BIO 201 EXAM 4 WITH ALL
QUESTIONS AND ANSWERS
Question : Rostral
CORRECT ANSWER : toward the nose
Question : Caudal
CORRECT ANSWER : toward the tail
Question : Major portions of the brain
CORRECT ANSWER : Brain stem, Cerebrum, cerebellum
Question : Cerebrum is ___% of brain volume
CORRECT ANSWER : 83
Question : Cerebellum contains ___% of the neurons
CORRECT ANSWER : 50
Question : The brain weighs ___ pounds
CORRECT ANSWER : 3.5
Question : Longitudinal Fissure
CORRECT ANSWER : separates 2 cerebral hemispheres
(left/right)
Question : Central Sulcus
CORRECT ANSWER : Separates frontal & parietal lobe
Question : Gyri
CORRECT ANSWER : folds
Question : Sulci
CORRECT ANSWER : grooves
Question : cortex
CORRECT ANSWER : surface layer of gray matter
Question : nuclei
CORRECT ANSWER : deeper masses of gray matter
Question : tracts
CORRECT ANSWER : bundles of axons
Question : gray matter
CORRECT ANSWER : neuron cell bodies, dendrites &
synapses-forms cortex over cerebrum & cerebellum-forms nuclei deep with in brain
Question : white matter
CORRECT ANSWER : bundles of axons-forms tracts that
connect parts of the brain
Question : Meninges
CORRECT ANSWER : Dura Mater, arachnoid mater, pia
mater
Question : Dura mater
CORRECT ANSWER : outermost, tough membrane-outer
periosteal layer against bone-inner meningeal layer-subdural space (below dura mater)-where separated from inner meningeal layer forms dural venous sinusesdraining blood from brain
Question : supportive structures formed by dura mater
CORRECT ANSWER : falx cerebri, falx cerebelli &
tentorium cerebelli
Question : Arachnoid mater
CORRECT ANSWER : spider web filamentous layer
Question : Pia mater
CORRECT ANSWER : a thin vascular layer adherent to
contours of brain
Question : Meningitis
CORRECT ANSWER : Inflammation of the meninges-
bacterial & virus invasion of the CNS by way of the nose &