Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
|
The ______ nerves send signals to smooth muscle, cardiac muscle, and glands.
|
.autonomic motor
|
|
|
Physiologically, resting potential indicates that the charge inside of the neuron is _____ compared to the outside.
|
.negative
|
|
|
The ____________ serves to link the left and right hemispheres of the brain.
|
.corpus callosum
|
|
|
The _________ plays a crucial role in learning and memory and the _______ plays a crucial role in the sensation of fear.
|
.hippocampus, amygdala
|
|
|
In recent years, scientists have established that seasonal depression syndrome is related to melatonin levels and the proper functioning of the _____________.
|
.pineal gland
|
|
|
A(n) _____________ is located within the central nervous system and conveys messages between neurons.
|
.interneuron
|
|
|
The cells that transmit nerve impulses between parts of the nervous system are called ________.
|
.neurons
|
|
|
A neuron repolarizes by ________ after it has been stimulated
|
.the outward movement of potassium ions (K+)
|
|
|
__________ is a neurotransmitter that is considered "a feel good neurotransmitter" because it can affect moods
|
.Dopamine
|
|
|
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
|
.right, left
|
|
|
The outer covering of some axons which is composed of lipid material is called
|
.myelin sheath
|
|
|
The autonomic nervous system is divided into the ________ and __________ divisions
|
.sympathetic, parasympathetic
|
|
|
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
|
|
|
Muscle coordination and maintenance of muscle tone to maintain posture and balance are controlled by which part of the brain
|
.cerebellum
|
|
|
In the nervous system, action potential is measured in millivolts (mV) and when action potential occurs, the membrane potential ranges from ________.
|
.-65mV to +40mV
|
|
|
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
|
.Broca's area
|
|
|
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 _____.
|
.hands, face
|
|
|
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
|
|
|
Which of the following is not a neurotransmitter?
GABA Dopamine Insulin Acetylcholine Serotonin |
.Insulin
|
|
|
Greg's _____________ allowed him to recall the specific smells of his grandmother's house long after he moved away.
|
.limbic system
|
|
|
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
|
|
|
The brain and the spinal cord comprise the __________ nervous system
|
central
|
|
|
The interconnecting cavities within the brain which produce and circulate cerebrospinal fluid are
|
.ventricles
|
|
|
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.
|
.meninges
|
|
|
Which of the following is a gap in the myelin sheath?
node of Ranvier nerve impulse Schwann cell Pacinian corpuscle interneuron |
.node of Ranvier
|
|
|
In a neuron, __________ receive signals from sensory receptors.
|
.dendrites
|
|
|
Neurotransmitters are stored in synaptic vesicles in the:
|
.axon terminals
|
