Which of the Following is Called the Acid-Fast Bacillus

Question

Which of the following is called the acid-fast bacillus?
A) Staphylococcus aureus
B) Salmonella typhi
C) Mycobacterium tuberculosis
D) Clostridium tetani

Accepted Answer

Acid-fast bacilli refer to bacteria that have a waxy cell wall that prevents them from being easily stained with traditional Gram stains. Mycobacterium tuberculosis is a well-known example of an acid-fast bacillus, while the other options are not.