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2nd aortic arch.

What three muscles close the jaw?

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A 55 yr. old man enters the emergency room after sudden onset of excruciating pain in his chest that radiates down the medial aspect of his left arm ? classic symptoms for a heart attack. Explain why the man feels pain in his left arm. What nerves would the pain fibers travel in?

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Golgi tendon organs send their signal via what nerve?

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What are 4 types of cells into which T cells differentiate?

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Is the septal area part of the limbic system?

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What is the vertebral level of the sternomanubrial junction (angle of Louis)?

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Neurons from the striatum have what action on the globus pallidus?

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Describe the location of the lymph node paracortex?

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What is the primary source of energy for erythrocytes?

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Does the dorsal root ganglion arise from neural crest (ectoderm), mesoderm, or endoderm?

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What three things does the 1st pharyngeal pouch develop into?

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What part of the heart does the LAD supply?

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