Complete Test Bank Biological Science 7th Edition
Freeman Questions & Answers with rationales All
Chapters Graded A+ 2025/2026
________________________________________________________________________________________________________
A hemispherectomy involves the removal of the ______ of the brain.
a. frontal lobes c. right or left half
b. limbic system d. top half
c. right or left half
In the brain, "plasticity" refers to the brain's ability to ______.
a. change its shape with the changing shape of the skull as a child grows.
b. adapt to new environmental conditions
c. grow new neural connections to permanently store memories of learned information
d. recognize the difference between what is real and what isn't
b. adapt to new environmental conditions
The area of psychology that focuses on the biological foundations of behavior and mental processes is called ______.
a. psychobiology c. forensic psychology
b. health psychology d. environmental psychology
a. psychobiology
The study of the brain and the nervous system is known as ______.
a. psychobiology c. neuropsychology
b. endocrinology d. neuroscience
d. neuroscience
Psychologists who study the brain's influence on behavior are called ______.
a. neuropsychologists c. experimental psychologists
b. evolutionary psychologists d. personality psychologists
a. neuropsychologists
.The nervous system is one of the body's two ______.
a. coordinating and integrating systems
b. autonomic mechanisms
c. reflex controls
d. limbic systems
a. coordinating and integrating systems
The endocrine system is one of the body's two ______.
a. limbic systems
b. autonomic mechanisms
c. reflex controls
d. coordinating and integrating systems
d. coordinating and integrating systems
1|Page
,.The system that relays messages in the form of electrochemical impulses throughout the body is called ______.
a. the arousal system c. the limbic system
b. the nervous system d. the endocrine system
b. the nervous system
The system which coordinates and integrates behavior by secreting chemicals into the bloodstream is called ______.
a. the somatic system c. the limbic system
b. the autonomic system d. the endocrine system
d. the endocrine system
The 1990s was called the decade of ______.
a. behavior c. the brain
b. the mind d. the person
c. the brain
The smallest unit in the nervous system is the ______.
a. dendrite c. axon
b. neuron d. nerve
b. neuron
The cell which underlies the activity of the entire nervous system is the ______.
a. glial cell c. neuron
b. epidermal cell d. T-cell
c. neuron
There are approximately ______ neurons in the brain of an average human being.
a. 100 thousand c. 100 billion
b. 100 million d. 100 trillion
c. 100 billion
.The part of a neuron which contains the nucleus and the largest amount of mass in the cell is the ______.
a. axon c. cell membrane
b. dendrite d. cell body
b. dendrite
The short fibers which extend from the neuron, allowing it to receive messages from other neurons are ______.
a. axons c. nerve bundles
b. dendrites d. synapses
b. dendrites
The part of the neuron that carries outgoing messages either to another neuron or to a muscle or gland is the ______.
a. myelin sheath c. dendrite
b. axon d. cell body
b. axon
Axons in the spinal cord can reach a length of up to ______ feet.
a. 2 c. 4
b. 3 d. 5
2|Page
, b. 3
A group of axons bundled together is called a ______.
a. synaptic vesicle c. nerve
b. primary cluster d. myelinated pathway
c. nerve
A group of axons bundled together is called a ______.
a. synaptic vesicle c. tract
b. primary cluster d. myelinated pathway
c. tract
A nerve is a group of ______ bundled together.
a. axons c. interneurons
b. dendrites d. glial cells
a. axons
Each neuron has ______ axon(s).
a. one c. four
b. two d. eight
a. one
Neurons typically have ______.
a. one axon and one dendrite c. many axons and one dendrite
b. one axon and many dendrites d. many axons and many dendrites
b. one axon and many dendrites
The white, fatty covering that surrounds some axons is ______.
a. the cell membrane c. the synaptic cleft
b. glial tissue d. the myelin sheath
d. the myelin sheath
The primary purpose of the myelin sheath is to ______.
a. provide a place for neural respiration and cell metabolism to occur
b. provide a soft covering to hold axons in place
c. insulate the neuron so it can transmit information more efficiently
d. receive messages from outside the neuron and carry them to the cell nucleus
c. insulate the neuron so it can transmit information more efficiently
The term "white matter" refers to ______.
a. glial cells c. myelinated axons
b. unmyelinated axons d. interneurons
c. myelinated axons
The term "gray matter" refers to ______.
