Which of the following organisms causes tuberculosis?

Rationale

Mycobacterium causes tuberculosis.

Mycobacterium tuberculosis is the bacterium responsible for causing tuberculosis (TB) in humans. This organism is known for its thick, waxy cell wall, which contributes to its virulence and ability to evade the host's immune response.

A (Candida) YOUR ANSWER

Candida refers to a genus of yeast, primarily known for causing fungal infections such as candidiasis, not bacterial infections like tuberculosis. It typically affects mucosal surfaces and can lead to systemic infections in immunocompromised individuals, but it does not cause TB.

B (Escherichia) YOUR ANSWER

Escherichia, particularly Escherichia coli, is a type of bacteria commonly found in the intestines. While some strains can cause foodborne illnesses and urinary tract infections, they are not associated with tuberculosis, which is specifically caused by Mycobacterium.

C (Mycobacterium) CORRECT

As previously mentioned, Mycobacterium, specifically Mycobacterium tuberculosis, is the causative agent of tuberculosis. It is characterized by its slow growth and resistance to many conventional antibiotics, making it a significant public health concern worldwide.

D (Staphylococcus) YOUR ANSWER

Staphylococcus is a genus of bacteria that includes Staphylococcus aureus, which is known for causing skin infections, pneumonia, and other conditions. However, it is not linked to tuberculosis, which is exclusively caused by Mycobacterium species.

E (Streptococcus) YOUR ANSWER

Streptococcus is another genus of bacteria that can cause a variety of infections, including strep throat and pneumonia. Like Staphylococcus, it is not responsible for tuberculosis, which is related to Mycobacterium.

Conclusion

The causative organism for tuberculosis is Mycobacterium tuberculosis, distinguishing it from other bacteria and fungi that cause different infections. Understanding the specific pathogens responsible for diseases is critical for effective diagnosis and treatment, and Mycobacterium's unique properties highlight the challenges in managing tuberculosis infections.

Which of the following organisms causes tuberculosis?

Mycobacterium causes tuberculosis.

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