Week 11 Anatomy Practice PDF

1. **Which nerve is the largest in the body?** - a) Pudendal nerve - b) Sciatic nerve - c) Superior gluteal nerve - d) Inferior gluteal nerve 2. **The sacral plexus is formed by which of the following ventral rami?** - a) L4, L5, S1-S4 - b) L2-L5, S1-S3 - c) L5, S1-S3, S5 - d) L1-L4...

1. **Which nerve is the largest in the body?** - a) Pudendal nerve - b) Sciatic nerve - c) Superior gluteal nerve - d) Inferior gluteal nerve 2. **The sacral plexus is formed by which of the following ventral rami?** - a) L4, L5, S1-S4 - b) L2-L5, S1-S3 - c) L5, S1-S3, S5 - d) L1-L4, S1-S3 3. **Which of the following nerves supplies the gluteus maximus muscle?** - a) Superior gluteal nerve - b) Inferior gluteal nerve - c) Sciatic nerve - d) Pudendal nerve 4. **Where does the gluteus maximus muscle originate?** - a) Anterior surface of the sacrum - b) Outer surface of the ilium  - c) Posterior surface of the sacrum and coccyx - d) Anterior inferior iliac spine 5. **Which muscle is responsible for lateral rotation of the thigh at the hip joint?** - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) Piriformis 6. **The superior gluteal nerve is formed by fibers from the posterior divisions of which ventral rami?** - a) L2-L4 - b) L4-S1 - c) L5-S2 - d) S1-S3 7. **Which nerve supplies the gluteus medius and minimus muscles?** - a) Sciatic nerve - b) Inferior gluteal nerve - c) Superior gluteal nerve - d) Pudendal nerve 8. **Where does the tensor fasciae latae muscle originate?** - a) Posterior surface of the sacrum - b) Outer edge of the iliac crest - c) Anterior superior iliac spine  - d) Ischial tuberosity 9. **Which muscle is an important landmark in the gluteal region?** - a) Piriformis - b) Obturator internus - c) Superior gemellus - d) Inferior gemellus 10. **The sciatic nerve emerges from the pelvis through which foramen?** - a) Lesser sciatic foramen - b) Greater sciatic foramen - c) Obturator foramen - d) Femoral foramen 11. **Which muscle lies deep to the gluteus medius?** - a) Gluteus maximus - b) Gluteus minimus - c) Tensor fasciae latae - d) Piriformis 12. **The posterior cutaneous nerve of the thigh supplies which area?** - a) Skin of the superior part of the gluteal region - b) Skin of the medial part of the gluteal region - c) Skin of the inferior part of the gluteal region - d) Skin of the lateral part of the thigh 13. **The nerve to obturator internus supplies which muscles?** - a) Gluteus maximus and medius - b) Obturator internus and superior gemellus - c) Piriformis and quadratus femoris - d) Inferior gemellus and quadratus femoris 14. **Which artery is a branch of the internal iliac artery and supplies the gluteal region?** - a) Femoral artery - b) Superior gluteal artery - c) External iliac artery - d) Obturator artery 15. **Which nerve is formed by fibers from the anterior divisions of L4-S1?** - a) Sciatic nerve - b) Inferior gluteal nerve - c) Nerve to quadratus femoris - d) Superior gluteal nerve 16. **The inferior gluteal nerve supplies which muscle?** - a) Gluteus medius - b) Gluteus minimus - c) Gluteus maximus - d) Tensor fasciae latae 17. **Which muscle inserts into the iliotibial tract?** - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) Tensor fasciae latae 18. **The pudendal nerve is formed by fibers from which ventral rami?** - a) L4-S1 - b) S2-S4 - c) L5-S3 - d) S1-S3 19. **The gluteus medius muscle is responsible for which action?** - a) Lateral rotation of the thigh - b) Extension of the thigh - c) Abduction and medial rotation of the thigh - d) Flexion of the thigh 20. **The sacral plexus lies against which structure?** - a) Anterior pelvic wall - b) Posterior pelvic wall - c) Lateral pelvic wall - d) Medial pelvic wall 21. **Which nerve passes through the lesser sciatic foramen?** - a) Sciatic nerve - b) Pudendal nerve - c) Superior gluteal nerve - d) Inferior gluteal nerve 22. **Which muscle originates from the pelvic surface of the obturator membrane?** - a) Piriformis - b) Obturator internus - c) Superior gemellus - d) Inferior gemellus 23. **Which nerve supplies the quadratus femoris muscle?