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Thoracic Nerves and Anatomy

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Questions and Answers

Which nerve lies behind the brachiocephalic vein?

Intercostal nerve
Right phrenic nerve
Left phrenic nerve (correct)
Thoracic nerve

On which side of the mediastinum does the right phrenic nerve operate?

Posterior side
Right side (correct)
Anterior side
Left side

Through which opening does the right phrenic nerve pass?

Aortic opening
Pulmonary opening
Vena caval opening (correct)
Oesophageal opening

Where does the left phrenic nerve cross the vagus nerve?

Behind the brachiocephalic vein (C) Signup and view all the answers

Which nerve is responsible for the sensation of the diaphragm?

Phrenic nerve (A) Signup and view all the answers

Where does the left phrenic nerve leave the thorax?

Through the code of the diaphragm (D) Signup and view all the answers

What is the origin of the phrenic nerve?

C3-5 (C) Signup and view all the answers

What is the motor function of the phrenic nerve?

To the diaphragm (C) Signup and view all the answers

What is the reason for the phrenic nerve arising in the neck?

Because the diaphragm develops in the neck (C) Signup and view all the answers

What is the function of the sensory branch of the phrenic nerve?

To supply the serous membranes (B) Signup and view all the answers

What is the significance of the accessory phrenic nerve in surgical procedures?

It can prevent complete paralysis of the diaphragm (A) Signup and view all the answers

What is the course of the phrenic nerve in relation to the diaphragm?

It supplies the diaphragm from its abdominal surface (D) Signup and view all the answers