BIO 2300 UNIT 2 QUESTIONS WITH CORRECT ANSWERS

Sternohyoid


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Origin: Sternum
Insertion: Hyoid Bone




Superior/Inferior Vertebral Notch form


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Intervertebral Foramen




Sacral Hiatus

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formed by the opening of the distal end of the vertebral/sacral canal due
to the failure of S4-S5 spinous process to form




Meninges covering the Spinal Cord


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-Dura Mater (superficial)
-Arachnoid Mater
-Pia Mater (Deep)




Vertebral Arteries branch from


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Subclavian Artery




Efferent


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Fibers carry impulse away from the CNS "exits"




Ciliary Body

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-Consists of Ciliary Muscle (acts as the sphincter)
-Connected to the Lens by suspensory ligaments
-Controls shape of the Lens




Buccinator


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Insertion: Orbicularis Oris
Action: Compresses Cheek, holds food between teeth




Function of Nervous Tissue


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Presynaptic neuron axon goes to another neurons (postsynaptic) dendrites
and info is passed between synapses




Central Canal of the Spinal Cord


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Structure that allows CSF to flow inside of the Spinal Cord

, Somatic Efferent


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-Skeletal Muscle
-Anterior Horn of the Spinal Cord
-1 neiron connecting CNS-PNS




External Acoustic Meatus


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Canal within the skin




Omohyoid


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Origin: Scapula
Insertion: Hyoid Bone




Annulus Fibrosus


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