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BIOL 2320 Exam 4 QUESTIONS WITH ANSWERS, Exams of Biology

South Louisiana Community College (SLCC) - Evangeline Campus Biology

BIOL 2320 Exam 4 QUESTIONS WITH ANSWERS

Typology: Exams

2024/2025

Available from 07/09/2025

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BIOL |\2320 |\Exam |\4 |\QUESTIONS |\WITH |\

ANSWERS

Regions |\of |\brain |\development |\- |\CORRECT |\ANSWERS |\✔✔By |\the |\5th |\

five |\distinct |\regions:

hypothalamus, |\and |\epithalamus

between |\the |\diencephalon |\and |\the |\pons

4) |\Metencephalon, |\which |\eventually |\forms |\the |\pons |\and |\the |\

cerebellum, |\

Telencephalon |\- |\CORRECT |\ANSWERS |\✔✔(Greek |\for |\"head |\end"), |\

which |\eventually |\forms |\the |\cerebrum

Diencephalon |\- |\CORRECT |\ANSWERS |\✔✔(Greek |\for |\"through |\the |\

epithalamus. |\- |\During |\the |\embryonic |\and |\fetal |\periods, |\the |\

telencephalon |\grows |\rapidly |\and

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BIOL |\ 2320 |\Exam |\ 4 |\QUESTIONS |\WITH |\

ANSWERS

|\Mesencephalon, |\which |\eventually |\turns |\into |\the |\brainstem |
between |\the |\diencephalon |\and |\the |\pons
|\Metencephalon, |\which |\eventually |\forms |\the |\pons |\and |\the |
cerebellum, |\
|\Myelencephalon, |\eventually |\forms |\the |\medulla |\oblongata Telencephalon |- |\CORRECT |\ANSWERS |\✔✔(Greek |\for |"head |\end"), |
which |\eventually |\forms |\the |\cerebrum Diencephalon |- |\CORRECT |\ANSWERS |\✔✔(Greek |\for |"through |\the |
brain"), |\which |\eventually |\forms |\the |\thalamus, |\hypothalamus, |\and |
epithalamus. |- |\During |\the |\embryonic |\and |\fetal |\periods, |\the |
telencephalon |\grows |\rapidly |\and

(c) |\The |\posterior |\attachment |\site |\for |\the |\falx |\cerebri |\is |\the |\superior |
portion |\of |\the |\tentorium |\cerebelli. |
(d) |\Running |\within |\the |\margins |\of |\the |\falx |\cerebri |\are |\several |\dural |
venous |\sinuses. tentorium |\cerebelli |- |\CORRECT |\ANSWERS |\✔✔(Latin |\for |"tent" |\and |"little |\brain") |\is |\a |\horizontally |\oriented |\fold |\of |\dura |\mater |\that |
separates |\the |\occipital |\lobe |\and |\temporal |\lobes |\of |\the |\cerebrum |
from |\the |\cerebellum. |
(a) |\There |\is |\a |\dural |\venous |\sinus |\that |\runs |\within |\its |\posterior |
border. |
(b) |\The |\anterior |\surface |\of |\the |\tentorium |\cerebelli |\has |\a |\small |\gap |
or |\opening |\called |\the |"tentorial |\notch" |("tentorial |\incisure") |\to |\allow |
for |\the |\passage |\of |\the |\brainstem. know |\location tentorial |\notch |- |\CORRECT |\ANSWERS |\✔✔("tentorial |\incisure") |\small |
gap |\or |\opening |\in |\the |\anterior |\surface |\of |\the |\tentorium |\cerebelli |\to |\allow |\for |\the |\passage |\of |\the |\brainstem

|\The |\ventricles |\are |\contiguous |\with |\one |\another |\as |\well |\as |\the |
central |\canal |\of |\the spinal |\cord. Four |\brain |\ventricles: |\ 2 |\lateral |\ventricles, |\3rd |\ventricle |\and |\4th |
ventricle lateral |\ventricles |- |\CORRECT |\ANSWERS |\✔✔Two |\in |\the |\cerebrum |(the |\first |\is |\in |\the |\right |\cerebral |\hemisphere |\while |\the |\second |\is |\in |\the |
left |\cerebral |\hemisphere) |\and |\are |\separated |\by |\a |\thin |\medial |
partition |\called |\the |"septum |\pellucidum" |(Latin |\for |"transparent partition"). third |\ventricle |- |\CORRECT |\ANSWERS |\✔✔smaller |\chamber |\located |
within |\the |\diencephalon. |
(a) |\Each |\lateral |\ventricle |\communicates |\with |\the |\third |\ventricle

