The great vessel of the mediastinum that is formed by the confluence of the brachiocephalic veins and is critical for returning deoxygenated blood from the upper body to the right atrium is the:

The anatomical region of the pharynx that serves as the transition between the pharynx and the esophagus is the:

Which of the following best describes the anatomical course of the phrenic nerve in the thorax?

The fibrous skeleton maintains the attachment site for what structures?

How many Cusp does the Aortic Valve normally have?

Which of the following structures plays a major role in posterior epistaxis and may require cauterization or embolization if bleeding is severe?

Which of the following statements correctly describes a clinical consideration related to the nasal cavity and paranasal sinuses?

For selective one lung ventilation in the adult patient, the most commonly used device is the:

During a thoracic surgery, preservation of which of the following arterial supplies is most crucial for preventing ischemic complications in a lung transplant patient?

Which of the following techniques is most effective in preventing epistaxis during nasal intubation?