Ribs, Sternum, SC Joints Quiz
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Questions and Answers

What is the name given to the junction of thoracic vertebrae 2 and 3?

jugular notch

What is the alternative name for the body of the sternum?

Corpus or Gladiolus

Where does the xiphoid process lie in relation to the thoracic vertebrae?

over the 10th thoracic vertebrae

What is the other name for the xiphoid process?

<p>Enciform Process</p> Signup and view all the answers

How many pairs of ribs are there in total?

<p>12</p> Signup and view all the answers

What are the first seven ribs that attach directly to the sternum called?

<p>True Ribs</p> Signup and view all the answers

Which ribs are classified as 'Floating Ribs'?

<p>Ribs #11 and #12</p> Signup and view all the answers

What is the anatomical term for the two ends of a rib?

<p>sternal end and vertebral end</p> Signup and view all the answers

What is the main function of the bony thorax?

<p>Supports the walls of the pleural cavity and protects the heart and lungs.</p> Signup and view all the answers

How long is the sternum?

<p>About 6 inches in length.</p> Signup and view all the answers

Which part of the sternum articulates with the clavicle?

<p>Sternal extremity of the clavicle articulates with the Manubrium.</p> Signup and view all the answers

What is the most superior aspect of the sternum called?

<p>Jugular notch.</p> Signup and view all the answers

What is the most inferior aspect of the sternum?

<p>Xiphoid process.</p> Signup and view all the answers

How many costal cartilages does the manubrium attach to?

<p>2 costal cartilages.</p> Signup and view all the answers

What is another name for the jugular notch?

<p>Suprasternal notch.</p> Signup and view all the answers

What part of the bony thorax is not included in its composition?

<p>Clavicles.</p> Signup and view all the answers

What is the shape of the manubrium?

<p>Roughly quadrilateral in shape.</p> Signup and view all the answers

What is the recommended position of the patient for Oblique Rib positions?

<p>45° toward or away from the affected side</p> Signup and view all the answers

What structures should be visible for upper ribs in Oblique Rib positions?

<p>Ribs 1-10</p> Signup and view all the answers

What is the Source-to-Image Distance for RAO Sternum position?

<p>30 inches</p> Signup and view all the answers

What is the purpose of the RAO Sternum projection?

<p>To cast the sternum between the hearts shadow and the vertebral column</p> Signup and view all the answers

Where should the top of the image receptor be placed for RAO Sternum position?

<p>1 and 1/2 inches above the jugular notch</p> Signup and view all the answers

What is the classification of the xiphisternal joint?

<p>Immovable</p> Signup and view all the answers

What is the recommended SID for Lateral Projection of the Sternum?

<p>72 inches</p> Signup and view all the answers

What is the appropriate way to shield a patient during rib and sternum x-rays?

<p>With a half lead apron</p> Signup and view all the answers

How should the patient be positioned for the Lateral Projection of the Sternum?

<p>Upright in front of the wall bucky, and rotated either to the left or right laterally</p> Signup and view all the answers

What is the recommended position to image ribs to demonstrate pneumothorax, hemothorax, atelectasis, or pleural effusion?

<p>Upright</p> Signup and view all the answers

Where should the central ray of the X-ray beam be aimed for the PA Sternoclavicular (SC) Joints projection?

<p>Perpendicular to the midsagittal plane, entering at the level of the T3 vertebrae</p> Signup and view all the answers

What is another name for AP or PA Unilateral Upper Ribs?

<p>AP/PA Above Diaphragm Ribs</p> Signup and view all the answers

Where should the top of the Image receptor be positioned for AP or PA Unilateral Upper Ribs?

<p>1-1½ inches above top of shoulder</p> Signup and view all the answers

At what level should the central ray (CR) enter for AP or PA Unilateral Upper Ribs?

<p>T7 vertebrae</p> Signup and view all the answers

What structures are seen for AP Unilateral Upper Ribs?

<p>1st to the 10th posterior ribs above the diaphragm, with ribs visible through the lungs</p> Signup and view all the answers

What is another name for AP or PA Lower Ribs?

<p>AP/PA Below Diaphragm Ribs</p> Signup and view all the answers

What is the recommended exposure for the PA Sternoclavicular (SC) Joints projection?

<p>Suspended expiration</p> Signup and view all the answers

What structures should be visible in the PA Sternoclavicular (SC) Joints projection?

<p>SC joints and medial portions of clavicles</p> Signup and view all the answers

In a bilateral exam of the PA Sternoclavicular (SC) Joints projection, should there be any rotation?

