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Epithelial Tissue

Cilia Practice Questions

20 free Cilia practice questions for the Histology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Cilia questions

20 questions
  1. Q1. What is the characteristic microtubule arrangement in the axoneme of a motile cilium?
  2. Q2. Which of the following proteins serves as the molecular motor that generates the sliding force between microtubule doublets in cilia?
  3. Q3. The basal body, which anchors the cilium to the apical cytoplasm, has a microtubule arrangement similar to which other organelle?
  4. Q4. Which of the following describes the 'effective stroke' of a motile cilium?
  5. Q5. Primary cilia (non-motile cilia) differ from motile cilia in that they typically:
  6. Q6. In which of the following locations would you expect to find a high concentration of motile cilia?
  7. Q7. Kartagener syndrome, a subset of primary ciliary dyskinesia, is characterized by a genetic defect in which structure?
  8. Q8. What is the approximate length of a typical motile cilium on an epithelial cell?
  9. Q9. Which protein prevents the microtubule doublets from sliding past each other indefinitely, converting sliding into a bending motion?
  10. Q10. In a light microscope (H&E stain), the layer of basal bodies at the base of the cilia often appears as a thin, dark line called the:
  11. Q11. Primary ciliary dyskinesia often leads to female subfertility because cilia are essential in which structure?
  12. Q12. Which of the following is a key functional role of primary (9+0) cilia in the kidney tubules?
  13. Q13. Which type of tubulin is specific to the assembly of the basal body and is not part of the axoneme?
  14. Q14. The 'radial spokes' of the axoneme connect which two parts?
  15. Q15. Which ions are essential for the regulation of the ciliary beat frequency and coordination?
  16. Q16. The process by which ciliary components are transported from the cell body to the tip of the cilium is called:
  17. Q17. Which of the following describes the arrangement of microtubules in the central singlets of a motile cilium?
  18. Q18. During the recovery stroke, the cilium bends near its base to:
  19. Q19. Cilia are distinct from microvilli because microvilli are composed of which cytoskeletal element?
  20. Q20. Nodal cilia, found in the embryonic 'node', are unique because they: