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DAANCE

Dental anesthesia Assistant National Certification exam

QuestionAnswer
The T wave on a cardiac monitor tracing is evidence of what changes in polarization? re polarization of the ventricles
What autonomical structure located at the top of the larynx closes the airway and prevents foreign bodies from entering the trachea epiglottis
Which of the following structures is most likely to cause obstruction of the airway when anesthetized patient is lying in supine position? tongue
Blood is pumped to the lungs from the heart through which of the following vessels? Pulmonary artery
Which of the following is the normal sequence for the flow of blood through the heart and lungs? right atria, right ventricle, pulmonary artery, lungs, pulmonary vein, left atria, left ventricle,aorta
the small, sac like structures located at the end of the respiratory tract in which oxygen and carbon dioxide are exchanged are called alveoli
which of the following structures may be involved in a patient who has an upper respiratory infection? nose, sinus, pharynx
The soft tissue valve that covers the larynx and allows food to enter the esophagus is called the epiglottis
An artery located in the neck that is readily palpated when looking for a patient's pulse is the common carotid
the central nervous system consist of the brain and spinal cord
The main purpose of the ANS (autonomic nervous system) regulates internal organs/other involuntary body functions
Sympathetic Nervous system Increases heart rate, blood pressure, releases epinephrine
Parasympathetic nervous system decreases heart rate, blood pressure, increases secretion, releases Acetylcholine
Right atrium: Receives deoxygenated blood from the body
Right ventricle sends deoxygenated blood to the lungs
Left atrium receives oxygenated bloods from the lungs
Left ventricle sends oxygenated blood to the body
What is the normal adult respiration 12-16 respiration per minute
4 important arteries lingual, facial, maxillary, inferior alveolar arteries
Created by: linatsui
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