Histology Question Bank
Renal Tubules
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Renal Tubules MCQs: practice questions
Sample Renal Tubules multiple-choice questions from Urinary System Histology.
Which nephron segment contains the macula densa?
- A. Proximal tubule
- B. Thin descending limb
- C. Collecting duct
- D. Distal tubule
- E. Papillary duct
Which organelle is abundant in the basal region of proximal tubular cells?
- A. Lipid droplets
- B. Secretory granules
- C. Keratin bundles
- D. Cilia
- E. Mitochondria
Which segment lacks the prominent brush border of the proximal tubule?
- A. Distal convoluted tubule
- B. Proximal convoluted tubule
- C. Thin limb
- D. Descending thick limb
- E. Glomerular capsule
What happens to collecting-tubule water permeability when ADH is absent?
- A. It increases greatly
- B. Glucose transport stops
- C. Podocyte filtration increases
- D. Cartilage forms
- E. It decreases
Which substance is synthesized and stored by juxtaglomerular cells?
- A. Renin
- B. Insulin
- C. Bile
- D. Surfactant
- E. Pepsinogen
Which collecting-tubule cells are called principal or light cells?
Which segment reabsorbs NaCl while remaining relatively impermeable to water?
Which vessels help preserve the medullary osmotic gradient by countercurrent exchange?
Which cells are modified smooth muscle cells in the afferent arteriole?
Which segment returns to the vascular pole?
Which nephron segment performs the largest fraction of sodium chloride and water reabsorption?
A distal tubular segment adjacent to an afferent arteriole contains closely packed tall cells. What is it?
Which sequence correctly follows filtrate after the renal corpuscle?
A tubule has a fuzzy lumen and abundant mitochondria. Which segment is it?
Which cells form the macula densa?
Which segment begins at the urinary pole?
Which collecting-tubule cells respond to ADH by increasing water permeability?
Which apical feature is prominent in proximal tubular cells?
Which epithelium lines the proximal convoluted tubule?
Which segment reabsorbs essentially all filtered glucose under normal conditions?
Which collecting-tubule cells are darker and participate in acid-base regulation?
Which segment is highly permeable to water?
Which segment secretes organic acids, bases, and some foreign substances?
Which segment contains simple squamous epithelium in its thin portion?
Which segment is the pars recta of the proximal tubule?