True & False Questions on Excretory System – GNM 1st Year Anatomy & Physiology | NursingNotesGNM

 

True and False Questions on Excretory System – GNM 1st Year Anatomy & Physiology

By NursingNotesGNM | Updated for GNM Final Exam 2026

Introduction

The excretory system is one of the most important topics in Anatomy & Physiology for GNM 1st year students. It helps the body remove waste products, maintain fluid balance, and regulate electrolytes. Understanding this system is essential for nursing exams as well as clinical practice.

Practicing true false questions anatomy is a smart way to revise quickly, improve accuracy, and strengthen core concepts before exams. These questions help you identify weak areas, revise facts, and gain confidence. This article is specially designed for Excretory system GNM learners with simple explanations and exam-oriented content.


Table of Contents

  • Introduction

  • Featured Snippet: What is the Excretory System?

  • True and False Questions on Excretory System

  • Key Takeaways

  • People Also Ask (PAA)

  • FAQs for GNM Students

  • Conclusion

  • Medical Disclaimer


What is the Excretory System?

The excretory system is the body system that removes metabolic waste and excess water from the body. It mainly includes kidneys, ureters, urinary bladder, and urethra. This system maintains fluid and electrolyte balance and helps keep the internal environment stable.


True and False Questions on Excretory System (GNM 1st Year)

Kidney & Nephron

Q1. The nephron is the structural and functional unit of kidney.
Answer: True

Q2. Humans normally have three kidneys.
Answer: False

Q3. Kidneys are located in the pelvic cavity.
Answer: False

Q4. Each kidney contains about one million nephrons.
Answer: True

Q5. Renal cortex lies outside the renal medulla.
Answer: True

Q6. Glomerulus is a tuft of capillaries.
Answer: True

Q7. Bowman’s capsule surrounds the glomerulus.
Answer: True

Q8. Kidneys help regulate blood pressure.
Answer: True

Q9. Kidneys produce bile.
Answer: False

Q10. Renal pelvis collects urine from calyces.
Answer: True


Urine Formation

Q11. Urine formation includes filtration, reabsorption, and secretion.
Answer: True

Q12. Filtration occurs in renal tubules.
Answer: False

Q13. Reabsorption mainly occurs in proximal convoluted tubule.
Answer: True

Q14. Normal urine is alkaline in nature.
Answer: False

Q15. About 180 liters of filtrate is formed daily.
Answer: True

Q16. ADH increases water reabsorption.
Answer: True

Q17. Aldosterone promotes sodium reabsorption.
Answer: True

Q18. Creatinine is normally absent in urine.
Answer: False

Q19. Urea is the main nitrogenous waste.
Answer: True

Q20. Urine formation occurs only during daytime.
Answer: False


Ureters, Bladder & Urethra

Q21. Ureters carry urine from kidneys to bladder.
Answer: True

Q22. Urinary bladder stores urine.
Answer: True

Q23. Urethra carries urine outside the body.
Answer: True

Q24. Female urethra is longer than male urethra.
Answer: False

Q25. Micturition means storage of urine.
Answer: False

Q26. Bladder capacity is about 400–600 ml.
Answer: True

Q27. Internal sphincter is voluntary muscle.
Answer: False

Q28. External sphincter is under voluntary control.
Answer: True

Q29. Ureters open directly into urethra.
Answer: False

Q30. Peristalsis helps urine flow in ureters.
Answer: True


Fluid, Electrolytes & Hormones

Q31. Kidneys regulate sodium and potassium levels.
Answer: True

Q32. ADH is secreted by adrenal gland.
Answer: False

Q33. Renin helps control blood pressure.
Answer: True

Q34. Kidneys activate vitamin D.
Answer: True

Q35. Electrolyte imbalance can affect heart rhythm.
Answer: True

Q36. Kidneys do not affect acid-base balance.
Answer: False

Q37. Erythropoietin stimulates RBC production.
Answer: True

Q38. Excess water is eliminated only through sweat.
Answer: False

Q39. Normal urine output is about 1–1.5 liters/day.
Answer: True

Q40. Kidneys help maintain body pH.
Answer: True


Clinical Points

Q41. Oliguria means decreased urine output.
Answer: True

Q42. Anuria means excessive urine.
Answer: False

Q43. UTI is more common in females.
Answer: True

Q44. Hematuria means blood in urine.
Answer: True

Q45. Proteinuria indicates kidney damage.
Answer: True

Q46. Dialysis replaces kidney function.
Answer: True

Q47. Kidney stones are called renal calculi.
Answer: True

Q48. Diabetes can damage kidneys.
Answer: True

Q49. Burning micturition is a sign of UTI.
Answer: True

Q50. Normal urine is bright red.
Answer: False


Key Takeaways

  • Nephron is the basic unit of kidney.

  • Urine formation has three steps: filtration, reabsorption, secretion.

  • Kidneys regulate fluids, electrolytes, BP, and RBC production.

  • Daily practice improves GNM exam performance.


People Also Ask (PAA)

What is the main function of kidney?
To remove waste and regulate fluid balance.

How is urine formed?
By filtration, reabsorption, and secretion.

What is a nephron?
The structural and functional unit of kidney.

How many kidneys are in the human body?
Two.

What is normal urine output?
About 1–1.5 liters per day.


FAQs – Excretory System GNM

  1. Are true/false questions important for GNM exams?
    Yes, they improve concept clarity and quick revision.

  2. Which topic is most scoring in excretory system?
    Nephron and urine formation.

  3. How many questions should I practice daily?
    At least 20–30.

  4. Is this useful for Nursing anatomy MCQs?
    Yes, it supports MCQs and theory.

  5. What is the best revision method?
    Daily practice with short notes.

  6. Can I rely on true/false alone?
    No, combine with MCQs and short answers.


Conclusion

Mastering the Excretory system GNM topic is essential for Anatomy & Physiology exams. These true false questions anatomy help reinforce key concepts, improve recall, and build exam confidence. Regular practice will make urine formation, nephron structure, and clinical points easier to remember. Bookmark this page and revise often for better performance in your GNM 1st year excretory system studies.


Medical Disclaimer

This content is for educational purposes only and not a substitute for professional medical advice.


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