**Core Concept**
The question is testing the ability to identify a rapid diagnostic method for tuberculosis (TB). The core concept here is the detection of Mycobacterium tuberculosis, the causative agent of TB. This involves understanding the different methods used for diagnosing TB, particularly those that provide rapid results.

**Why the Correct Answer is Right**
The correct answer is **Cartridge-Based Nucleic Acid Amplification Test (CB-NAAT)**. This is a molecular diagnostic technique that uses a cartridge-based system to amplify and detect the DNA of M. tuberculosis. CB-NAAT is a rapid method, providing results in about 2 hours, and is highly sensitive and specific. It works by using a combination of primers and probes to amplify specific DNA sequences of M. tuberculosis, which are then detected using fluorescence.

**Why Each Wrong Option is Incorrect**
**Option A:** _Ziehl-Neelsen staining_ is a traditional method for detecting acid-fast bacilli, including M. tuberculosis. However, it requires a laboratory setting and can take several hours to perform, making it less rapid than CB-NAAT.
**Option B:** _Culture_ is the gold standard for diagnosing TB, but it takes several weeks to obtain results, making it unsuitable for rapid examination.
**Option C:** _Interferon-gamma release assays (IGRAs)_ are serological tests that detect the presence of antibodies against M. tuberculosis. While they are useful for screening, they are not as rapid as CB-NAAT and require a laboratory setting.

**Clinical Pearl / High-Yield Fact**
CB-NAAT is a valuable tool for diagnosing TB, especially in patients with a high clinical suspicion but negative sputum smear microscopy results. It can also be used to detect drug-resistant TB strains.

**Correct Answer:** C. Cartridge-Based Nucleic Acid Amplification Test (CB-NAAT).