Wave of Depolarization - correct answer an advancing wave of charge reversal as the nerve impulse advance a long the neuron
Wakefullness system -
... [Show More] correct answer consists of a central core in the brainstem with neurons that radiate to the cortex
Vomiting Center - correct answer the center in the brainstem that induces vomiting
Vital Centers - correct answer centers in the brainstem that control such physiologic processes as blood pressure and pulse, depth and rate of respiration
Vestibular nerve - correct answer part of the eighth cranial nerve that is connect with equilibrium and hearing
Venule - correct answer any of the small vessels that collect blood from networks of capillaries and join them to form veins
Ventricular tachycardia - correct answer 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 - correct answer a cardia dsrhythmia in which the pacemaker is in the ventricles rather than in the SA node or atria
Ventricular focus - correct answer a displace point of origin for a dysrhythmia that is in the ventricles
Ventricular fibrillation - correct answer arrhythmia characterized by contractions of ventricle muscle fibers due to rapid excitation of myocardial fibers without coordinated contraction of the ventricle
Sensory nerve - correct answer a nerve of the peripheral nervous system that conducts impulses from a sense organ to the spinal cord or brain
Sinoatrial node - correct answer a microscopic collection of heart muscle fibers where cardiac rhythm originates; also called the pacemaker of the heart
sinus arrhythmia - correct answer a cardiac dysrhythmia similar to normal sinus rhythm, but withslight variation in rate with inspiration and expiration
sinus bradycardia - correct answer cardiac dysrhythmia similar to normal sinus rhythm except for a slower rate of less than 60 bpm
sinus rhythms - correct answer cardiac rhythms in which the pacemaker is the sinoatrial node
sinus tachycardia - correct answer dysrhythmia similar to normal sinus rhythm except for an increase in rate of greater than 100 bpm but less than 150 bpm
stroke volume - correct answer the amount of blood ejected from a ventricle during each beat of the heart
subcutaneous - correct answer beneath the skin
superior vena cava - correct answer 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 - correct answer central points of origin of dsrhythmias, which are located above the level of the ventricles in the atria
sympathommimetic - correct answer having activity that mimics the effects of the sympathetic nervous system, epinephrine
synapse - correct answer the junction between two neurons where impulses are transmitted from one neuron to another
synaptic cleft - correct answer the gap between two nerves where they meet at a synapse
syncope - correct answer fainting
synergistic - correct answer the phenomenon that exists when two drugs are administered together, and the combined effect is greater than the sum of its parts
systolic - correct answer 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 - correct answer the EKG waveform that represents repolarization of the ventricles
Tachycardia - correct answer fast heart rate
terminal button - correct answer the bulge at the end of the nerve that touches the next nerve in the never pathway at a synapse
third degree AV block - correct answer 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 - correct answer formation of a blood clot in a blood vessel, usually a vein
Tidal Volume - correct answer the amount of gas that is inspired or expired during one respiratory cycle
titrate - correct answer to give a small quantity of a drug and assess its effects before giving additional drugs
trachea - correct answer windpipe
tracheostomy - correct answer the surgical creation of an opening into the trachea through the neck
transient ischemic attack - correct answer a brief attack of cerebral dysfunction caused by reduced blood flow in the brain
trigeminal nerve - correct answer the fifth cranial nerve, which supplies sensation to the face, teeth, mouth, and nasal cavity
type I diabetes - correct answer insulin-dependent diabetes
type II diabetes - correct answer noninsulin- dependent diabetes
vagus nerve - correct answer the tenth cranial nerve, which supplies fibers to many parts of the body, including the ears, tongue, pharynx, larynx, and thoracic, and abdominal viscera
vapocoolant - correct answer a chemical spray applied to the skin to rapidly cool the skin surface
vaporizer - correct answer a device that allows for the controlled evaporation and release of inhalation anesthetic agents for the administration of inhalation anesthesia
vasoconstriction - correct answer the decrease in the diameter of a vessel, especially constriciton of arterioles leading to decreased blood flow to a part
vascoconstrictors - correct answer pharmacologic agents that cause blood vessels to constrict
vasodilation - correct answer dilation of a vessel
vein - correct answer vessel that carries blood from organs
ventricle - correct answer one of a pair of cavities that have thick muscular walls and make up the bulk of the heart
P wave - correct answer a wave appearing on a cardiac monitor tracing that reflects the electrical activity that produces contraction of the atria
Paradoxical effect - correct answer an effect that is the opposite of the intended effect
Parenteral - correct answer routes of medication administration other than by mouth
