A ______ area of the cerebral cortes is responsible for the integrative component of nerve function
Association
Which type of neuroglial cell produces the cerebrospinal fluid in the brain
ependymal cell
What type of propagation is accomplished by the generation of an action potential at each successive adjacent region along a neural axon, without any intervals
continuous propagation
Which of the following is NOT a significant function of the left hemisphere of the cerebrum
Musical Skills
Which region of the brain stem relays information between the spinal cord and the cerebrum
Midbrain
A ____ area of the cerebral cortex receives inout from various body tissues
Sensory
Within the cerebral hemispheres, white matter is
Deep
What type of propagation is accomplished by the generation of an action potential at successive nodes along a neural axon, jumping over myelinated sections
Saltatory Propagation
Ependymal cells are associated with blood capillaries within a structure called a
Choroid Plexus
Which of the following is NOT a significant function of the right hemisphere of the cerebrum
Numerical Skills
The ventral root of the spinal nerve contains
Axons of Motor Neurons
Which structure within the cerebrum contributes to the generation of emotion and is involved in memory
Limbic System
Drugs such as novocaine block sodium channels, and therefore act as a pain reliever by preventing
Action Potentials
Within the cerebral hemispheres gray matter is found in the
Cortex
Which layer of connective tissue surrounds a bundle of neural axons (fascicles) within a nerve
Perineurium
A ____ is a raised ridge on the surface of the cerebral cortex
Gyrus
The group of spinal nerves running in together through the vertebral column beyond the end of the spinal cord itself is the
Cauda equine
What is the typical threshold that causes a graded potential to trigger an action potential in a neuron
-55mV
Which region of the diencephalon relays information between the cerebrum and the brain stem
Thalamus
A _____ is a shallow valley between the gyri of the cerebral cortex
Sulcus
Which of the following is the tough, outer layer of the meninges
Dura Mater
During depolarization phase of an action potential :
Sodium (subtraction) channels are open
The spinal cord terminates in a tapering structure called the
Conus Medullaris
Which layer of connective tissue surrounds an entire nerve
Epinerium
During the repolarization phase of an action potential :
Potassium channels are open
The ____is a branch of a spinal nerve that serves muscles and skin of the ventral trunk and limbs
Anterior Ramus
Which region of the brain has a major role in regulating aspects of homeostasis, such as body temperature
Hypothalamus
During the after-hyperpolarizing phase of an action potential, the membrane potential may reach:
-90mV
The _____ provides the principal link between the nervous system and endocrine systems
Hypothalamus
The dorsal root of a spinal nerve contains
Axons of Sensory Neurons
A _____ area of the cerebral cortex sends output to various body tissues
Motor
Which of the following is NOT true of a graded potential
It travels along the axon
Which region of the brain contributes to the regulation of ventilation rate and is responsible for communication between the cerebellum and other regions of the brain
Pons
The _____ is a branch of a spinal nerve that serves muscles and skin of the dorsal trunk
Posterior Ramus
Which structure within the cerebrum regulates body movements and muscle tone
Basal Nuclei
Division of the cerebral hemispheres that are named after the overlying skull bones are
Lobes
which of the following is NOT true of an action potential
It is a small deviation from the resting potential
Which of the following is the delicate, inner layer of meninges
Pia Mater
Which region of the brain is responsible for higher-order mental functions
Cerebrum
Which of the following is the middle layer of the meninges, characterized by a network of collagen and elastic fiber
Arachnoid matter
Which is the typical peak amplitude of an action potential in a neuron
+30mV
This ____ is a group of branches of a spinal nerve that seves internal organs
Rami Communicantes
The dorsal root ganglion mainly consists of
Cell Bodies of Sensory Neurons
Which region of the brain contributes to the regulation of the biological clock be releasing melatonin
Pineal Gland
Which structure within the cerebrum lines the two cerebral hemispheres
Corpus Collosum
The specialized membranes that surround the spinal cord are termed the
Spinal Meninges
Which region of the brain is responsible for balance, posture, and skilled movement
cerebellum
Which layer of connective tissue surround the axon of an individual neuron within a nerve
Endoneurium