Daance Modules 1 – 4 2026 The T-wave on a cardiac monitor tracing is evidence of what change in polarization? - answer- Repolarization of the ventricles What anatomical structure located at the top of the larynx closes the airway and prevents foreig

Daance Modules 1 – 4 2026 The T-wave on a cardiac monitor tracing is evidence of what change in polarization? - 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 - answer-Epiglottis Which of the following structures is most likely to cause obstruction of the airway when an anesthetized patient is lying in a supine position - answer-Tongue Blood is pumped to the lungs from the heart through which of the following vessels - answer-Pulmonary artery Which of the following is the normal sequence for the flow of blood through the heart and the lungs - answer-Right atrium right ventricle pulmonary artery lungs pulmonary vein left atrium left ventricle aorta The small sac like structure located at the end of the respiratory tract in which oxygen and carbon dioxide are exchanged are called - answer-Alveoli Which of the following structures may be involved in a patient who has an upper respiratory infection - answer-Nose sinuses pharynx The soft tissue valve that covers the larynx and allows food to enter the esophagus is called the - answer- Epiglottis An artery located in the neck that is readily palpated when looking for a patients pulse - answer- Common carotid