Beginner Pelvic Brim Quiz

Q1. What does the pelvic brim separate?

• The greater pelvis from the lesser pelvis
• The abdomen from the thorax
• The perineum from the thigh
• The sacrum from the coccyx

Q2. The pelvic brim defines the margin of which opening?

• Pelvic outlet
• Obturator foramen
• Greater sciatic foramen
• Pelvic inlet

Q3. Which landmark forms the posterior midline part of the pelvic brim?

• Ischial spine
• Coccygeal apex
• Sacral hiatus
• Sacral promontory

Q4. Which line on the ilium contributes to the pelvic brim?

• Inferior gluteal line
• Posterior gluteal line
• Anterior gluteal line
• Arcuate line

Q5. Which part of the pubis contributes to the pelvic brim?

• Pecten pubis
• Obturator groove
• Inferior pubic ramus
• Symphyseal surface

Q6. Which part of the sacrum contributes to the pelvic brim lateral to the sacral promontory?

• Sacral hiatus
• Median sacral crest
• Sacral cornua
• Sacral alae

Q7. Which part of the pelvis lies above the pelvic brim?

• Greater pelvis
• Perineum
• Lesser pelvis
• Pelvic outlet

Q8. Which part of the pelvis lies below the pelvic brim?

• Abdominal cavity only
• Lumbar region
• Lesser pelvis
• Greater pelvis

Q9. What is the continuous bony line forming the margin of the pelvic inlet commonly called?

• Iliopectineal eminence
• Linea aspera
• Linea terminalis
• Gluteal line

Q10. Why is the pelvic brim especially important in obstetric anatomy?

• It defines the pelvic inlet
• It forms the acetabulum
• It forms the pelvic floor
• It encloses the obturator canal