1st Semester Anatomy Ta Week 12 Questions

11 Questions | By Chachelly | Last updated: Mar 20, 2022 | Total Attempts: 76

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1.

A tumor arising in the posterior mediastinum is LEAST likely to cause which of the following symptoms?
- A.
  
  Hoarseness of voice
- B.
  
  Dysphagia
- C.
  
  Pulmonary Edema
- D.
  
  Horner's Syndrome
2.

Which or the following malformations occurring in embryonic development is most likely to cause ONLY dysphagia?
- A.
  
  Double SVC
- B.
  
  Persistent L. Anterior Cardinal Vein
- C.
  
  Retroesophageal Right Subclavian
- D.
  
  Double Aortic Arch
3.

What type of fibers are contained in the Greater Thoracic Splanchnic Nerve?
- A.
  
  Post-ganglionic sympathetics fibers from the lateral horn of the spinal cord
- B.
  
  Pre-ganglionic parasympathetic fibers that originate from the sympathetic chain ganglia
- C.
  
  Post ganglionic parasympathetic fibers from the lateral horn of the spinal cord
- D.
  
  Pre-ganglionic sympathetic fibers from the lateral horn of the spinal cord
- E.
  
  Pre-ganglionic sympathetic fibers that originate from the sympathetic chain ganglia
4.

A 65 year-old man presents with dysphagia and hoarseness of voice. A series of images were ordered and you discover a tumor of the posterior mediastinum. Which of the following is the tumor most likely compressing?
- A.
  
  Azygos vein
- B.
  
  Pulmonary trunk
- C.
  
  Trachea
- D.
  
  Esophagus
- E.
  
  Inferior Vena Cava
5.

A 54 year-old woman presents to the ER with cardiac tamponade. A pericardiocentesis needs to be done immediately. Where can this procedure be done without puncturing the lungs?
- A.
  
  Costomediastinal recess
- B.
  
  Costodiaphragmatic recess
- C.
  
  Cardiac notch
- D.
  
  Cupola
- E.
  
  Anterior Mediastinum
6.

There are several major structures located at the vertebral level of T4-T5. Which structure is not considered part of this important anatomical location?
- A.
  
  Angle of Louis
- B.
  
  Border of superior and inferior mediastinum
- C.
  
  Rib 2
- D.
  
  Ascending aorta
- E.
  
  Tracheal Bifurcation
7.

The structure lying in between the esophagus and the azygous vein in the posterior mediastinum is injured. The result of injury to this structure may cause:
- A.
  
  Hemothorax
- B.
  
  Pneumothorax
- C.
  
  Chylothorax
- D.
  
  Pyothorax
- E.
  
  Hydrothorax
8.

A Floridian returning on an airline flight from China arrives at the emergency department with unexplained shortness of breath, chest pain, and coughing up blood. A blood clot (embolus) is found in the left pulmonary artery. Which of the following structures did this embolus most likely come from?
- A.
  
  Pulmonary veins
- B.
  
  Left atrium
- C.
  
  Right ventricle
- D.
  
  Left brachiocephalic vein
- E.
  
  Left ventricle
9.

A patient has a 4 day history of a recurrent hiccup reflex. You perform an X-ray and discover a tumor just anterior to the pericardium that you suspect is a germ cell tumor. What nerve being irritated is most likely responsible for the hiccup reflex?
- A.
  
  Left Vagus n.
- B.
  
  Left recurrent laryngeal n.
- C.
  
  Right Vagus n.
- D.
  
  Right recurrent laryngeal n.
- E.
  
  Left Phrenic n.
10.

A patient arrives at the emergency department with neck, face and arm edema, distended arm and neck veins, as well as dilated and tortuous veins on their upper chest and back. You suspect that there is a supra-azygous SVC obstruction. In the lateral thoracic pathway how does the blood make its way back to the heart?
- A.
  
  Lateral thoracic --> Intercostals --> Accessory hemiazygos or hemiazygos --> Azygos.
- B.
  
  Internal thoracic --> Intercostals --> Accessory hemiazygos or hemiazygos --> Azygos
- C.
  
  Lateral thoracic --> thoracoepigastric --> superficial circumflex --> femoral veins --> IVC
- D.
  
  Lateral thoracic --> superficial circumflex --> thoracoepigastric --> femoral veins --> IVC
- E.
  
  Lateral thoracic --> intercostals --> superficial circumflex --> femoral veins --> IVC
11.

A 65 year-old male presents to the clinic with an acute onset of dyspnea, chest discomfort, and general malaise. On physical examination, the patient presents with enlarged neck veins and edema in the facial and brachial regions. Radiological imaging shows an enlarged thymic shadow. Biopsy results confirm the surgeon's suspected diagnosis and the patient is prepped for surgery. During surgery, the resident surgeon notices a collateral circulation. The attending physician then asks which vascular structure is MOST likely involved in this anastomosis?
- A.
  
  Internal Jugular Vein
- B.
  
  Subclavian Vein
- C.
  
  Gonadal Vein
- D.
  
  Azygos Vein
- E.
  
  Internal Thoracic Artery