Biology Practice: Excretion in Human (Mock Test 4 - Expert Challenge)
1. The "Malpighian Corpuscle" (Renal Corpuscle) is located exclusively in which region of the kidney?
2. Why does blood enter the Glomerulus under extremely high pressure?
3. Which of the following is a "vital" substance that is 100% reabsorbed in the proximal part of a healthy renal tubule?
4. The specific process by which the liver breaks down excess amino acids to form urea is called:
5. "Diuresis" is a condition characterized by increased urine production. This often happens when:
6. Which component of blood is physically too large to pass through the glomerular filtration slits in a healthy kidney?
7. The indentation on the inner concave side of the kidney where the renal artery enters and the ureter leaves is called the:
8. What is the pH level of normal human urine under standard conditions?
9. "Peritubular capillaries" surround the renal tubule to facilitate:
10. A "Renal Calculus" is the medical term for:
11. In the Dialysis process, why is the blood flow kept in the opposite direction to the dialysing fluid (Counter-current)?
12. Which part of the brain monitors the concentration of water in the blood and triggers ADH release?
13. Besides metabolic wastes, what else do the kidneys help regulate to maintain homeostasis?
14. "Pyuria" is a clinical condition where the urine appears cloudy due to the presence of:
15. The "Collecting Duct" of the nephron primarily serves to:
16. What would happen to micturition if the nerves connecting the bladder to the brain were severed?
17. Which of these is a gaseous waste product excreted by the skin in very trace amounts?
18. Why is the "Renal Vein" described as having the "cleanest" blood in the entire body?
19. If a person drinks 5 liters of water in an hour, how will the kidneys respond?
20. The "Uro-genital system" refers to the fact that:
