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SLCC 2325 Anatomy Lab FINAL Exam Questions with Correct Answers
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Neuron - Answer-*Nerve cell* -Soma (cell body) -Dendrites -Axon -Myelin Sheath -Neurolemmocytes (Schwann cells) -Axon Terminal boutons -Nissl bodies Brain Structures - Answer-1. Cerebrum (two hemispheres) 2. Diencephalon (thalamus and hypothalamus) 3. Cerebellum 4. Brainstem (midbrain...

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  • October 15, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
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  • slcc 2325 anatomy lab final exam questions with co
  • neuron answer nerve cell soma cell body

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SLCC 2325 Anatomy Lab FINAL Exam
Questions with Correct Answers
Neuron - Answer-*Nerve cell*
-Soma (cell body)
-Dendrites
-Axon
-Myelin Sheath
-Neurolemmocytes (Schwann cells)
-Axon Terminal boutons
-Nissl bodies

Brain Structures - Answer-1. Cerebrum (two hemispheres)
2. Diencephalon (thalamus and hypothalamus)
3. Cerebellum
4. Brainstem (midbrain, pons, and medulla oblongata)

Cerebrum - Answer--Gyri, Sulci, White/Grey Matter
-Longitudinal fissure
-Corpus Callosum (joins L/R hemispheres)
-Precentral gyrus
-Central sulcus
-Postcentral gyrus
-Parieto-occipital sulcus
-Lateral Sulcus
-Fornix
-Septum Pellucidum
-Cerebral nuclei
-Lateral Ventricles

Diencephalon - Answer-*Epithalamus*
-Pineal Gland
*Thalamus*
-interthalamic adhesion
*Hypothalamus*
-mammillary body
-infundibulum

Pituitary gland
Optic chiasm
Optic tracts
Third Ventricle

Cerebellum - Answer-Cerebellar hemispheres

,Vermis
Arbor vitae

Brainstem - Answer-*Midbrain/Mesencephalon*
-corpora quadrigemina (tectal plate)
-superior colliculus (pl. colliculi)
-inferior colliculus (pl. colliculi)
-cerebral peduncles

*Pons*
*Medulla Oblongata*
Cerebral aqueduct
Fourth ventricle

Venous sinuses - Answer-1. Superior saggital sinus - Drains blood from superior portion
of the brain
2. Inferior saggital sinus - Drains blood from inferior portion of the brain
3. Transverse sinus
4. Straight sinus

Tentorium Cerebelli - Answer-Separates cerebellum from cerebrum
Mostly transverse

Falx Cerebri - Answer-Separates hemispheres of brain (midsaggital)
Have outflow of blood - venous sinuses

Dural Septa - Answer-Dura Mater separations
(made of meningeal layer)
1. Falx Cerebri
2. Tentorium Cerebelli
3. Falx Cerebelli

Corpus Callosum - Answer-The large band of neural fibers connecting the two brain
hemispheres and carrying messages between them.

Cerebral Nuclei - Answer-1. Caudated nucleus - Main structure of basal ganglia
2. Amygdaloid body - important role in linking emotions with specific memories, in limbic
system
3. Putamen - helps regulate movement
4. Globus pallidus - helps regulate subconscious movement
5. Claustrum - A slender mass of grey matter

Meninges - Answer-Contains CSF & blood vessels
*3 Layers of tissue between brain & bone*
1. Dura Mater
2. Arachnoid Mater

, 3. Pia Mater

Ventricles - Answer-CSF-filled spaces in the brain
2 Lateral, 3rd, 4th ventricles
-Intraventricular foramena
-Cerebral aqueduct
-Septum pellucidum

Cranial nerve (name, function, foramina) - Answer-1. O- Olfactory, Smell, *Cribriform
plate*
2. O- Optic, Vision, *Optic canal*
3. O- Oculomotor, 4 eye muscles, *Superior Orbital fissure*
4. T- Trochlear, Innervate / Move eye inferior & lateral, *Superior Orbital fissure*
5. T- Trigeminal, Innervate mastication muscles,
-Opthalmic, *Foramen Ovale*
-Maxillary, *Foramen Rotundum*
-Mandibular, *Foramen Spinosum*
6. A- Abducens, lateral rectus eye abduction, *Superior orbital fissure*
7. F - Facial, taste anterior 2/3 tongue, glands, facial expressions, *Internal Acoustic
Meatus*
8. V - Vestibulocochelar, Hearing & equilibrium, *Internal Acoustic Meatus*
9. G - Glossopharyngeal, Posterior 1/3 taste on tongue, parotid gland, *Jugular
foramen*
10. V - Vagus, Innervates smooth muscle, cardiac, pharynx & larynx motor, *Jugular
foramen*
11. A - Accessory, Sternocleidomastioid & trapezius muscle control, *Jugular foramen*
12. H - Hypoglossal, Innervates tongue, *Hypoglossal canal*

Spinal cord / nerves - Answer-*Gray matter inside*
- posterior (dorsal) horns
-gray commissure
-lateral horns
-anterior (ventral) horns
*White matter outside (opposite of brain)*
-Motor nerves
-Sensory nerves
-posterior white columns (funiculus)
-anterior white columns (funiculus)
-lateral white columns (funiculus)

-cervical enlargement
-thoracic region of the spinal cord
-lumbar enlargement (or lumbosacral enlargement)
-conus medullaris
-cauda equina
-filum terminale

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