BIOL 373 - Unit 2 Exam Questions With Correct Answers.

BIOL 373 - Unit 2 Exam Questions With Correct
Answers

Meninges made up of 3 layers - CORRECT ANSWER✔✔-dura mater, arachnoid
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membrane, pia mater | |




Development of neural tube becomes - CORRECT ANSWER✔✔-CNS
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At 4 weeks we get - CORRECT ANSWER✔✔-Midbrain, Forebrain, Hindbrain
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At 6 weeks we get - CORRECT ANSWER✔✔-Midbrain, Forebrain (diencephalon
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and cerebrum), hindbrain (medulla, cerebellum, pons)
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neural crest cells give rise to - CORRECT ANSWER✔✔-peripheral nerves
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Highly folded structure also called cerebral cortex - CORRECT ANSWER✔✔-
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cerebrum


fluid between the meninges - CORRECT ANSWER✔✔-Cerebral spinal fluid (CSF)
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spinal cord central canal is filled with - CORRECT ANSWER✔✔-CSF
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Dura mater - CORRECT ANSWER✔✔-Outermost layer of the meninges
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, Arachnoid mater - CORRECT ANSWER✔✔-middle layer of the meninges
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Pia mater - CORRECT ANSWER✔✔-surface layer of meninges; follows every
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bend/fold in the brain | | |




subdural hematoma - CORRECT ANSWER✔✔-(torn cerebral brain) bleeding under
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the dura mater from arachnoid membrane tearing; common in elderly and
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shaking baby syndrome | |




spinal meninges - CORRECT ANSWER✔✔-dura mater, arachnoid mater, pia mater
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4 ventricles of the brain are - CORRECT ANSWER✔✔-2 lateral, third (deep), fourth
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(in brainstem); CSF in all ventricles
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What connects all the ventricles? - CORRECT ANSWER✔✔-Narrow ducts
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CSF secreted by - CORRECT ANSWER✔✔-choroid plexus
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Choroid plexus located in - CORRECT ANSWER✔✔-each ventricle
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What cells decide the composition of CSF? - CORRECT ANSWER✔✔-ependymal
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cells