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HKIN 191 Lab Midterm: The Brain and Spinal Cord Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
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HKIN 191 Lab Midterm: The Brain and Spinal Cord Exam | Questions And Answers Latest {} A+ Graded | 100% Verified

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  • August 22, 2024
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HKIN 191 Lab Midterm: The Brain and Spinal Cord Exam | Questions And Answers
Latest {2024- 2025} A+ Graded | 100% Verified


Major Divisions of the Brain - Brain stem, cerebellum, cerebrum, diencephalon.



Divisions of the Brain Stem - Medulla, pons, midbrain.



Function of the Brain Stem - To relay sensory input up and motor output down.



Cerebellum - Compares intended movements with actual to attempt to execute coordinated, skillful
movements.



Divisions of the Diencephalon - Thalamus, hypothalamus, epithalamus.



Thalamus - Relays almost all of the sensory input to cerebral cortex.



Hypothalamus - Essential for endocrine system.



Epithalamus - Pineal gland secretes melatonin.



Cerebrum - -Motor cortex controls movement.

-Sensory cortex percieves sensations.

-Center for memory, personality, and intelligence.



Protective Coverings and Spaces of the Brain (Cranial Meninges) - Dura mater, subdural space, arachnoid
mater, subarachnoid space, pia mater.



Dura Mater - -Outer covering.

-Dense connective tissue.

-Strong.

, Subdural Space - Contains interstitial fluid.



Arachnoid Mater - -Middle layer.

-"Spider web" extensions.



Subarachnoid Space - Contains CSF.



Pia Mater - -Inner layer.

-Directly adheres to brain.



Ventricles of the Brain - Lateral ventricles, third ventricle, fourth ventricle.



Septum Pellucidum - Separates lateral ventricles.



Choroid Plexus - -Produces CSF.

-Networks of blood capillaries in the walls of the ventricles.



Flow of CSF - Choroid plexus -> Lateral ventricles -> Third ventricle -> Aqueduct of the midbrain -> Fourth
ventricle.



Divisions of the Cerebrum - Cerebral hemispheres, cerebral lobes, longitudinal fissure, central sulcus,
postcentral gyrus, precentral gyrus, cerebral cortex, cerebral white matter.



Cerebral Hemispheres - Right (arts) and left (sciences).



Cerebral Lobes - Frontal, parietal, temporal, occipital.



Longitudinal Fissure - Separates cerebral hemispheres.

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