Chapter 10- Nervous System

Bundles of myelinated fibers make up the

This cranial nerve is responsible for the sense of smell.

Acetylcholine is released by

Which of the following is not a function of the hypothalamus?

The somatic nervous system carries impulses from the brain and spinal cord to

A concussion is a type of traumatic brain injury

The innermost layer of the meninges is the

Which glia cell produces the myelin that envelops the nerve fibers of the brain and spinal cord?

Axon terminals of autonomic neurons release either of two neurotransmitters.

How many pairs of spinal nerves are connected to the spinal cord?

Multiple sclerosis is characterized by myelin loss & destruction & by varying degrees of oligodendrocyte injury & death.

The eye is considered part of the _____ nervous system.

Which type of glia cell turns into a microbe-eating cell in inflamed brain tissue?

The perineurium is

Cells that conduct the impulses are called

These chemicals allow neurons to communicate with each other

Saltatory conduction

hemorrhage/cessation of blood flow thru cerebral blood vessels resulting in destruction of neurons is called a stroke

temporary or permanent paralysis of facial features caused by damage to cranial nerve VII (facial nerve) is Bell Palsy

brain disorder from repeated trauma to the brain Chronic Traumatic Encephalopathy (CTE)

Which of the following statements is not true of multiple sclerosis?

A reflex arc may not have which of the following?

The limbic system integrates

Parkinson disease is a nervous disorder resulting from a deficiency of which neurotransmitter?

A nerve is

Axons

This type of glia cell can act as a microbe-eating scavenger.

Interneurons, also called central or connecting neurons, conduct impulses from sensory neurons to motor neurons

pain in one or more branches of the fifth cranial nerve that runs along the face; also called tic douloureux

The second largest part of the brain, located just below the occipital lobe of the cerebrum, is the

Nerves that originate from the brain are called

During a nerve impulse

The autonomic nervous system is a subdivision of the _____ nervous system.

Skin surface area supplied by a single spinal nerve is called a

The large fluid-filled spaces within the brain are called the

The autonomic nervous system can be divided into the

Motor neurons, (efferent neurons), transmit impulses from the brain/ spinal cord to muscle & glandular epithelial tissue

The nervous system is divided into which two principal divisions?

Alzheimer Disease (AD)brain disorder of the middle and late adult years characterized by loss of memory and dementia

The three divisions of the brain that make up the brainstem are the

The neurilemma is the outer cell membrane of a Schwann cell.

A subdivision of the nervous system that regulates involuntary functions is the

Which of the following is not part of the peripheral nervous system?

Which of the following is not a function of the thalamus?

Sensory neurons are also called

loss of memory, shortened attention span, personality changes, reduced intellectual capacity, and motor dysfunction

Compression or degeneration of the fifth cranial nerve, may result in trigeminal neuralgia or tic douloureux

The white, fatty substance that surrounds an axon is called

The nodes of Ranvier are indentations between adjacent Schwann cells

The organs of the nervous system include all of the following except the

The action potential seems to “jump” from node to node along a myelinated fiber. This type of impulse regeneration is

Formation of the cerebrospinal fluid occurs in the

The outermost covering of a nerve is called the

Compression, degeneration, or infection of the seventh cranial nerve, the facial nerve, may result in Bell palsy

Parkinson disease is a chronic disorder resulting in deficiency of the neurotransmitter dopamine areas of the brain

A seizureis a sudden burst of abnormal neuron activity that results in a temporary change in brain function.

Which of the following statements is not true of nervous system tumors?

The part of a neuron that transmits impulses away from the cell body is the

Sensory neurons, also called afferent neurons, transmit impulses to the spinal cord and brain from all areas of the body

The outer membrane of a Schwann cell is called the

The effect of sympathetic stimulation on the blood vessels in skeletal muscles is

The most basic reflex arc is