Which structure contains the cell nucleus and the chemical machinery that keeps the neuron alive?

What is the long, thin fiber that transmits signals away from the soma to other neurons or muscles?

The insulating material that encases some axons and speeds up signal transmission is the:

Small knobs at the end of the axon that secrete chemicals called neurotransmitters are:

Which cells provide nourishment, remove waste products, and provide insulation for neurons?

The stable, negative charge of a neuron when it is inactive is called the:

What is the standard value of a neuron's resting potential?

A brief jump in a neuron's voltage that results in a spike of electrical activity is an:

The "All-or-nothing" law means that a neuron:

The minimum length of time after an action potential during which another signal cannot begin is the:

Neurons communicate with each other across a microscopic gap called the:

Chemicals that serve as messengers and activate neighboring neurons are called:

The process where neurotransmitters are reabsorbed into the presynaptic neuron is:

Which neurotransmitter is primarily associated with reward, pleasure, and voluntary movement?

Lowered levels of which neurotransmitter are most strongly linked to depressive disorders?

Which chemical is released by motor neurons to control skeletal muscles?

The "runner's high" experienced after a long run is triggered by the release of:

The Central Nervous System (CNS) consists of which two main structures?

Which part of the nervous system connects to voluntary skeletal muscles and sensory receptors?

The "fight-or-flight" response is triggered by which division of the Autonomic Nervous System?

Which hindbrain structure is responsible for vital functions like heart rate and breathing?

Which brain structure coordinates fine muscle movement and balance?

The "relay station" for all incoming sensory information except smell is the:

The structure that regulates biological needs such as hunger, thirst, and temperature is the:

In the case of S.M., damage to which brain structure resulted in a total lack of fear?

Which lobe of the brain is the primary visual cortex, responsible for processing sight?

The primary somatosensory cortex, which handles the sense of touch, is located in the:

Which lobe is primarily responsible for auditory processing and speech comprehension?

Higher-level cognitive skills like planning and reasoning are primarily located in the:

The bridge of fibers that connects the left and right cerebral hemispheres is the:

Which imaging method uses radioactive markers to map chemical activity in the brain over time?

The "master gland" of the endocrine system, which releases a variety of hormones, is the:

The term for the adult brain's ability to generate new neurons is:

A drug that mimics the action of a neurotransmitter is called an:

A drug that blocks or opposes the action of a neurotransmitter is an:

The minimum level of stimulation required to trigger a neural impulse is the:

Broca's area, responsible for speech production, is located in which lobe?

During the start of an action potential, which ions flow into the axon?

An automatic, involuntary response to a sensory stimulus, often processed by the spinal cord, is a:

Which of the following techniques is considered an "invasive" procedure and is largely limited to animal research?

Electrical stimulation of the brain (ESB) involves sending a weak electric current into a brain structure to:

Which imaging method is essentially a computer-enhanced X-ray of brain structure?

If a researcher wants to map out brain structure using magnetic fields and radio waves, which tool would they use?

Which technique uses radioactive markers to map chemical activity in the brain over time?

Functional magnetic resonance imaging (fMRI) identifies areas of high activity by monitoring:

If you only need a 2D image of brain structure, a ________ is often sufficient, whereas a ________ provides a more detailed 3D image.

Which research goal focuses more on brain activity than just brain structure?

The main difference between MRI and fMRI is that fMRI provides information about:

A researcher who intentionally destroys a small piece of an animal's brain to see how it affects behavior is using: