The blood-brain barrier functions toMultiple Choiceregulate the synapses between the brain and the blood.serve as an open passage between the blood and CSF surrounding the brain.regulate the movement of materials from the blood to the brain.increase blood pressure in the cranium when needed.

The blood-brain barrieruses chemical signals to communicate with the spinal cord.provides support to the brain tissue.tightly regulates the intracellular environment of the CNS.is formed by oligodendrocytes.filters the entry of solutes from the blood into the cerebrospinal fluid.SubmitRequest Answer

Which of the following components is the most important contributor to the barrier properties of the blood-brain barrier?Group of answer choicesbinding proteins in the bloodpericytes around blood vesselsastrocyte end-feet encircling blood vesselstight junctions between endothelial cells in blood vesselsthe presence of transporters for some substances in endothelial cells of blood vessels PreviousNext

The ______cells play a role in the establishment of a blood-brainchemical barrier.Group of answer choices

Functions of astrocytes include all of the following, except conducting action potentials forming a three-dimensional framework for the CNS guiding neuron development maintaining the blood-brain barrier responding to neural tissue damage

Question 21 ptsWhich of the following statements is CORRECT regarding the blood-brain barrier?Group of answer choicesmicroglial cells help the endothelial cells to form the blood-brain barrierpericytes form tight junctions between endothelial cells in blood vesselsbrain capillaries lack fenestrations and have high pinocytosistight junctions open and close to control the passage of material through the intercellular spacesthe vascular basement membrane contributes to the integrity of the blood-brain barrier