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B
Kala-azar
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C
Tetanus
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D
Diphtheria
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Solution
The correct option is B Tetanus
Tetanus, also known as lockjaw is a
bacterial infection caused by Clostridium tetani, which is
commonly found in soil, saliva, dust or manure. The bacteria
generally enter from the soil through a break in the skin such as a
cut or puncture wound. They produce toxins that interfere with normal
muscle contractions resulting in muscle spasms.
It's also
called lockjaw because the infection often causes muscle
contractions in the jaw and neck. Hence "Lockjaw" is
another name of tetanus. So, the correct answer is
'Tetanus'.