Intermediate Coccyx Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which coccygeal vertebra is usually the largest and most developed?
- Co4
- Co2
- Co1
- Co3
Q2. Which coccygeal vertebra bears the coccygeal cornua?
- Co3
- Co1
- Co4
- Co2 only
Q3. What type of joint is the sacrococcygeal joint primarily classified as?
- Fibrous suture
- Ball and socket synovial joint
- Secondary cartilaginous joint
- Pivot synovial joint
Q4. Which ligament connects the lateral margin of the sacrum to the transverse process of Co1?
- Inguinal ligament
- Lateral sacrococcygeal ligament
- Iliolumbar ligament
- Superior pubic ligament
Q5. The posterior sacrococcygeal ligaments are comparable to continuations of which vertebral ligaments?
- Ligaments associated with the posterior vertebral column and canal
- Collateral ligaments of the knee
- Annular ligament of the radius
- Ligaments of the shoulder joint
Q6. Which muscle lies on the posterior pelvic wall and attaches partly to the coccyx?
- Pectineus
- Coccygeus
- Rectus abdominis
- Obturator externus
Q7. Which ligament has an attachment to the lateral margins of the coccyx?
- Iliofemoral ligament
- Inguinal ligament
- Transverse acetabular ligament
- Sacrospinous ligament
Q8. Which ligament also has broad attachments involving the coccyx and sacrum?
- Patellar ligament
- Pubofemoral ligament
- Inguinal ligament
- Sacrotuberous ligament
Q9. Why can the coccyx move slightly at the sacrococcygeal joint?
- The sacrococcygeal articulation permits limited flexion and extension
- The coccyx rotates freely around the sacrum
- It is a freely mobile ball and socket joint
- The coccyx has no connection with the sacrum
Q10. Which statement best describes the shape of the coccyx?
- A ring-shaped bone surrounding the rectum
- A flat circular bone
- A triangular bone with a superior base and inferior apex
- A long cylindrical bone