a. glial cells c. myelinated axons
b. unmyelinated axons d. interneurons
b. unmyelinated axons
3|Page
Freeman Questions & Answers with rationales All
Chapters Graded A+ 2025/2026
________________________________________________________________________________________________________
A hemispherectomy involves the removal of the ______ of the brain.
a. frontal lobes c. right or left half
b. limbic system d. top half
c. right or left half
In the brain, "plasticity" refers to the brain's ability to ______.
a. change its shape with the changing shape of the skull as a child grows.
b. adapt to new environmental conditions
c. grow new neural connections to permanently store memories of learned information
d. recognize the difference between what is real and what isn't
b. adapt to new environmental conditions
The area of psychology that focuses on the biological foundations of behavior and mental processes is called ______.
a. psychobiology c. forensic psychology
b. health psychology d. environmental psychology
a. psychobiology
The study of the brain and the nervous system is known as ______.
a. psychobiology c. neuropsychology
b. endocrinology d. neuroscience
d. neuroscience
Psychologists who study the brain's influence on behavior are called ______.
a. neuropsychologists c. experimental psychologists
b. evolutionary psychologists d. personality psychologists
a. neuropsychologists
.The nervous system is one of the body's two ______.
a. coordinating and integrating systems
b. autonomic mechanisms
c. reflex controls
d. limbic systems
a. coordinating and integrating systems
The endocrine system is one of the body's two ______.
a. limbic systems
b. autonomic mechanisms
c. reflex controls
d. coordinating and integrating systems
d. coordinating and integrating systems
1|Page
,.The system that relays messages in the form of electrochemical impulses throughout the body is called ______.
a. the arousal system c. the limbic system
b. the nervous system d. the endocrine system
b. the nervous system
The system which coordinates and integrates behavior by secreting chemicals into the bloodstream is called ______.
a. the somatic system c. the limbic system
b. the autonomic system d. the endocrine system
d. the endocrine system
The 1990s was called the decade of ______.
a. behavior c. the brain
b. the mind d. the person
c. the brain
The smallest unit in the nervous system is the ______.
a. dendrite c. axon
b. neuron d. nerve
b. neuron
The cell which underlies the activity of the entire nervous system is the ______.
a. glial cell c. neuron
b. epidermal cell d. T-cell
c. neuron
There are approximately ______ neurons in the brain of an average human being.
a. 100 thousand c. 100 billion
b. 100 million d. 100 trillion
c. 100 billion
.The part of a neuron which contains the nucleus and the largest amount of mass in the cell is the ______.
a. axon c. cell membrane
b. dendrite d. cell body
b. dendrite
The short fibers which extend from the neuron, allowing it to receive messages from other neurons are ______.
a. axons c. nerve bundles
b. dendrites d. synapses
b. dendrites
The part of the neuron that carries outgoing messages either to another neuron or to a muscle or gland is the ______.
a. myelin sheath c. dendrite
b. axon d. cell body
b. axon
Axons in the spinal cord can reach a length of up to ______ feet.
a. 2 c. 4
b. 3 d. 5
2|Page
, b. 3
A group of axons bundled together is called a ______.
a. synaptic vesicle c. nerve
b. primary cluster d. myelinated pathway
c. nerve
A group of axons bundled together is called a ______.
a. synaptic vesicle c. tract
b. primary cluster d. myelinated pathway
c. tract
A nerve is a group of ______ bundled together.
a. axons c. interneurons
b. dendrites d. glial cells
a. axons
Each neuron has ______ axon(s).
a. one c. four
b. two d. eight
a. one
Neurons typically have ______.
a. one axon and one dendrite c. many axons and one dendrite
b. one axon and many dendrites d. many axons and many dendrites
b. one axon and many dendrites
The white, fatty covering that surrounds some axons is ______.
a. the cell membrane c. the synaptic cleft
b. glial tissue d. the myelin sheath
d. the myelin sheath
The primary purpose of the myelin sheath is to ______.
a. provide a place for neural respiration and cell metabolism to occur
b. provide a soft covering to hold axons in place
c. insulate the neuron so it can transmit information more efficiently
d. receive messages from outside the neuron and carry them to the cell nucleus
c. insulate the neuron so it can transmit information more efficiently
The term "white matter" refers to ______.
a. glial cells c. myelinated axons
b. unmyelinated axons d. interneurons
c. myelinated axons
The term "gray matter" refers to ______.
a. glial cells c. myelinated axons
b. unmyelinated axons d. interneurons
b. unmyelinated axons
3|Page
