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27 Cards in this Set
- Front
- Back
The ______ nerves send signals to smooth muscle, cardiac muscle, and glands.
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.autonomic motor
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Physiologically, resting potential indicates that the charge inside of the neuron is _____ compared to the outside.
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.negative
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The ____________ serves to link the left and right hemispheres of the brain.
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.corpus callosum
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The _________ plays a crucial role in learning and memory and the _______ plays a crucial role in the sensation of fear.
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.hippocampus, amygdala
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In recent years, scientists have established that seasonal depression syndrome is related to melatonin levels and the proper functioning of the _____________.
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.pineal gland
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A(n) _____________ is located within the central nervous system and conveys messages between neurons.
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.interneuron
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The cells that transmit nerve impulses between parts of the nervous system are called ________.
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.neurons
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A neuron repolarizes by ________ after it has been stimulated
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.the outward movement of potassium ions (K+)
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__________ is a neurotransmitter that is considered "a feel good neurotransmitter" because it can affect moods
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.Dopamine
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Although Shaun and Bryan are brothers, different hemispheres of their brains are dominant. Shaun is an artist and his ___ hemisphere dominates and Bryan is a pre-pharmacy major and his ____ hemisphere dominates
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.right, left
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The outer covering of some axons which is composed of lipid material is called
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.myelin sheath
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The autonomic nervous system is divided into the ________ and __________ divisions
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.sympathetic, parasympathetic
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Which of the following is the correct pairing?
diencephalon; thalamus, hypothalamus brain stem; midbrain, pons, medulla oblongata reticular formation; network of neurons extending the length of the brain stem cerebrum; higher functions all of the above are correct |
.all of the above
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Muscle coordination and maintenance of muscle tone to maintain posture and balance are controlled by which part of the brain
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.cerebellum
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In the nervous system, action potential is measured in millivolts (mV) and when action potential occurs, the membrane potential ranges from ________.
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.-65mV to +40mV
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As the result of trauma, William could not utilize the muscles of his larynx, cheeks, tongue, and lips. It was decided that he had undergone damage to his
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.Broca's area
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As the result of intense study and brain mapping, it is known that the largest portion of the primary motor and sensory cortex is devoted to the ______ and _____.
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.hands, face
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When a neuron is excited:
positive charges move in the nerve fiber becomes depolarized an impulse begins to flow the nerve cell membrane becomes permeable to sodium All of the choices are correct. |
.All of the choices are correct
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Which of the following is not a neurotransmitter?
GABA Dopamine Insulin Acetylcholine Serotonin |
.Insulin
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Greg's _____________ allowed him to recall the specific smells of his grandmother's house long after he moved away.
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.limbic system
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The peripheral nervous system includes the:
sensory nerves and motor nerves brain and spinal cord medulla oblongata and meninges limbic system and parasympathetic division none of the above |
.sensory nerves and motor nerves
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The brain and the spinal cord comprise the __________ nervous system
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central
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The interconnecting cavities within the brain which produce and circulate cerebrospinal fluid are
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.ventricles
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In the central nervous system, the brain and spinal cord are protected by three distinct membranes known as the _________ as well as cushioned by cerebrospinal fluid.
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.meninges
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Which of the following is a gap in the myelin sheath?
node of Ranvier nerve impulse Schwann cell Pacinian corpuscle interneuron |
.node of Ranvier
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In a neuron, __________ receive signals from sensory receptors.
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.dendrites
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Neurotransmitters are stored in synaptic vesicles in the:
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.axon terminals
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