Thoracic Viscera 2023

Which statement is correct?

When the right coronary artery divides into the posterior interventricular sulcus, which characteristic does it have?

What is the correct anatomical shape of the base of the lung?

Which structure are supplied by the thyrocervical trunk?

The right vagus nerve crosses anterior to what structure?

Which statement is correct?

Which percentage reflects the frequency of the left dominant coronary pattern?

Which statement is true regarding the total number of bronchopulmonary segments in the right lung relative to the left?

What is the parent vessel of the posterior intercostal arteries supplying the inferior 9 intercostal spaces?

A patient with a mediastinal tumor has hoarseness. What nerve is involved?

 What structure or structures appear(s) black on a CT scan of an axial section through the thorax?

How many veins empty into the left atrium?

 Which pattern does the pulmonary artery follow?

Which procedure is done on the site of the notch created by the displacement of the left lung by the heart?

What is the pacemaker of the heart?

 What type of bronchus supplies bronchopulmonary segments?Primary

Which vessel(s) directly arise from the descending aorta?

What is innervated by the general visceral afferent fibers present in the vagus nerve?

What is anterior to the esophagus?

What is the intercostal space where the apex of the heart is located?

What is the natural firing rate of the SA node?

A radiograph reveals atelectasis (collapse) of the lingula. What pulmonary structure is associated with the lingula?

How many arteries arising from the thoracic aorta supply the posterior intercostal space?

What action would result from sympathetic outflow to the thoracic viscera?

Which rib correlates to the inferior aspect of the lung along the midclavicular line?

Anatomically, how far left of the midline is the apex of the heart located?

What is the correct order of impulses traveling to the conduction apparatus of the heart?

What term describes the most superior position of the esophagus?

From which intercostal spaces does the accessory hemiazygos vein receive blood?

 In the sympathetic system, in which area of the gray matter does the preganglionic cell body reside?

At which vertebral level is the apex of the lung?

 Which developmental structure(s) give rise to the pectinate muscles?

The ablation of Koch’s triangle can be an effective treatment for which of the following conditions?

 What is the anatomic location where the synapse of preganglionic and postganglionic fibers of the sympathetic nerves occurs?

What vertebrae separate the superior and inferior mediastina?

Which developmental structure gives rise to the sinus venarum?

Which coronary artery travels with the great cardiac vein?

What is contained in the tunica adventitia?

Which statements about vessels are correct?

 What is the effect of innervation by the sympathetic nerves on the heart?

How many thoracic vertebrae shape the posterior boundary of the inferior mediastinum?

Which structures does the foramen ovale lie between?

What region of the parietal pleura faces the heart?

The 3 constrictions of the esophagus for geriatric patients are clinically important because pills may get lodged during swallowing. Why would this occur?

Which statement about the anatomical relationship of the superior vena cava to its surrounding structures is correct?

What is the level of origin of the least splanchnic nerve?

A medical student places a stethoscope over the left 5th intercostal space along the midclavicular line. What cardiac valve is best auscultated in this space?

Which statement about the wall thickness of the compartments of the heart is correct?

With the patient in an upright position, where would fluid be best removed during a thoracentesis?

What is another name for Zenker’s diverticulum?

Which veins contribute to the azygos vein?

Which symptom is unrelated to a Pancoast tumor?

What structure is found in the superior mediastinum, posterior to the trachea?

Where are the trabeculae carneae found?

Which body part is not a derivative of the foregut?

During an endoscopic procedure, the physician finds it difficult to advance the scope beyond the second of 3 constrictions. What structure(s) are responsible for this constriction?

The hemiazygos vein is formed by blood coming from which intercostal veins?

What is the dermatome where the nipple lies?

During respiration, which statement describes the motion of the heart?

 How many cusps does the semilunar valve have?

Which pleural membrane is present anatomically most inferiorly?

What is the location of the esophageal diverticulum through Killian’s triangle?

What 2 veins unite to form the superior vena cava?

Which phrase describes anhydrosis?

 Which term best describes the appearance of the serous pericardium upon dissection?

What are the correct anatomical names for the cusps of the aortic semilunar valves?

Which vertebral level corresponds to the start of the trachea?

What part of the aorta is the first to receive arterial blood from the left ventricle?

What venous element of the vertebral column forms an anastomosis with the posterior intercostal veins?

What is another term for the epicardium?

What cardiac valve is composed of right, left, and posterior cusps?

What is the average length of the trachea?

Which structure is supplied by the ascending aorta?

What anterior rami of the spinal nerves, if damaged, would result in paralysis of the diaphragm?

Which structures lie on either side of the potential space that is the pericardial cavity?

What are the 2 names of the coronary arteries?

Which side of the C-shaped rings of the trachea has the gap?

Which artery is derived from the left subclavian artery?

What best describes the site where fluid accumulates with cardiac tamponade?

How many branches does the left coronary artery have?

 How many fissures are in the left lung?