DAANCE PRACTICE TEST EXAM
2023/2024
The "T" wave on an ECG tracing is evidence of what change in polarization? - CORRECT ANSWER -Repolarization of the ventricles
What anatomical structure located at the top of the larynx closes the airway and prevents foreign bodies from entering the trachea? - CORRECT ANSWER -The epiglottis
Which structure is most likely to cause obstruction of the airway when an anesthetized patient is lying in a supine position? - CORRECT ANSWER -The tongue
What is the "supine" position? - CORRECT ANSWER -Pt laying face up
What is the "fowlers" position? - CORRECT ANSWER -Pt is sitting straight up or leaning slightly back
What is the "trendelenberg" position? - CORRECT ANSWER -Pt's head is slightly lower than their feet
Blood is pumped to the lungs from the heart through which vessel? - CORRECT ANSWER-pulmonary artery
What is the normal sequence for the flow of blood through the heart and lungs? - CORRECT ANSWER -Right atrium, right ventricle, pulmonary artery, lungs, pulmonary vein, left atrium, 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? - CORRECT ANSWER -Aveoli
Which structure may be involved in a pt who has an upper respiratory infection? - CORRECT ANSWER -nose, sinuses, and pharynx
What is the soft tissue valve that covers the larynx and allows food to enter the esophagus? - CORRECT ANSWER -Epiglottis
An artery located in the neck that is readily palpated when looking for a patients pulse is? - CORRECT ANSWER -common carotid
Which part of the eye loses its reflex action first during the induction of anesthesia? - CORRECT ANSWER -The eyelid
What is hypoxia? - CORRECT ANSWER -Lack of oxygen 1 / 2
What is Addisons disease? - CORRECT ANSWER -hyposecretion of glucocorticoids
What type of medication do pt's with Addisons disease take? - CORRECT ANSWER - Cortisone daily
What is hyperglycemia? - CORRECT ANSWER -An insufficient supply of insulin which is produced in the pancreas, prevents the body's cells from metabolizing carbohydrates properly.
What is "Type 1 diabetes"? - CORRECT ANSWER -Insulin dependent
What is "type 2 diabetes?" - CORRECT ANSWER -non-insulin diabetes
A pt with history of transient ischemic attacks (TIA's) has had temporary lessening of? - CORRECT ANSWER -Blood supply to the brain
Ischemic heart disease is a result of? - CORRECT ANSWER -decreased blood flow in the coronary arteries
The main purpose of the review of systems is to obtain a careful evaluation of the pt's? - CORRECT ANSWER -Medical history
A pt who has renal disease would be expected to have difficulty with? - CORRECT ANSWER-drug excretion
Medical history is not used to document ? - CORRECT ANSWER-The socioeconomic status of the pt.
Congestive failure does not result in? - CORRECT ANSWER -bronchospasm
Normal blood oxygen saturation in an ASA class I pt ranges from? - CORRECT
ANSWER-95%-100%
Why are diabetic pt's at risk for oral and maxillofacial surgery? - CORRECT ANSWER - Pt's are subject to postoperative infections.
A pt who has had a myocardial infarction should wait how many months before having elective surgery? - CORRECT ANSWER -6 months
What is midazolam? - CORRECT ANSWER -Versed
What is glycopyrrolate? - CORRECT ANSWER -Robinul
What does robinul do? - CORRECT ANSWER -Dry mouth
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