|\Usually |\only |\lipid-soluble |\compounds |\can |\diffuse |\across |\the |
capillary |\wall |\and into |\the |\fluids |\of |\the |\CNS |\to |\reach |\brain |\neurons NO |\blood-brain |\barrier |- |\CORRECT |\ANSWERS |\✔✔choroid |\plexi, |\so |
they |\have |\the |\necessary |\permeability |\to |\produce |\CSF. |
At |\the |\hypothalamus |\and |\the |\pineal |\gland, |\so |\these |\endocrine |
glands |\have |\access |\to |\the |\blood |\stream |\to |\directly |\release |\their |
hormones |\into |\the |\plasma. Cerebrum |- |\CORRECT |\ANSWERS |\✔✔aka |\Telecephalon.

|\Hearing |\
|\Interpreting |\speech |\and |\language |\
|\Smell occipital |\lobe |- |\CORRECT |\ANSWERS |\✔✔forms |\the |\posterior |\region |\of |\each |\hemisphere |\and |\immediately |\underlies |\the |\occipital |\bone. (a) |\This |\lobe |\is |\responsible |\for: |\
|\Processing |\incoming |\visual |\information |\
|\Storing |\visual |\memories insula |- |\CORRECT |\ANSWERS |\✔✔(Latin |\for |"island") |\is |\a |\small |\lobe |
that |\can |\be |\visualized |\by |\pulling |\aside |\the |\temporal |\lobe. |
(a) |\Its |\function |\is |\apparently |\involved |\in:
|\Memory |\
|\Interpretation |\of |\taste "remembers |\you |\and |\sticks |\it's |\tongue |\out |\at |\you" |"inside"

|\the |\principal |\and |\final |\relay |\point |\for |\all |\sensory |\information, |
except |\for |\the |\sense |\of |\smell |(olfaction), |\that |\will |\be |\processed |\and |
projected |\to |\the |\cerebral |\cortex. |(a) |\It |\filters |\out |\repetitive |\or |\non- essential |\sights |\and |\sounds |\and |\clues |\in |\the |\cerebrum |\where |\the |
sensory |\information |\came |\from. "tall-am-us" |\highest |\portion |\of |\brain |\stem hypothalamus |- |\CORRECT |\ANSWERS |\✔✔(Geek |\for |"under |\a |\bed") |\is |
the |\anteroinferior |\region |\of |\the |\diencephalon. |\
|\The |\thin, |\stalk-like |"infundibulum" |(Latin |\for |"funnel") |\extends |
inferiorly |\from |\the |\hypothalamus |\to |\the |\pituitary |\gland |(See |\Fig. |\on |
page |\462). |\
|\The |\hypothalamus |\has |\numerous |\functions |(just |\like |\there |\are |
many |\things |\under |\the |\bed) |\p. |\ 462 hypothalamus |\functions |- |\CORRECT |\ANSWERS |\✔✔(a) |\It |\is |\the |\master |\control |\of |\the |\autonomic |\nervous |\system. |\It |\projects |\descending |
axons |\to |\the |\inferior |\brain |\stem |\that |\influence |\heart |\rate, |\blood |
pressure, |\digestive |\activities, |\and |\respiration. |
(b) |\It |\is |\the |\master |\control |\of |\the |\endocrine |\system. |\The |
hypothalamus |\secretes |\hormones |\that |\control |\the |\secretory |
activities |\of |\the |\anterior |\pituitary |\gland. |\The |\hypothalamus |\also |\

BIOL 2320 Exam 4 QUESTIONS WITH ANSWERS, Exams of Biology

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BIOL |\ 2320 |\Exam |\ 4 |\QUESTIONS |\WITH |\

ANSWERS