100% Correct | Verified
The T wave on a cardiac monitor tracing is evidence of what change in polarization? - ✔✔Repolarization
of the ventricles
What anatomical structure located at the top of 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 a 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 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? - ✔✔Alveoli
Which of the following structures may be involved in a patient who has an upper respiratory infection? -
✔✔Nose, sinuses, and 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 Cartoid
, The central nervous system consists of the? - ✔✔Brain and spinal cord
A patient with a 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 careful evaluation of the patient's ? -
✔✔Medical History
A patient who has renal disease would be expected to have difficulty with which of the following? -
✔✔Drug excretion
The medical history is NOT used to document? - ✔✔Socioeconomic status of the patient
Congestive heart failure can result in all of the following EXCEPT? - ✔✔Bronchospasm
Normal blood oxygen saturation in an ASA (class) I patient ranges from? - ✔✔95 to 100
Which of the following statements about the ASA physical status classification of patients is FALSE? -
✔✔It allows the surgeon to anesthetize of a class V patient routinely
Patients with diabetes are at risk for oral and maxillofacial surgery because they? - ✔✔Are subject to
postoperative infections
A patient who has had a myocardial infarction should wait how many months before having elective
surgery? - ✔✔2
Diazepam is used in outpatient oral and maxillofacial surgery to? - ✔✔Sedate the patient