Module 8: The Brain Exam Questions With 100% complete Solutions
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Module 8: The Brain
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Module 8: The Brain
Human brain size - ANSWER-volume: cc
weight: 1.35-1.4kg (3lbs)
Major Regions of Human Brain - ANSWER-Cerebrum; Diencephalon; Brainstem; Cerebellum
Rostral - ANSWER-toward the nose (synonymous with anterior)
Caudal - ANSWER-toward the tail (synonymous with posterior)
3 primary brain ves...
Module 8: The Brain Exam Questions
With 100% complete Solutions
Human brain size - ANSWER-volume: 1200-1500cc
weight: 1.35-1.4kg (3lbs)
Major Regions of Human Brain - ANSWER-Cerebrum; Diencephalon; Brainstem;
Cerebellum
Rostral - ANSWER-toward the nose (synonymous with anterior)
Caudal - ANSWER-toward the tail (synonymous with posterior)
3 primary brain vesicles - ANSWER-by the late 4th week of development.
Prosencephalon (forebrain); Mesencephalon (midbrain); Rhombencephalon (hindbrain)
5 secondary brain vesicles - ANSWER-by the fifth week the 3 vesicles develop into 5
secondary brain vesicles; Telencephalon, Diencephalon, Mesencephalon,
Metencephalon, Myelencephalon
Telencephalon - ANSWER-arises from prosencephalon, eventually forms the cerebrum
Diencephalon - ANSWER-derives from prosencephalon, eventually forms the thalamus,
hypothalamus and epithalamus
Mesencephalon - ANSWER-only primary vesicle that does not form a new secondary
vesicle
, Metencephalon - ANSWER-arises from rhombencephalon, eventually forms the pons
and cerebellum
Myelencephalon - ANSWER-derives from rhombencephalon, eventually forms medulla
oblongata
Gray matter - ANSWER-houses motor neuron and interneuron cell bodies, dendrites,
telodendria, unmyelinated axons; forms the cortex, which covers the surface of most of
the adult brain;
Cerebral - ANSWER-forms discrete internal clusters in the gray matter
White Matter - ANSWER-made up of myelinated axons; lies deep to the gray matter of
the cortex
Craneal Meninges - ANSWER-connective tissue layers that- separate soft tissue of the
brain from bones of cranium; enclose and protect blood vessels that supply the brain;
contain and circulate cerebrospinal fluid; form some of the veins that drain blood from
the brain
layers of Craneal Meninges - ANSWER-dura mater; arachnoid mater; pia mater
Cerebrum - ANSWER-location of conscious thought processes and the origin of
intellectual functions; contains a large number of neurons that are needed for complex
analytical and integrative functions
Fissures - ANSWER-shallow sulci or deep grooves
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