23. The entrance into the kidney is called the _____.

A) Sinus
B) Column
C) Hilum
D) Pyramid

MCQs 24. Which structure is the first to collect the urine?

A) Pelvis
B) Calyx
C) Ureter
D) Urethra

MCQs on a urinary system with answers

MCQs 25. Each minor calyx receives urine from the _____.

A) Renal papillae
B) Pelvis
C) Ureter
D) Columns

MCQs 26. The renal pyramids are located within the _____.

A) Column
B) Cortex
C) Medulla
D) Pelvis 

MCQs 27. The striated appearance of the pyramids is caused by _____.

A) Parallel blood vessels
B) Micro-tubules
C) Connective tissue
D) Nerve fibers

MCQs 28. The kidney secretes ___ for the purpose of stimulating bone marrow activity.

A) Renin
B) Aldosterone
C) Erythropoietin
D) Somatomedin

MCQs 29. The kidney secretes ___, which is an enzyme hormone that raises blood pressure.

A) Aldosterone
B) Renin
C) Angiotensinogen
D) Angiotensin II

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MCQs 30. Uric acid results from _____ metabolism.

A) Protein
B) Carbohydrate
C) Purine
D) Pyrimidine

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MCQs 31. Renal secretion of a compound usually occurs from the _____ into the distal convoluted tubule.

A) Loop of Henle
B) Glomerulus
C) Vasa recta
D) Peritubular capillaries

MCQs 32. Which of these is not usually secreted by the kidneys?

A) Creatine
B) Creatinine
C) H +
D) Penicillin

MCQs 33. The compound used to assess the function of the kidney at the level of the glomerulus is _____.

A) Creatinine
B) Insulin
C) Para-aminohippuric acid
D) Creatine

MCQs 34. Which of these could appear in the urine from dieting or the utilization of excess lipids?

A) Urea
B) Uric acid
C) Glycine
D) Ketone

MCQs 35. Vigorous exercise could release high amounts of _____ into the urine.

A) Glucose
B) Uric acid
C) Albumin
D) Ascorbic acid

MCQs 36. What causes urine to flow from the kidneys to the bladder?

A) Gravity
B) Hydrostatic pressure
C) Peristalsis
D) Osmotic pressure

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MCQs 37. Renal calculi are usually comprised of the following except which one?

A) Calcium oxalate
B) Cholesterol
C) Uric acid
D) Magnesium phosphate

MCQs 38. The mucosa of the bladder is comprised of _____.

A) Smooth muscle
B) Squamous epithelium
C) Transitional epithelium
D) Simple columnar epithelium

MCQs 39. Which of these is under voluntary control?

A) Urethra
B) Detrusor muscle
C) Internal sphincter
D) External sphincter

urinary system multiple-choice questions

MCQs 40. The micturition reflex is centered in the _____.

A) Medulla
B) Sacral cord
C) Hypothalamus
D) Lumbar cord

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MCQs 41. What is the function of the renal system?

A) Maintain blood pH
B) Regulate blood pressure
C) Control blood concentration
D) All of these

MCQs 42. How much of the cardiac output passes through the kidneys?

A) 10%
B) 25%
C) 50%
D) 65%

MCQs 43. Which blood vessel delivers blood to the cortex?

A) Interlobular artery
B) Arcuate artery
C) Interlobar artery
D) Efferent arteriole

MCQs 44. The renal corpuscle is comprised of a glomerulus and _____.

A) Proximal convoluted tubule
B) Bowman’s capsule
C) Loop of Henle
D) Distal convoluted tubule

MCQs 45. Which section of the nephron is after the ascending limb of the loop of Henle?

A) Descending limb of the loop
B) Proximal convoluted tubule
C) Distal convoluted tubule
D) Collecting duct

Renal system MCQ

MCQs 46. The countercurrent multiplier mechanism occurs at the _____.

A) Proximal convoluted tubule
B) Loop of Henle
C) Distal convoluted tubule
D) Collecting ducts

MCQs 47. The fluid in the descending limb of the loop of Henle is _____ relative to the capillaries.

A) Isotonic
B) Weakly hypotonic
C) Strongly hypotonic
D) Hypertonic

MCQs 48. The function of the countercurrent multiplier is to _____.

A) Increase the concentration of NaCl
B) Decrease the concentration of NaCl
C) Change the blood levels of potassium
D) Conserve potassium

MCQs 49. What effect does ADH have on urine output?

A) Minimal
B) Increases
C) Decreases
D) Maintains

MCQs 50. Where does ADH have its greatest effect?

A) Loop of Henle
B) Proximal convoluted tubule
C) Distal convoluted tubule
D) Glomerulus

MCQs 51. Eating large amounts of meat will increase the levels of _____ in the blood.

A) Protein
B) Creatinine
C) Urea
D) Uric acid

Also, Read

What is a nephron, and its type structure function?

Anatomy and Physiology of the Urinary System

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