DISCOVERING PSYCHOLOGY: THE
SCIENCE OF MIND CHAPTER 4 PT. 1
EXAM QUESTIONS AND ANSWERS
2026/2027
biological psychology - Answersthe interdisciplinary field of study that combines the
methods and theories of psychology with those of biology, physiology, biochemistry, the
neurosciences, and other related fields
neuron - Answersa cell of the nervous system that is specialized for sending and
receiving neural messages
cell body - Answersthe large, central mass of a neuron, containing the nucleus
synapse - Answersa point of communication btwn two neurons
neurotransmitter - Answersa chemical messenger that communicates across a synapse
myelin - Answersthe insulating material covering some axons
action potential - Answersthe electrical signal arising in a neuron's axon
resting potential - Answersthe measure of the electrical charge across a neural
membrane when the neuron is not processing information
receptor - Answersa special channel in the membrane of a neuron that interacts with
neurotransmitters released by other neurons
reuptake - Answersa process in which molecules of neurotransmitter in the synaptic gap
are returned to the axon terminal from which they were released
axon - Answersthe branch of a neuron that is usually responsible for transmitting
information to other neurons
dendrite - Answersa branch from the neural cell body that usually receives input from
other neurons
SCIENCE OF MIND CHAPTER 4 PT. 1
EXAM QUESTIONS AND ANSWERS
2026/2027
biological psychology - Answersthe interdisciplinary field of study that combines the
methods and theories of psychology with those of biology, physiology, biochemistry, the
neurosciences, and other related fields
neuron - Answersa cell of the nervous system that is specialized for sending and
receiving neural messages
cell body - Answersthe large, central mass of a neuron, containing the nucleus
synapse - Answersa point of communication btwn two neurons
neurotransmitter - Answersa chemical messenger that communicates across a synapse
myelin - Answersthe insulating material covering some axons
action potential - Answersthe electrical signal arising in a neuron's axon
resting potential - Answersthe measure of the electrical charge across a neural
membrane when the neuron is not processing information
receptor - Answersa special channel in the membrane of a neuron that interacts with
neurotransmitters released by other neurons
reuptake - Answersa process in which molecules of neurotransmitter in the synaptic gap
are returned to the axon terminal from which they were released
axon - Answersthe branch of a neuron that is usually responsible for transmitting
information to other neurons
dendrite - Answersa branch from the neural cell body that usually receives input from
other neurons
