Chapters 8, 10 Flashcards
All neural tissue outside of the brain & spinal cord make up which nervous system
Peripheral
Information is carried to the CNS by the ____ division, & motor command are carried to the muscles & Gladstone via the ___ division
Afferent, Efferent
____ increases the speed at which action potential travels along the axon of an oligodendrocyte
Myelin
Which of the following is an example of a demyelination disorder
Heavy metal poisoning, Guillain-Barre syndrome, multiple sclerosis
What is a shift of membrane potential toward 0 mv called? An example is is the entry of sodium into the cell
Depolarization
____ is when a cell membrane cannot respond normally to further stimulation
Repolarization
Synapses that release norepinephrine are called
Adrenergic
The three layers of specialized membranes
surrounding the brain and spinal cord are
the
Meninges
Which region of the brain controls conscious
thoughts, sensations, memory storage, and
complex movements?
Cerebrum
The hypothalamus is connected to what gland,
which is the primary link between the nervous and endocrine systems?
Pituitary
Which region of the brain is responsible for
control of autonomic functions such as heart rate, blood pressure, and digestive
activities?
Medulla oblongota
Which of the following is caused by an imbalance in the amount of CSF fluid produced and the rate at which it is
absorbed?
Hydrocephalus
The ____ division of the autonomic nervous system stimulates tissue metabolism, increases
alertness, and prepares the body to deal with
emergencies.
Sympathetic
The stimulation of Beta 1 receptors causes which of the following?
An increase in cardiac contractility, an increase in heart rate, an increase in cardiac
conduction
The parasympathetic nervous system has nicotinic and ____ receptors.
Muscarinic