Advanced Kidney Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. What drives the reabsorption of glucose in the proximal tubule?
- Sodium-glucose cotransporters (SGLT)
- Simple diffusion
- Aldosterone receptors
- Glucose ATP pumps
Q2. What is the primary site of active transport of sodium in the nephron?
- Distal tubule
- Collecting duct
- Proximal tubule
- Thick ascending limb
Q3. What is the role of mesangial cells in the glomerulus?
- Secrete aldosterone
- Support and regulate glomerular filtration
- Filter red blood cells
- Produce erythropoietin
Q4. Which structure forms the filtration barrier in the glomerulus?
- Proximal tubule epithelium
- Endothelium, basement membrane, podocytes
- Vasa recta and collecting duct
- Renal capsule only
Q5. How does angiotensin II affect the efferent arteriole?
- Reduces blood flow to medulla
- Constriction of efferent arteriole
- Increases sodium secretion
- Dilation of afferent arteriole
Q6. Which segment of the nephron is impermeable to water?
- Collecting duct
- Thick ascending limb
- Proximal convoluted tubule
- Thin descending limb
Q7. Which hormone stimulates erythropoietin production in the kidneys?
- Renin
- Hypoxia-inducible factors
- Aldosterone
- ADH
Q8. What is the function of intercalated cells in the collecting duct?
- Regulate acid-base balance
- Produce renin
- Reabsorb glucose
- Maintain GFR
Q9. What is the effect of sympathetic stimulation on renal blood flow?
- Increases urine output
- Enhances aldosterone release directly
- Dilates afferent arteriole
- Reduces renal blood flow
Q10. Which layer of Bowman’s capsule is composed of podocytes?
- Visceral layer
- Parietal layer
- Juxtaglomerular apparatus
- Basement membrane