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1. Which brain structure coordinates voluntary movement and balance? A. Cerebellum B. Hippocampus C. Thalamus D. Amygdala 2. The "fight or flight" response is activated by the: A. Sympathetic division B. Somatic division C. Parasympathetic division D. Central nervous system 3. The endocrine system communicates via: A. Hormones B. Electrical impulses C. Neurotransmitters D. Action potentials 4. Which neuroimaging tool tracks brain activity through changes in blood flow? A. CT B. MRI C. fMRI D. EEG 5. The corpus callosum connects the: A. Left and right cerebral hemispheres B. Brain and spinal cord C. Frontal and occipital lobes D. Cerebellum and brainstem