DAANCE EXAM QUESTIONS AND ANSWERS

DAANCE EXAM QUESTIONS AND ANSWERS The "T" wave on an ECG tracing is evidence of what change in polarization? - ANS 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? - ANS The epiglottis Which structure is most likely to cause obstruction of the airway when an anesthetized patient is lying in a supine position? - ANS The tongue What is the "supine" position? - ANS Pt laying face up What is the "fowlers" position? - ANS Pt is sitting straight up or leaning slightly back What is the "trendelenburg" position? - ANS Pt's head is slightly lower than their feet Blood is pumped to the lungs from the heart through which vessel? - ANS pulmonary artery What is the normal sequence for the flow of blood through the heart and lungs? - ANS 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? - ANS Aveoli Which structure may be involved in a pt who has an upper respiratory infection? - ANS nose, sinuses, and pharynx What is the soft tissue valve that covers the larynx and allows food to enter the esophagus? - ANS Epiglottis An artery located in the neck that is readily palpated when looking for a patients pulse is? - ANS common carotid Which part of the eye loses its reflex action first during the induction of anesthesia? - ANS The eyelid What is hypoxia? - ANS Lack of oxygen What is Addisons disease? - ANS hyposecretion of glucocorticoids What type of medication do pt's with Addisons disease take? - ANS Cortisone daily What is hyperglycemia? - ANS 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"? - ANS Insulin dependent What is "type 2 diabetes?" - ANS non-insulin diabetes A pt with history of transient ischemic attacks (TIA's) has had temporary lessening of? - ANS Blood supply to the brain