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Which part of the neuron improves the speed of the neural impulse? - ANS ✔Myelin Sheath
What is the brief electrical impulse that travels down the axon called? - ANS ✔Action Potential
At its resting state, the outside of a neuron is more _____ than the inside of the neuron. - ANS
✔Positively charged
An action potential occurs when the inside of a cell becomes more _______________ charged
and the _________ charge moves down the axon. - ANS ✔Positively; Electrical
In the process of neurotransmission, the action potential causes neurotransmitters to be
released from the ______ to the _______. - ANS ✔Synaptic Vesicles; Synapse
Danny has terrible migraines that interfere with his ability to complete his work. He just learned
from his psychology class that the migraines could be caused by an overabundance of which
neurotransmitter? - ANS ✔Glutamate
A drug like nicotine that produces a biological response in the brain is called a(n)
_______________. - ANS ✔Agonist
When you touch a hot stove and immediately withdraw your hand, it is called a ________ and is
the result of interneurons within the _________. - ANS ✔Reflex; Spinal Cord
, Clayton incurred a spinal cord injury, and the doctors wanted to enroll him in a clinical trial that
uses stem cells in the treatment. Stem cells are special because they can _________. - ANS
✔turn into other specialized cells in the body
Chemical substances in the body that regulate bodily activities such as growth, metabolism, and
sexual reproduction are called ____________. - ANS ✔hormones
The endocrine system consists of many glands that release hormones for different functions.
Which gland is considered the master gland that communicates with all the other glands? - ANS
✔Pituitary gland
Javier has been complaining of being fatigued, cold, and depressed lately. His doctor decides to
run some tests on his endocrine system. What condition might the doctor test for given his
symptoms? - ANS ✔Hypothyroidism
Tomas has been playing the piano since age 5. Throughout his adolescence, he also taught
himself to play guitar, bass, and the drums. Due to his practice with musical instruments,
Tomas's brain would show improved ________. - ANS ✔synaptic plasticity
A doctor wants detailed pictures of the structures in a patient's brain but doesn't want to
expose the patient to any radiation. What would be the best method of assessment for the
doctor to use? - ANS ✔Magnetic Resonance Imaging (MRI)
Samson is a client in a sleep lab and is going to have his brain wave activity measured while
sleeping. He will have electrodes placed all over his skull so that the test can measure his brain
activity. This type of test is called ______. - ANS ✔Electroencephalogram (EEG)
What part of the brain allows us to detect danger even below the level of conscious awareness?
- ANS ✔Amygdala