** - a) Nerve to quadratus femoris - b) Nerve to obturator internus - c) Inferior gluteal nerve - d) Superior gluteal nerve 24. **Where does the inferior gemellus muscle originate?** - a) Ischial spine - b) Ischial tuberosity - c) Greater trochanter - d) Lesser trochanter 25. **The gluteus maximus provides stability to which joint via the iliotibial tract?** - a) Hip joint - b) Knee joint - c) Ankle joint - d) Sacroiliac joint 26. **Which muscle helps with flexion, abduction, and medial rotation of the thigh at the hip joint?** - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) Tensor fasciae latae 27. **Which nerve supplies the skin of the inferolateral part of the gluteal region?** - a) Superior clunial nerves - b) Medial clunial nerves - c) Inferior clunial nerves - d) Lateral cutaneous nerve of the thigh 28. **The superior gemellus muscle inserts into which structure?** - a) Lesser trochanter - b) Greater trochanter - c) Iliotibial tract - d) Gluteal tuberosity 29. **Which artery accompanies the pudendal nerve through the gluteal region?**  - a) Superior gluteal artery - b) Inferior gluteal artery - c) Internal pudendal artery - d) External iliac artery 30. **Which muscle originates from the outer (gluteal) surface of the ilium between the anterior and inferior gluteal lines?** - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) Tensor fasciae latae 31. **Which nerve passes through the greater sciatic foramen superior to the piriformis?** - a) Sciatic nerve - b) Superior gluteal nerve - c) Inferior gluteal nerve - d) Pudendal nerve 32. **The nerve to quadratus femoris supplies which joint?** - a) Knee joint - b) Hip joint - c) Ankle joint - d) Sacroiliac joint 33. **Which muscle is responsible for the prominence of the buttock?**  - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) Tensor fasciae latae 34. **The sciatic nerve divides into which two nerves?** - a) Tibial and common fibular nerves - b) Superior and inferior gluteal nerves - c) Pudendal and obturator nerves - d) Femoral and obturator nerves 35. **Which muscle assists the gluteus maximus in extending the thigh?** - a) Gluteus medius - b) Gluteus minimus - c) Tensor fasciae latae - d) Piriformis 36. **Where does the superior gemellus muscle originate?** - a) Ischial spine - b) Ischial tuberosity - c) Greater trochanter  - d) Lesser trochanter 37. **The inferior clunial nerves are branches of which nerve?** - a) Femoral nerve - b) Obturator nerve - c) Posterior cutaneous nerve of the thigh - d) Sciatic nerve 38. **The pudendal nerve re-enters the pelvis through which foramen?** - a) Greater sciatic foramen - b) Lesser sciatic foramen - c) Obturator foramen - d) Femoral foramen 39. **Which muscle lies directly above the piriformis in the gluteal region?** - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) Tensor fasciae latae 40. **Which structure passes through both the greater and lesser sciatic foramina?** - a) Sciatic nerve - b) Pudendal nerve  - c) Obturator internus muscle - d) Superior gluteal artery 41. **Which muscle inserts into the upper border of the greater trochanter?** - a) Piriformis - b) Obturator internus - c) Superior gemellus - d) Inferior gemellus 42. **The sciatic nerve is formed by which ventral rami?** - a) L2-L4 - b) L4-S3 - c) L5-S4 - d) S1-S5 43. **Which artery supplies the gluteus maximus muscle?** - a) Superior gluteal artery - b) Inferior gluteal artery - c) Internal pudendal artery - d) Obturator artery 44. **The nerve to obturator internus innervates which muscle?** - a) Piriformis - b) Quadratus femoris - c) Superior gemellus - d) Inferior gemellus 45. **Which muscle forms the floor of the femoral triangle?** - a) Pectineus - b) Iliopsoas - c) Adductor longus - d) Sartorius 46. **Where does the piriformis muscle insert?** - a) Lesser trochanter - b) Greater trochanter - c) Iliotibial tract - d) Gluteal tuberosity 47. **The gluteus minimus is located deep to which muscle?** - a) Gluteus maximus - b) Gluteus medius - c) Tensor fasciae latae - d) Piriformis 48. **Which muscle originates from the anterior surface of the sacrum?** - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) Piriformis 49. **The sciatic nerve innervates all of the following muscles except:** - a) Biceps femoris - b) Semitendinosus - c) Semimembranosus - d) Gluteus maximus 50. **Which artery passes superior to the piriformis muscle?** - a) Superior gluteal artery - b) Inferior gluteal artery - c) Internal pudendal artery - d) External iliac artery 51. **The pudendal nerve innervates which of the following?** - a) Gluteus maximus - b) Gluteus medius - c) Gluteus minimus - d) External anal sphincter 52. **The inferior gluteal artery is a branch of which artery?** - a) External iliac artery - b) Internal iliac artery - c) Femoral artery - d) Obturator artery 53. **Which nerve innervates the superior gemellus muscle?** - a) Nerve to obturator internus - b) Nerve to quadratus femoris - c) Inferior gluteal nerve - d) Superior gluteal nerve 54. **Which structure does not pass through the greater sciatic foramen?** - a) Sciatic nerve - b) Superior gluteal artery - c) Pudendal nerve - d) Femoral nerve 55. **The sciatic nerve passes below which muscle as it exits the pelvis?** - a) Gluteus maximus - b) Gluteus medius - c) Piriformis - d) Tensor fasciae latae 56. **Which artery supplies the deep gluteal muscles?** - a) Superior gluteal artery - b) Inferior gluteal artery - c) Internal pudendal artery - d) External iliac artery 57. **The piriformis muscle separates which two structures?**  - a) Superior and inferior gluteal nerves - b) Superior and inferior gemellus muscles - c) Gluteus maximus and medius - d) Gluteus medius and minimus 58. **Which nerve innervates the inferior gemellus muscle?** - a) Nerve to obturator internus - b) Nerve to quadratus femoris - c) Inferior gluteal nerve - d) Superior gluteal nerve 59. **Which muscle is responsible for medial rotation and abduction of the thigh?** - a) Gluteus maximus - b) Gluteus medius - c) Piriformis - d) Quadratus femoris 60. **The sciatic nerve bifurcates at which anatomical landmark?** - a) Popliteal fossa - b) Adductor hiatus - c) Inguinal ligament - d) Greater trochanter 61. **Which structure lies directly anterior to the sacral plexus?** - a) Iliopsoas muscle  - b) Piriformis muscle - c) Pectineus muscle - d) Iliacus muscle 62. **The superior clunial nerves are branches of which spinal nerves?** - a) Lumbar nerves - b) Sacral nerves - c) Coccygeal nerves - d) Thoracic nerves 63. **Which muscle originates from the ischial tuberosity?** - a) Gluteus maximus - b) Gluteus medius - c) Piriformis - d) Inferior gemellus 64. **The sacral plexus is located on the anterior surface of which muscle?** - a) Iliopsoas - b) Piriformis - c) Gluteus medius - d) Quadratus femoris 65. **Which nerve supplies the skin of the posterior thigh?** - a) Posterior cutaneous nerve of the thigh - b) Superior clunial nerve - c) Inferior clunial nerve  - d) Lateral cutaneous nerve of the thigh 66. **The gluteus maximus muscle inserts into which structure?** - a) Lesser trochanter - b) Greater trochanter - c) Iliotibial tract and gluteal tuberosity - d) Medial epicondyle of the femur 67. **Which muscle is innervated by the femoral nerve?** - a) Gluteus maximus - b) Sartorius - c) Tensor fasciae latae - d) Piriformis 68. **Which nerve exits the pelvis through the obturator foramen?** - a) Sciatic nerve - b) Obturator nerve - c) Pudendal nerve - d) Femoral nerve 69. **The nerve to quadratus femoris is a branch of which ventral rami?** - a) L4-S1 - b) L2-L4 - c) L5-S2 - d) S1-S3 70. **Which artery supplies blood to the external anal sphincter?** - a) Superior gluteal artery - b) Inferior gluteal artery - c) Internal pudendal artery - d) External iliac artery ### Answer Key 1. b 2. a 3. b 4. c 5. d 6. b 7. c 8. c 9. a 10. b 11. b 12. c 13. b 14. b 15. c 16. c 17. a 18. b 19. c 20. b 21. b 22. b 23. a 24. b 25. b 26. d 27. c 28. b 29. c 30. c 31. b 32. b 33. a 34. a 35. d 36. a 37. c 38. b 39. b 40. c 41. a 42. b 43. b 44. c 45. a 46. b 47. b 48. d 49. d 50. a 51. d 52. b 53. a 54. d 55. c 56. b 57. a 58. b 59. b 60. a 61. b 62. a 63. d 64. b 65. a 66. c 67. b 68. b 69. a 70. c Feel free to use diagrams or images from the notes for specific questions where labeling is required. 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