Meningitis

question 69

Multiple Choice

Meningitis

• A) results when a virus or bacterium crosses the blood-brain barrier.
• B) is not usually fatal.
• C) results when cerebrospinal fluid seeps out of the meninges.
• D) occurs when white matter mixes with gray matter.
• E) includes all of these characteristics.

---

Definitions:

Myocardium

The myocardium is the thick, muscular middle layer of the heart wall, responsible for contracting and pumping blood throughout the body.

Epicardium

The outermost layer of the heart wall, forming part of the heart's protective covering and contributing to the heart's lubrication system.

Endocardium

The innermost layer of tissue that lines the chambers of the heart.

Chambers

Spaces within an organ or a device; in the context of the heart, refers to the four cavities (two atria and two ventricles) responsible for pumping blood.