Intermediate Xiphoid Process Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. The xiphisternal joint is approximately level with which thoracic vertebra?
- T9
- T12
- T5
- T2
Q2. Which structure marks the inferior limit of the central thoracic cavity anteriorly?
- Sternal angle
- Xiphisternal joint
- Sternoclavicular joint
- Jugular notch
Q3. Which structure attaches to the posterior surface of the xiphoid process and separates the thoracic and abdominal cavities?
- Diaphragm
- Pectoralis minor
- Transversus abdominis
- Serratus anterior
Q4. Which muscle inserts onto the anterior aspect of the xiphoid process?
- Quadratus lumborum
- Iliacus
- Psoas minor
- Rectus abdominis
Q5. Which thoracic wall muscle has an attachment to the posterior aspect of the inferior sternum and xiphoid region?
- Levatores costarum
- Serratus posterior superior
- External intercostal
- Transversus thoracis
Q6. What commonly happens to the xiphisternal joint with advancing age?
- It separates completely from the sternum
- It develops a large synovial cavity
- It becomes an intervertebral disc
- It may ossify and fuse
Q7. Which statement about xiphoid morphology is correct?
- It is always completely absent at birth
- It has an identical shape in all adults
- It is always bifid
- Its shape varies considerably among individuals
Q8. Which ligament of the anterior abdominal wall extends superiorly to the xiphoid process?
- Linea alba
- Iliolumbar ligament
- Ligamentum flavum
- Inguinal ligament
Q9. The xiphisternal joint is an important landmark for identifying which feature?
- Inferior end of the sternal body
- First thoracic vertebra
- Superior end of the manubrium
- Aortic bifurcation
Q10. Which structure lies deep to the xiphoid process and can be endangered by excessive posterior displacement of it?
- Sciatic nerve
- Diaphragm
- Spinal cord
- Brachial plexus