Which of the following statements regarding the brain is true?
A)Ventricles in the brain are filled with interstitial fluid.
B)The blood-brain barrier helps to maintain a stable chemical environment for the brain.
C)Layers of connective tissue, called epithelium, surround and protect the brain and spinal cord.
D)White matter is mainly dendrites.

Question

Quizplus · Accepted Answer

The blood-brain barrier is a specialized system of capillary endothelial cells that helps maintain a stable chemical environment in the brain by selectively allowing certain substances to pass through while restricting others.

Answer: A
 The ventricles in the brain are a system of cavities filled with cerebrospinal fluid, not interstitial fluid.

Answer: C
 The layers of connective tissue that surround and protect the brain and spinal cord are called meninges, not epithelium.

Answer: D
 White matter is mainly composed of myelinated axons, not dendrites.

Which of the Following Statements Regarding the Brain Is True