How Much Do You Know About Posterior Mediastinum? Quiz

21 Questions | Total Attempts: 170

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How Much Do You Know About Posterior Mediastinum? Quiz

The human body is broken down into different systems that work together to promote the normal functioning of the body. In anatomy class, we got to break it all down and got to understand the difference between normal functioning or the systems and organs and that which is not. How much do you know about posterior mediastinum? Take up this quiz and find out!


Questions and Answers
  • 1. 
    Sympathetic fibers in the greater thoracic splanchnic nerve arise from neuron cell bodies found in the:
    • A. 

      Brainstem

    • B. 

      Celiac ganglion

    • C. 

      Chain ganglion

    • D. 

      Spinal cord

    • E. 

      Superior mesenteric ganglion

  • 2. 
    • A. 

      Afferent fiber from cutaneous blood vessels of the nose

    • B. 

      Afferent fiber from skin around the nipple

    • C. 

      Efferent fibers to sweat glands in the lumbar region

    • D. 

      Efferent fibers to skin of the forehead

    • E. 

      Parasympathetic fibers to the heart

  • 3. 
    Gray rami communicantes contain postganglionic sympathetic fibers that innervate which of the following structures in the thoracic region?
    • A. 

      Aorta

    • B. 

      Heart

    • C. 

      Lung

    • D. 

      Sweat glands

    • E. 

      Trachea

  • 4. 
    In the midregion of the thorax the thoracic duct lies immediately posterior to the:
    • A. 

      Aorta

    • B. 

      Azygos vein

    • C. 

      Esophagus

    • D. 

      Superior vena cava

    • E. 

      Trachea

  • 5. 
    Lymph nodes can be found in which mediastinal compartment(s)?
    • A. 

      Anterior

    • B. 

      Middle

    • C. 

      Posterior

    • D. 

      All of the above

    • E. 

      None of the above

  • 6. 
    • A. 

      Greater thoracic splanchnic nerve

    • B. 

      Recurrent larygneal nerve

    • C. 

      White ramus communicans

    • D. 

      Ulnar nerve

    • E. 

      Vagus nerve

  • 7. 
    • A. 

      Aorta

    • B. 

      Azygos vein

    • C. 

      Esophagus

    • D. 

      Thoracic duct

    • E. 

      Trachea

  • 8. 
    A tumor of the posterior mediastinum is most likely to compress which of the following structures?
    • A. 

      Arch of the aorta

    • B. 

      Esophagus

    • C. 

      Inferior vena cava

    • D. 

      Pulmonary trunk

    • E. 

      Trachea

  • 9. 
    The aorta is located in which mediastinal compartment(s)?
    • A. 

      Anterior only

    • B. 

      Anterior and middle

    • C. 

      Middle only

    • D. 

      Middle and posterior

    • E. 

      Posterior only

  • 10. 
    While performing transesophageal echocardiography on a patient, the posterior wall of the esophagus, immediately behind the left atrium, was punctured from within. The patient subsequently developed an infection in the space around the esophagus at this point, namely the:
    • A. 

      Anterior mediastinum

    • B. 

      Middle mediastinum

    • C. 

      Posterior mediastinum

    • D. 

      Superior mediastinum

  • 11. 
    Since the puncture in the previous question was through the posterior wall of the esophagus, the doctors were also very concerned about possible damage to a thin-walled vessel just behind the esophagus and between the azygos vein and aorta, i.e., the:
    • A. 

      Hemiazygos vein

    • B. 

      Left bronchial vein

    • C. 

      Left pulmonary vein

    • D. 

      Superior vena cava

    • E. 

      Thoracic duct

  • 12. 
    During a surgical procedure, a patient's right sympathetic trunk was accidentally severed just cranial to the level of spinal nerve T1. Which function would be left intact in the affected region?
    • A. 

      Arrector pili muscle activity

    • B. 

      Dilation/constriction of blood vessels

    • C. 

      Sweat production

    • D. 

      Visceral reflex activity

    • E. 

      Voluntary muscle activity

  • 13. 
    Most of the drainage of the thoracic body wall reaches the superior vena cava via the azygos vein. A notable exception is the left superior intercostal vein, which normally drains into the:
    • A. 

      Left brachiocephalic vein

    • B. 

      Left bronchial vein

    • C. 

      Left pulmonary vein

    • D. 

      Left subclavian vein

    • E. 

      Superior vena cava

  • 14. 
    You are observing a physician perform a thoracoscopic procedure. She pushes the deflated lung anteroinferiorly and points out a nervous structure lying across the heads of the ribs. You identify this structure as the
    • A. 

      Greater thoracic splanchnic nerve

    • B. 

      Sympathetic trunk

    • C. 

      Phrenic nerve

    • D. 

      Pulmonary plexus

    • E. 

      Vagus nerve

  • 15. 
    • A. 

      Superior vena cava

    • B. 

      Inferior vena cava

    • C. 

      Internal thoracic vein

    • D. 

      Right brachiocephalic vein

    • E. 

      Superior epigastric vein

  • 16. 
    During a procedure to harvest lymph nodes in the posterior mediastinum, the thoracic duct is accidentally cut. The resulting accumulation of lymph in the pleural cavity is referred to as:
    • A. 

      Pleurisy

    • B. 

      Chylothorax

    • C. 

      Pyothorax

    • D. 

      Hemothorax

    • E. 

      Lymphedema

  • 17. 
    • A. 

      Right vagus nerve

    • B. 

      Right phrenic nerve

    • C. 

      Right sympathetic trunk

    • D. 

      Right greater thoracic splanchnic nerve

    • E. 

      Right 9th intercostal nerve

  • 18. 
    A 45-year-old female patient complains of excessive sweating on the right side of the face and neck and in the right armpit region, where it leaves her clothing constantly stained with moisture. It is now such a terrible social embarrassment that she has become withdrawn and self-conscious. Since no medical treatment has proven effective, she is considering surgical denervation of the sweat glands in the affected areas. Which structure(s) might be removed or cut in order to alleviate her condition?
    • A. 

      Cervicothoracic (stellate) ganglion

    • B. 

      Dorsal roots of cervical nerves

    • C. 

      Greater thoracic splanchnic nerve

    • D. 

      Lumbar sympathetic trunk

    • E. 

      Vagus nerve

  • 19. 
    • A. 

      Greater thoracic splanchnic nerve

    • B. 

      Left recurrent laryngeal nerve

    • C. 

      Right pulmonary artery

    • D. 

      Sympathetic trunk

    • E. 

      Thoracic duct

  • 20. 
    • A. 

      Accessory hemiazygos vein

    • B. 

      Left internal thoracic artery

    • C. 

      Left phrenic nerve

    • D. 

      Left recurrent laryngeal nerve

    • E. 

      Thoracic duct

  • 21. 
    A frail, elderly man, suspected of having widespread cancer of the lungs and bronchi, is brought in for bronchoscopic examination. The instrument is inserted into the airway, where it accidentally punctures the thin, brittle posterior wall of the diseased right main bronchus. A sudden gush of blood immediately indicates that the instrument has also torn the wall of the blood vessel immediately behind the right main bronchus, i.e., the:
    • A. 

      Azygos vein

    • B. 

      Left brachiocephalic artery

    • C. 

      Pericardiacophrenic artery

    • D. 

      Right pulmonary vein

    • E. 

      Superior vena cava