Hawaii Massage License Practice Exam

Which statement is true regarding the function of the choroid plexus?

1. It is responsible for producing hormones

2. It filters blood for nutrients

3. It produces cerebrospinal fluid

4. It supports muscle contraction

The correct answer is: It produces cerebrospinal fluid

The choroid plexus is a network of cells located in the ventricles of the brain that functions primarily to produce cerebrospinal fluid (CSF). This fluid plays a crucial role in protecting the brain and spinal cord, providing a cushioning effect, and maintaining intracranial pressure. Additionally, cerebrospinal fluid helps in the exchange of nutrients and waste products between the brain and the bloodstream. The process begins in the choroid plexus, where blood is filtered to create this essential fluid. After its production, CSF circulates through the central nervous system, highlighting the critical function of the choroid plexus in maintaining the overall health and stability of neural tissues. Thus, recognizing the unique role of the choroid plexus in producing cerebrospinal fluid underscores its importance in both anatomy and physiology, particularly within the neurological systems.