Paroxysmal tachycardia - correct answer a condition marked by sudden attacks of rapid heartbeats
PEA - correct answer a cardiac dsyrhythmia in which a normal rhythm such as sinus bradycardia appears on the monitor screen although there is no contraction of the heart
pharmacodynamics - correct answer the effects that the drug has on various body system
pharmacokinetics - correct answer the effect that the body has on a drug
pharynx - correct answer the muscular and membranous cavity leading from the mouth and lower nasal passages to the trachea
phlebitis - correct answer inflammation of a blood vessel in response to an irritating intravenously administered substance
pneumonitis - correct answer inflammation of the lungs
pons - correct answer almond shaped structure that is the upper-most portion of the brainstem and serves as a "bridge" to the midbrain
potentiate - correct answer to make stronger or enhance the effect of a drug
PAC - correct answer a premature firing of an ectopic focus in the atria producing an early contraction of the atria
PVC - correct answer premature contraction of the heart that is independent of the normal rhythm and arises in response to an impulse in the ventricle
Prothrombin - correct answer protein present in plasma that represents one of several coagulation factors
protease inhibitors - correct answer class of pharmacologic agents used in the treatment of AIDS to help prevent viral replication
pseudocholinesterase - correct answer a type of enzyme found in the blood that is responsible for the metabolic breakdown of the muscle relaxant succinylcholine
pterygoid plexus - correct answer a network of veins corresponding to the second and third parts of maxillary artery
pulmonary artery - correct answer one of two arteries that carry venous blood from the heart to the lungs
pulmonary veins - correct answer the veins that return oxygenated blood from the lungs to the left atrium of the heart
pulseless V. Tach - correct answer a cardiac dysrhythmia in which there is a monitor display of ventricular tachycardia, but there is no contraction
purkinje fiber system - correct answer specialized cardia muscle fibers that rapidly transmit impulses in the heart and coordinate contraction of the heart
QRS complex - correct answer an element appearing on a cardiac monitor tracing that reflects the activity that produces ventricular contration
Rales - correct answer abnormal breath sounds detected during auscultation of the lungs that are often described as crackling or bubbling
receptor sites - correct answer specialized sites on ion channels to which natural neurotransmitter substances or drugs attach, usually leading to the opening of the ion channel for passage of positively or negatively charged ions
redistribution - correct answer the release of a drug from its initial receptor site and its movement through the blood stream to other body structures such as fat stores, muscles, etc.
relay center - correct answer an ovoid structure in the central portion of the brain that relays sensory input to the cerebral cortex
repolarization - correct answer reestablishment of the normal distribution of charge across a neuronal membrane
review of system - correct answer an organized set of questions asked during history taking that address each of the major body systems
rheumatic heart disease - correct answer damage to the heart, primarily the heart valve, caused by a systemic bacterial infection
run of PVCs - correct answer several PVCs in succession
second degree AV block Type I - correct answer an atrioventricular block with progressive elongation of the PR interval followed by a dropped beat
second degree AV block Type II - correct answer an atrioventricular block with alternating conducting and non-conducting impulses and multiple dropped beats
sedatives - correct answer a group of pharmacologic agents used to provide a sense of relaxation in patients who are apprehensive
Hemoglobin - correct answer a component of red blood cells that carries oxygen from the lungs to the tissues and carbon dioxide from the tissues to the lungs
Hypercarbia - correct answer increased level of carbon dioxide
hypertension - correct answer abnormally high blood pressure
hyperthyroidism - correct answer excessive functional activity of the thyroid gland, characterized by increased basal metabolism, goiter, and disturbances of the autonomic nervous system
hypotension - correct answer abnormally low blood pressure
hypothyroidism - correct answer deficiency of thyroid activity characterized in adults by decreased basal metabolic rate, tiredness, sensitivity to cold, and menstrual disturbances
hypoxia - correct answer low levels of oxygen
induction - correct answer the initiation of a state of unconsciousness duirng anesthesia
Inferior alveolar artery - correct answer artery that supplies blood to the mandible, teeth, lower lip and chin
inferior vena cava - correct answer the venous trunk from the lower extremities and abdominal viscera that empties blood into the right atrium of the heart
internal jugular vein - correct answer vein that drains much of the blood from the head and the neck
ion channels - correct answer microscopic channels within the membranes of neurons through which charged particles or ions pass during conduction of the nerve impulse
ischemia - correct answer deficiency of the blood to a body part
junctional rhythms - correct answer cardiac dsrhythmia in which the ectopic pacemaker is in the area of the AV junction [Show Less]