Question

Which of the following statement is true regarding meningitis?

• A. Meningitis is caused by an infectious organism
• B. Meningitis is inflammation of layers protecting the brain
• C. Meningitis involves replacement of normal myelin sheaths of neurons by sclerotic tissue
• D. Both A and B

Answer 1

The correct option is D Both A and B

The human brain is well protected by the skull. Inside the skull, the brain is covered by cranial meninges(membranes) consisting of an outer layer called dura mater, a very thin middle layer called arachnoid and an inner layer (which is in contact with the brain tissue) called pia mater.
Meningitis the inflammation of membranes of the brain and spinal cord. It is caused by an infection. The infection is majorly due to infectious organisms like bacterial, viral or fungal. Bacterial meningitis is the most common form of meningitis. Its symptoms include a headache, fever, and stiff neck.
So, the corrrect option is 'Both A and B'.