The Function of the Blood-Brain Barrier Is to

question 27

Multiple Choice

The function of the blood-brain barrier is to

• A) keep neurons from innervating blood vessels.
• B) provide an impenetrable barrier between blood and brain, because the brain gets all its nourishment from the cerebrospinal fluid.
• C) prevent all contact between bloodborne molecules and brain tissue.
• D) help protect the central nervous system.

---

Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is believed to contain the true population parameter with a specified level of confidence.

Confidence Interval

A breadth of values, taken from statistical examination of a sample, that aims to envelop the value of an unrevealed population trait.

Standard Deviation

Standard deviation is a measure of the amount of variation or dispersion in a set of values, indicating how much the individual data points diverge from the mean value.

Sample Mean

The average value calculated from a subset of a population.