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DAANCE EXAM QUESTIONS & ANSWERS CORRECTLY
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DAANCE EXAM QUESTIONS & ANSWERSCORRECTLY 2024 - 2025
Wave of Depolarization ANS - an advancing wave of charge reversal as the nerve impulse advance a
long the neuron
Wakefullness system ANS - consists of a central core in the brainstem with neurons that radiate to the
cortex
Vomiting Center ANS - the center in the brainstem that induces vomiting
Vital Centers ANS - centers in the brainstem that control such physiologic processes as blood pressure
and pulse, depth and rate of respiration
Vestibular nerve ANS - part of the eighth cranial nerve that is connect with equilibrium and hearing
Venule ANS - any of the small vessels that collect blood from networks of capillaries and join them to
form veins
Ventricular tachycardia ANS - a cardia dsrhythmia in which there is rapid firing of an ectopic focus in
the ventricles and a wide QRS complex with no p waves
Ventricular rhythms ANS - a cardia dsrhythmia in which the pacemaker is in the ventricles rather than
in the SA node or atria
Ventricular focus ANS - a displace point of origin for a dysrhythmia that is in the ventricles
Ventricular fibrillation ANS - arrhythmia characterized by contractions of ventricle muscle fibers due to
rapid excitation of myocardial fibers without coordinated contraction of the ventricle
Sensory nerve ANS - a nerve of the peripheral nervous system that conducts impulses from a sense
organ to the spinal cord or brain
,Sinoatrial node ANS - a microscopic collection of heart muscle fibers where cardiac rhythm originates;
also called the pacemaker of the heart
sinus arrhythmia ANS - a cardiac dysrhythmia similar to normal sinus rhythm, but withslight variation in
rate with inspiration and expiration
sinus bradycardia ANS - cardiac dysrhythmia similar to normal sinus rhythm except for a slower rate of
less than 60 bpm
sinus rhythms ANS - cardiac rhythms in which the pacemaker is the sinoatrial node
sinus tachycardia ANS - dysrhythmia similar to normal sinus rhythm except for an increase in rate of
greater than 100 bpm but less than 150 bpm
stroke volume ANS - the amount of blood ejected from a ventricle during each beat of the heart
subcutaneous ANS - beneath the skin
superior vena cava ANS - the venous trunk that drains blood from the head, neck, upper extremities,
and chest and empties into the right atrium of the heart
supraventricular foci ANS - central points of origin of dsrhythmias, which are located above the level of
the ventricles in the atria
sympathommimetic ANS - having activity that mimics the effects of the sympathetic nervous system,
epinephrine
synapse ANS - the junction between two neurons where impulses are transmitted from one neuron to
another
synaptic cleft ANS - the gap between two nerves where they meet at a synapse
, syncope ANS - fainting
synergistic ANS - the phenomenon that exists when two drugs are administered together, and the
combined effect is greater than the sum of its parts
systolic ANS - pertaining to the phase of the heart's pumping action when the ventricles contract,
forcing blood either to the lungs or peripheral circulation
T wave ANS - the EKG waveform that represents repolarization of the ventricles
Tachycardia ANS - fast heart rate
terminal button ANS - the bulge at the end of the nerve that touches the next nerve in the never
pathway at a synapse
third degree AV block ANS - an atrioventricular block in which the impulse does not conduct from the
atria to the ventricles and there is independent contraction of the atria and ventricles
Thrombosis ANS - formation of a blood clot in a blood vessel, usually a vein
Tidal Volume ANS - the amount of gas that is inspired or expired during one respiratory cycle
titrate ANS - to give a small quantity of a drug and assess its effects before giving additional drugs
trachea ANS - windpipe
tracheostomy ANS - the surgical creation of an opening into the trachea through the neck
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