BIOS 252 COMP EXAM SCRIPT VERIFIED
QUESTIONS WITH ACCURATE ANSWERS
●● Meninges
Answer: Three protective membranes covering the brain and spinal cord
●● Dura mater
Answer: Outer most layer and thickest of the meninges
●● Arachnoid mater
Answer: Middle layer of the meninges
●● Sub-arachnoid space
Answer: Filled with CSF (cerebrospinal fluid)
●● Pia mater
Answer: Deepest layer of the meninges, on the surface of the brain
●● Anterior horn
Answer: Contains motor neurons
●● Posterior/Dorsal horn
, Answer: Contains sensory neurons
●● Lateral horn
Answer: Contains autonomic neurons
●● Ascending tracts
Answer: Sensory (afferent) information going from body to cord to brain
●● Spinothalamic tract
Answer: Transmits touch, pressure, pain and temperature sensations
●● Spinocerebellar tract
Answer: Transmits posture, balance, coordination information
●● Spinoreticular tract
Answer: Transmits pain and arousal information
●● Descending tracts
Answer: Motor (efferent) information going from brain to muscles
●● Corticospinal tract
Answer: Transmits motor information
QUESTIONS WITH ACCURATE ANSWERS
●● Meninges
Answer: Three protective membranes covering the brain and spinal cord
●● Dura mater
Answer: Outer most layer and thickest of the meninges
●● Arachnoid mater
Answer: Middle layer of the meninges
●● Sub-arachnoid space
Answer: Filled with CSF (cerebrospinal fluid)
●● Pia mater
Answer: Deepest layer of the meninges, on the surface of the brain
●● Anterior horn
Answer: Contains motor neurons
●● Posterior/Dorsal horn
, Answer: Contains sensory neurons
●● Lateral horn
Answer: Contains autonomic neurons
●● Ascending tracts
Answer: Sensory (afferent) information going from body to cord to brain
●● Spinothalamic tract
Answer: Transmits touch, pressure, pain and temperature sensations
●● Spinocerebellar tract
Answer: Transmits posture, balance, coordination information
●● Spinoreticular tract
Answer: Transmits pain and arousal information
●● Descending tracts
Answer: Motor (efferent) information going from brain to muscles
●● Corticospinal tract
Answer: Transmits motor information