Histology Question Bank
Testis
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Testis MCQs: practice questions
Sample Testis multiple-choice questions from Reproductive System Histology.
Which Sertoli-cell junctions separate basal and adluminal compartments?
- A. Zonulae occludentes
- B. Gap junctions
- C. Hemidesmosomes
- D. Focal adhesions
- E. Desmosomes between germ cells
Which structure forms the blood-testis barrier?
- A. Gap junctions between Leydig cells
- B. Desmosomes between spermatids
- C. Basal lamina of Leydig cells
- D. Tight junctions between spermatozoa
- E. Tight junctions between Sertoli cells
Which testicular cells are the principal source of testosterone?
- A. Sertoli cells
- B. Spermatogonia
- C. Leydig cells
- D. Primary spermatocytes
- E. Spermatids
Which hormone acts directly on Sertoli cells to support spermatogenesis?
- A. LH
- B. ACTH
- C. TSH
- D. FSH
- E. ADH
Which testicular cells have abundant mitochondria, Golgi apparatus, and lipid droplets for steroid synthesis?
- A. Sertoli cells
- B. Spermatids
- C. Spermatogonia
- D. Peritubular myoid cells
- E. Leydig cells
Which germ cell has 4C DNA content before the first meiotic division?
Which statement best describes the seminiferous epithelium?
Which Sertoli-cell product helps maintain a high intratubular testosterone concentration?
What happens to the seminiferous epithelium during spermatogenesis?
Which cells phagocytose excess cytoplasm discarded by developing spermatids?
Where are Leydig cells located?
A testicular biopsy shows polygonal endocrine cells between seminiferous tubules. Which cells are present?
Which hormone stimulates Leydig cells to secrete testosterone?
Which Sertoli-cell hormone inhibits FSH secretion?
Which germ cells lie closest to the basal lamina of seminiferous tubules?
Which process transforms spermatids into spermatozoa without further cell division?
What is the main supportive role of Sertoli cells?
Which Sertoli-cell product is involved in iron transfer to developing spermatogenic cells?
Which cells remain connected by intercellular bridges during spermatogenesis?
Which cells form the epithelial framework of seminiferous tubules?
Which germ cell undergoes the first meiotic division?
Which cells are located nearest the lumen of the seminiferous tubule?
Which cells are haploid and arise after meiosis I?
Which testicular structure contains a thick complex germinal epithelium?
What connects seminiferous tubules to the rete testis?