DAANCE Test Questions | 50 Questions with 100% Correct Answers | Latest Update 2024 | 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