The neuron fiber that passes messages through its branches to other neurons or to muscles and glands is the _______.
myelin sheath
synapse
axon
thalamus
The tiny space between the axon of one neuron and the dendrite or cell body of another is called the
axon terminal.
branching fiber.
synaptic gap
threshold
Regarding a neuron's response to stimulation, the intensity of the stimulus determines
whether or not an impulse is generated.
how fast an impulse is transmitted.
how intense an impulse will be.
whether reuptake will occur.
In a sending neuron, when an action potential reaches an axon terminal, the impulse triggers the release of chemical messengers called
hormones
neurotransmitters
dendrites
reticular formation
Endorphins are released in the brain in response to
morphine or heroine.
pain or vigorous exercise.
the all-or-none response.
All these answers are correct.
The autonomic nervous system controls internal functions, such as heart rate and glandular activity. The word autonomic means
calming.
voluntary.
self-regulating.
arousing.
The sympathetic nervous system arouses us for action and the parasympathetic nervous system calms us down. Together, the two systems make up the nervous system.
The neurons of the spinal cord are part of the nervous system.
The most influential endocrine gland, known as the master gland, is the
pituitary.
hypothalamus.
thyroid.
pancreas.
The secrete(s) epinephrine and norepinephrine, helping to arouse the body during times of stress.
The part of the brainstem that controls heartbeat and breathing is the
cerebellum.
medulla.
cortex.
thalamus.
The thalamus functions like a(n)
memory bank.
balance center.
breathing regulator.
Internet router.
The lower brain structure that governs arousal is the
spinal cord.
reticular formation.
The part of the brain that coordinates voluntary movement and enables nonverbal learning and memory is the .
Two parts of the limbic system are the amygdala and the
cerebral hemispheres.
hippocampus.
A cat's ferocious response to electrical brain stimulation would lead you to suppose the electrode had touched the .
The neural structure that most directly regulates eating, drinking, and the body temperature is the
endocrine system.
amygdala.
The initial reward center discovered by Olds and Milner was located in the .
If a neurosurgeon stimulated your right motor cortex, you would most likely
see light.
hear a sound.
feel a touch on the right arm.
move your left leg.
