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Question #45349
The Question
The Blood-Testis Barrier (BTB) is a critical physiological adaptation that prevents autoimmune orchitis. Based on the principles of autoimmunity and the chronology of gametogenesis, which of the following statements is INCORRECT?
Options
- A.
The Blood-Testis Barrier is formed by tight junctions between adjacent Sertoli cells, dividing the seminiferous epithelium into basal and adluminal compartments.
- B.
Spermatogonia are sequestered within the adluminal compartment of the seminiferous tubules to prevent the immune system from recognizing their diploid antigens.
- C.
Spermatids can trigger an inflammatory immune cascade if the BTB is breached, because they express neo-antigens that first appear during puberty.
- D.
Oogenesis avoids a similar autoimmune risk because primary oocytes are formed during embryonic development, allowing the establishment of central immune tolerance.
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Regulatory_Failure
Understand how NOT, EXCEPT, and logical constraints are used to manipulate exam results.
Concepts Behind This Question
Spermatogenesis vs. Oogenesis Chronology|Autoimmunity Principles
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Location Trap & Micro-Terminology.
Students often assume that all germ cells in the testis are hidden from the immune system.
The trap relies on failing to distinguish the exact anatomical location (basal vs adluminal compartment) and the specific developmental stage (diploid spermatogonia vs haploid spermatids) protected by the Blood-Testis Barrier.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Human Reproduction - Class 12 |
| Concept | Spermatogenesis vs. Oogenesis Chronology |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |