DAANCE 2023//2024

DAANCE 2023//2024 The T wave on a cardiac monitor tracing is evidence of what change in polarization Repolarization of the ventricles What anatomical surface 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 an anesthetized patient is lying in a supine postion? 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 the lungs? right artium, right ventricle, pulmonary artery, lungs, pulmonary vein, left artirum, 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, sinuses, 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 redily palpated when looking for a patient's pulse is the common carotid The central nervous system consits of the bran and spinal cord Which part of the eye loses its reflex action first during the induction of anesthia? eyelid A patient with history of transient ischemic attacks (TIA's) has had a temporary lessening of blood supply to the brain Ischemic heart disease is a result of decreased blood flow in the coronary arteries The main purpose of the review of systems is to obtain a carful evaluation of the patient's Medical history A patient who has renal disease would be expected to have diffculty with? drug excretion The medical history is NOT used to document the patents socioeconomic status The medical history IS used to document basic medical infomation, the process of evaluating the patient, the patient's psychological status Normal blood oxygen saturation in an ASA class 1 ranges from 95%-100% Which of the following statements about the ASA physical status classification of patients is FALSE it allows a surgeon to anesthetize a class 4 patient routinely Patients with diabetes are at risk for oral and maxillofacial surgery because they are subject to post-op infections A patient who has had a myocardial infarcation should wait how many moneths before having elective surgery? 6 Diazepam (Valium) is used in outpatient oral and maxillofacial surgery to sedated the patient Barbiturates are detoxified primarily in the liver Rapid administration of anesthetic doses of methohexital (Brevital) can result in Biccups, tachycardia, Respiratory depression The reason that methohexital (