Beginner Abdominal Wall Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which three flat muscles form most of the anterolateral abdominal wall?
- External oblique, internal oblique, and transversus abdominis
- Latissimus dorsi, serratus anterior, and diaphragm
- Quadratus lumborum, iliacus, and pectineus
- Rectus abdominis, pyramidalis, and psoas major
Q2. Which vertically oriented muscle lies on each side of the anterior abdominal wall?
- Rectus abdominis
- External oblique
- Transversus abdominis
- Quadratus lumborum
Q3. What is the linea alba?
- A midline fibrous raphe formed by abdominal aponeuroses
- A muscle of the posterior abdominal wall
- A branch of the inferior epigastric artery
- A fold of parietal peritoneum
Q4. Which abdominal muscle has fibers that generally run inferomedially?
- Psoas major
- External oblique
- Transversus abdominis
- Rectus abdominis
Q5. Which abdominal muscle has predominantly transverse fibers?
- Rectus abdominis
- Pyramidalis
- Transversus abdominis
- External oblique
Q6. What is the main function of the rectus sheath?
- It encloses the kidneys
- It forms the diaphragm
- It contains the spinal cord
- It encloses the rectus abdominis and transmits abdominal aponeuroses
Q7. Which structure marks the midline of the anterior abdominal wall?
- Linea semilunaris
- Arcuate line
- Inguinal ligament
- Linea alba
Q8. Which nerves provide much of the segmental motor and sensory supply to the abdominal wall?
- Femoral nerves only
- Lower thoracic anterior rami and L1 branches
- Vagus nerves only
- Phrenic nerves only
Q9. Which vessels are important deep blood supplies to the rectus abdominis?
- Radial and ulnar arteries
- Superior and inferior epigastric arteries
- Anterior and posterior tibial arteries
- Middle meningeal arteries
Q10. What is an important overall action of the abdominal wall muscles?
- Extension of the knee
- Support and compression of abdominal viscera
- Elevation of the mandible
- Abduction of the shoulder