Nervous System

The sympathetic and parasympathetic nervous system are subdivisions of the _________.

Autonomic nervous system

The sympathetic and parasympathetic nervous systems are subdivisions of the ______.

Autonomic nervous system

Sally has a brain injury; she knows what she wants to say but can't vocalize the words. The part of her brain that deals with the ability to speak is the ______.

Broca's area

Which one of the following is the correct sequence of nerves that exit the spinal cord, from superior to inferior?

Cervical spinal nerves, thoracic spinal nerves, lumbar spinal nerves, sacral spinal nerves

The major role of the interneuron (association neuron) is to__________.

Connect motor and sensory neurons in their pathway

Cerebrospinal fluid does not circulate through what?

Corpus callosum

Which cranial nerve control eye movement?

Cranial nerve III, IV, VI

What is a characteristic of the parasympathetic nervous system?

Decreased heart rate

What statement about aging is most accurate?

Despite some neuronal loss, an unlimited number of neural pathways are available and ready to be developed; therefore, additional learning can occur throughout life

Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the _________.

Hypothalamus

The spinal cord terminates around vertebra _______.

L3

Support cells in the Central nervous system are collectively called _______.

Neurogila

The substance that is released at axonal endings to propagate a nervous impulse is called _______.

Neurontransmitter

The gaps between Schwann cells found at regular intervals in peripheral system neurons are called ________.

Nodes of Ranvier

Cranial nerve III is known as the _______ nerve.

Oculomotor

Cranial nerve III, is known as the ______ nerve.

Oculomotor

The primary somatic sensory cortex is located in the _________ lobe of the cerebrum.

Parietal

__________ disease results from a degeneration of the dopamine-releasing neurons of the substantia nigra.

Parkinson's

During the testing state, a neuron is ________.

Polarized with more sodium ions outside the cell and more potassium ions inside the cell

The portion of the diencephalon that acts as a relay station for sensory impulses traveling to the sensory cortex is the _______.

Thalamus

Sympathetic division fibers leave the spinal cord in the _______.

Thoracolumbar region, and the postganglionic fibers secrete norapinephrine

Bundles of nerve fibers running through the CNS are called_______, whereas in the PNS they are called ________.

Tracts; nerves

Which cranial nerve descends into the thoracic and abdominal cavities to regulate heart rate and promote digestive activity?

Vagus

Myelinated fiber (tracts) form________ matter while unmyelinated fibers form_________ matter

White; gray

Rick quickly pulled his hand away from the hot stove. This reflex is best known as a(n) _______.

Withdrawal reflex

Neurons either conduct action potentials along the length of their axons, or they remain at rest. This statement best describes ____.

all or none response

The nervous system is structurally subdivided into two systems: _______ nervous system and ______ nervous system.

central and peripheral

Loss of muscle coordination results from damage to the ______.

cerebellum

Hemiplegia and aphasia characterize those patients who have experienced a ________.

cerebrovascular accident (CVA), or stroke

What part of the brain stem houses reflex centers for vision and hearing?

corpora quadrigemina

One of the last areas of the CNS to mature is the ________, which regulates body temperature.

hypothalamus

The two major functional properties of neurons are ______.

irritability and conductivity

The blood-brain barrier is effective against the passage of

metabolic waste such as urea

Impulse conduction is fastest in neurons that are ______.

myelinated

The hypothalamus regulates the ______.

pituitary gland

Sweat glands that produce perspiration when stimulated are innervated only by the __________ fibers.

sympathetic