6. The cells that help to form the blood-brain-barrier are known as a. Schwann c
ID: 214618 • Letter: 6
Question
6. The cells that help to form the blood-brain-barrier are known as a. Schwann cells b. Ependymal cells c. Purkinje cells d. Oligodendrocytes Astrocytes 7. The pia tissue that anchors the lateral portion of most of the spinal cord to the dura is the a. Denticulate ligament b. Filum terminale c. Cauda equine d. Conus medullaris e. Dura mater The groove that separates each temporal lobe from the lower portion of the frontal and parietal lobes is known as the 8. a) Vertical fissure b) Transverse fissure c) Longitudinal fissure d) Central fissure e) Lateral fissure 9. The brainstem consists of the a) Midbrain, pons, medulla b) cerebrum, pons, medulla c) Cerebellum, medulla, pons d) All of the above e) None of the above 10. Centers for vomiting, coughing, and sneezing are located in the a) Midbrain b) Pons c) Medulla d) Thalamus e) All of the above 11. Sensory taste sensation is perceived in the posterior one-third of the tongue via a) Vagus nerve b) Spinal accessory nerve c) Glossopharyngeal nerve d) Hypoglossal nerveExplanation / Answer
6) The correct option is e. Astrocyte.
Various components make up the blood-brain barrier such as pericytes, astrocyte end feet and a basement membrane made from structural proteins .
7) The correct option is a. Denticulate ligament.
The delicate pia mater is tightly connected with the surface of the spinal cord. The cord is stabilized within the dura mater by the connecting denticulate ligaments.
8) The correct option is e.lateral fissure.
Lateral fissure curves along with the side of each hemisphere and separates the temporal lobe from the frontal & parietal lobes.
9) The correct option is a. Midbrain, pons, medulla.
The brain stem consists of the midbrain, pons and medulla oblongata. It controls the flow of messages between the brain and the rest of the body and different functions such as breathing, swallowing, heart rate and blood pressure.
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