Intermediate Pubococcygeus Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which description best identifies the position of pubococcygeus within levator ani?
- Superior portion of piriformis
- Posterior part of coccygeus
- Anterior and medial portion of levator ani
- Lateral portion of obturator internus
Q2. Which structure lies lateral to the levator ani and is covered by fascia that contributes to its tendinous arch?
- Obturator internus
- External anal sphincter
- Puborectalis
- Gluteus maximus
Q3. Which specialized fibers of pubococcygeus are associated with the prostate in males?
- Coccygeus
- Puborectalis
- Puboprostaticus
- Iliococcygeus
Q4. Which specialized fibers of pubococcygeus are associated with the vagina in females?
- Iliococcygeus
- Piriformis
- Puboprostaticus
- Pubovaginalis
Q5. Which specialized portion of pubococcygeus is associated with the anal canal?
- Puboanalis
- Obturator internus
- Iliococcygeus
- Puboprostaticus
Q6. How does contraction of pubococcygeus contribute to pelvic floor function?
- It laterally rotates the femur
- It elevates and supports the pelvic floor
- It depresses the pelvic floor during coughing
- It extends the lumbar spine
Q7. During coughing, what role does pubococcygeus play?
- It relaxes to enlarge the pelvic outlet
- It constricts the internal iliac artery
- It helps resist downward displacement of pelvic viscera
- It laterally rotates the sacrum
Q8. Compared with puborectalis, which function is more characteristic of pubococcygeus?
- Formation of the lateral pelvic wall
- Lateral rotation of the thigh
- Formation of the principal anorectal sling
- Broad support and elevation of the pelvic floor
Q9. Which statement best describes the relationship between pubococcygeus and pelvic continence mechanisms?
- It maintains continence by closing the ureters
- It controls continence by constricting pelvic arteries
- It supports pelvic outlets and contributes to continence
- It has no functional relationship to continence
Q10. Why is resting tone of pubococcygeus important?
- It maintains blood pressure in pelvic arteries
- It provides continuous support for pelvic viscera
- It maintains extension of the hip
- It prevents movement of the sacroiliac joint