Augustine • Fitzpatrick
Professor Seif conducts research on the relationship between the limbic system and
sexual motivation. Her research interests best represent the psychological specialty
known as: - ANSWER:biolgical psychology
Dendrites are branching extensions of: - ANSWER:neurons
an axon is - ANSWER:the extension of a neuron that carries messages away from the
cell body.
In transmitting sensory information to the brain, an electrical signal travels from the
________ of a single neuron. - ANSWER:dendrites to the cell body to the axon
The speed at which a neural impulse travels is increased when the axon is encased
by a(n): - ANSWER:myelin sheath.
A brief electrical charge that travels down the axon of a neuron is called the: -
ANSWER:action potential
The part of a neuron that transmits neural messages to other neurons or to muscles
or glands is called the - ANSWER:axon
The movement of positively charged ions across the membrane of a neuron can
produce a(n): - ANSWER:action potential
The selective permeability of a neural membrane creates a(n): - ANSWER:resting
potential
An allornone response pattern is characteristic of the: - ANSWER:initiation of neural
impulses.
Resting potential is to action potential as ________ is to ________. -
ANSWER:polarization; depolarization
A synapse is a(n): - ANSWER:junction between a sending neuron and a receiving
neuron.
The chemical messengers released into the spatial junctions between neurons are
called: - ANSWER:neurotransmitters
When the release of ACh is blocked, the result is: - ANSWER:muscular paralysis.
, Opiate drugs occupy the same receptor sites as: - ANSWER:endorphins
The slowdown of neural communication in multiple sclerosis involves a degeneration
of the: - ANSWER:myelin sheath
The spatial junctions where impulses are chemically transmitted from one neuron to
another are called: - ANSWER:synapses
The body's speedy, electrochemical information system is called the: -
ANSWER:nervous system
Information travels from the spinal cord to the brain via: - ANSWER:interneurons
In order for you to be able to run, ________ must relay messages from your central
nervous system to your leg muscles. - ANSWER:motor neurons
Motor neurons are to the ________ nervous system as interneurons are to the
________ nervous system. - ANSWER:peripheral; central
The somatic nervous system is a component of the ________ nervous system. -
ANSWER:peripheral
An accelerated heartbeat is to a slowed heartbeat as the ________ nervous system
is to the ________ nervous system. - ANSWER:sympathetic; parasympathetic
When Mr. Valdez thought his 1-year-old daughter had fallen down the stairs, his
heartbeat accelerated, his blood pressure rose, and he began to perspire heavily. Mr.
Valdez's state of arousal was activated by his ________ nervous system. -
ANSWER:sympathetic
The knee-jerk reflex is controlled by interneurons in the: - ANSWER:spinal cord
neural networks - ANSWER:interconnected clusters of neurons in the central nervous
system
A football quarterback can simultaneously make calculations of receiver distances,
player movements, and gravitational forces. This best illustrates the activity of
multiple: - ANSWER:neural networks
Hormones are the chemical messengers of the - ANSWER:endocrine system
Endocrine glands secrete hormones directly into: - ANSWER:the bloodstream
Epinephrine and norepinephrine are released by the: - ANSWER:adrenal glands
Which endocrine gland regulates body growth? - ANSWER:pituitary