Unit 2 Vocab Quiz - Bio (X-DAY)

What is an electrical charge that travels down an axon and is generated by the movement of positively charged ions?

• resting potential

• threshold

• action potential

• synapse

What is an amplified recording of the waves of electrical activity that sweeps across the brain's surface, measured by electrodes on the scalp?

• fMRI

• EEG

• PET

• MRI

What are the central nervous system neurons that internally communicate and intervene between the sensory inputs and motor outputs?

• association areas

• sensory neurons

• motor neurons

• interneurons

What is the division of the autonomic nervous system that calms the body, conserving its energy?

• Peripheral Nervous System

• Somatic Nervous System

• Parasympathetic Nervous System

• Sympathetic Nervous System

What is a nerve network in the brainstem that plays an important role in controlling arousal?

• medulla

• reticular formation

• thalamus

• cerebellum

What is the part of the brain that is responsible for understanding and comprehending language?

• cerebral cortex

• amygdala

• Broca's Area

• Wernicke's Area

What is the neurotransmitter's reabsorption process by the sending neuron?

• synaptic gap

• all-or-none-response

• reuptake

• action potential

What is the technique for revealing blood flow and brain activity by showing brain function?

• fMRI

• MRI

• PET

• EEG

What is the body's "slow" chemical communication system that secrets hormones into the bloodstream?

• central nervous system

• endocrine system

• peripheral nervous system

• limbic system

Which of the following is the brain part that is a large band of neural fibers connecting the two brain hemispheres and carries the messages between them?

• cerebral cortex

• corpus callosum

• medulla

• cerebellum