<p>No</p> Signup and view all the answers

How much rotation is allowed in a unilateral exam of the PA Sternoclavicular (SC) Joints projection?

<p>Slight rotation</p> Signup and view all the answers

What position is the patient placed in for the PA Oblique Sternoclavicular (SC) Joints projection?

<p>Prone on the X-ray table and then rotated into either a 15° LAO or RAO position</p> Signup and view all the answers

Where should the central ray of the X-ray beam enter for the PA Oblique Sternoclavicular (SC) Joints projection?

<p>At the level of T2-T3 vertebrae, 3-inches distal from the vertebral prominent, and 1-2 inches lateral from midsagittal plane</p> Signup and view all the answers

What position should the patient's arms be in for the PA Oblique Sternoclavicular (SC) Joints projection?

<p>Alongside their body with palms facing up</p> Signup and view all the answers

Which SC joint is the image always of in the PA Oblique Sternoclavicular (SC) Joints projection?

<p>The SC joint closest to the image receptor</p> Signup and view all the answers

Study Notes

Thoracic Vertebrae and Sternum

  • The junction of thoracic vertebrae 2 and 3 is known as the cervicothoracic junction.
  • The alternative name for the body of the sternum is the gladiolus.
  • The xiphoid process lies at the level of thoracic vertebrae 9-10.
  • The xiphoid process is also known as the xiphisternum.
  • There are 12 pairs of ribs in total.
  • The first seven ribs that attach directly to the sternum are called true ribs.
  • Ribs 11 and 12 are classified as 'Floating Ribs'.
  • The anatomical term for the two ends of a rib is the costal cartilage and the vertebral end.
  • The main function of the bony thorax is to protect the heart and lungs.

Sternum

  • The sternum is approximately 15-17 cm long.
  • The manubrium articulates with the clavicle.
  • The most superior aspect of the sternum is called the manubrium.
  • The most inferior aspect of the sternum is called the xiphoid process.
  • The manubrium attaches to 3-4 costal cartilages.

Anatomical Structures

  • The jugular notch is also known as the suprasternal notch.
  • The bony thorax does not include the hyoid bone.
  • The shape of the manubrium is trapezoid.

Radiographic Positions

  • The recommended position of the patient for Oblique Rib positions is 30-40° rotated.
  • The upper ribs should be visible in Oblique Rib positions.
  • The Source-to-Image Distance for RAO Sternum position is 102 cm.
  • The purpose of the RAO Sternum projection is to visualize the sternum.
  • The top of the image receptor should be placed at the level of the xiphoid process for RAO Sternum position.

Patient Positioning

  • The patient should be positioned upright for the Lateral Projection of the Sternum.
  • The central ray should be aimed at the midpoint of the sternum for the Lateral Projection of the Sternum.
  • The recommended SID for Lateral Projection of the Sternum is 102 cm.
  • The patient should be shielded with a lead apron during rib and sternum x-rays.

Radiographic Projections

  • The PA Sternoclavicular (SC) Joints projection is used to visualize the sternoclavicular joints.
  • The central ray of the X-ray beam should be aimed at the midpoint of the SC joints for the PA Sternoclavicular (SC) Joints projection.
  • The top of the Image receptor should be positioned at the level of the SC joints for AP or PA Unilateral Upper Ribs.
  • The central ray (CR) should enter at the level of the 3rd rib for AP or PA Unilateral Upper Ribs.
  • The structures seen in AP Unilateral Upper Ribs include the upper ribs and SC joints.
  • AP or PA Lower Ribs is also known as a Rib Survey.
  • The recommended exposure for the PA Sternoclavicular (SC) Joints projection is 60-70 kV, 10-15 mAs.
  • The structures visible in the PA Sternoclavicular (SC) Joints projection include the SC joints and the medial ends of the clavicles.
  • There should be no rotation in a bilateral exam of the PA Sternoclavicular (SC) Joints projection.
  • Up to 5° of rotation is allowed in a unilateral exam of the PA Sternoclavicular (SC) Joints projection.
  • The patient should be positioned obliquely for the PA Oblique Sternoclavicular (SC) Joints projection.
  • The central ray of the X-ray beam should enter at the level of the SC joints for the PA Oblique Sternoclavicular (SC) Joints projection.
  • The patient's arms should be positioned at their sides for the PA Oblique Sternoclavicular (SC) Joints projection.
  • The image is always of the affected side in the PA Oblique Sternoclavicular (SC) Joints projection.

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Ribs, Sternum, SC Joints Quiz

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