Gross Anatomy MCQs Database Contents 1. The abdomino-pelvic boundary is level with: 8. The superficial boundary between abdomen and a. the ischiadic spine & pelvic diaphragm thorax does NOT include: b. the arcuate lines of coxal bones & promontorium a. xiphoid process c. the pubic symphysis & iliac crests b. inferior margin of costal cartilages 7-10 d. the iliac crests & promontorium c. inferior margin of ribs 10-12 e. none of the above d. tip of spinous process T12 e. tendinous center of diaphragm 2. The inferior limit of the abdominal walls includes: a. the anterior inferior iliac spines 9. Insertions of external oblique muscle: b. the posterior inferior iliac spines a. iliac crest, external lip c. the inguinal ligament b. pubis d. the arcuate ligament c. inguinal ligament e. all the above d. rectus sheath e. all of the above 3. The thoraco-abdominal boundary is: a. the diaphragma muscle 10. The actions of the rectus abdominis muscle: b. the subcostal line a. increase of abdominal pressure c. the T12 horizontal plane b. decrease of thoracic volume d. the inferior costal rim c. hardening of the anterior abdominal wall e. the subchondral line d. flexion of the trunk e. all of the above 4. Organ that passes through the pelvic inlet occasionally: 11. The common action of the abdominal wall muscles: a. sigmoid colon a. lateral bending of the trunk b. ureters b. increase of abdominal pressure c. common iliac vessels c. flexion of the trunk d. hypogastric nerves d. rotation of the trunk e. uterus e. all the above 5. Organs that pass through the pelvic inlet constantly, 12. The pyramidalis muscle anatomy detail of special EXCEPT: surgical importance: a. sigmoid colon a. is located anterior to the rectus abdominis muscle b. ureters b. receives its blood supply through the rectus c. common iliac vessels abdominis muscle d. hypogastric nerves c. is a weak abdominal flexor e. appendix d. is located inside the rectus sheath e. has a common innervation with the lower part of 6. The pelvic inlet is NOT bounded by: rectus abdominis muscle a. superior margin of pubic symphysis b. superior margin of pubic bones 13. The transverse whitish lines of the rectus abdominis c. arcuate line of coxal bones are named: d. promontory a. arcuate lines e. posterior margin of sacral wings b. linea alba c. semilunar lines 7. The superficial boundary between abdomen and lines of Spiegel pelvis does NOT include: d. e. tendinous intersections a. superior margin of pubic symphysis b. inguinal fold 14. About the cremaster muscle, one is FALSE: c. iliac crest a. is formed by the internal oblique and transverse d. posterior margin of sacral wings abdominal muscles e. tip of spinous process L5 b. well developed in both sexes c. in males it elevates the testicle d. accompanies the spermatic cord in males e. included in the round ligament of uterus in females - 1 - 15. About the pyramidal muscle, one is FALSE: 22. Actions of transverse abdominal muscle bilateral a. is an inconstant muscle contraction, EXCEPT: b. located inside the rectus sheath a. flexion of the trunk c. located anterior to the rectus abdominis muscle b. abdominal press effect d. is short and thin c. visceral protection e. is a flexor of the trunk d. pulls ribs downwards e. elevates the diaphragm 16. Actions of external oblique muscle bilateral contraction, EXCEPT: 23. Anatomical features of the transverse abdominal a. flexion of the trunk muscle, EXCEPT: b. abdominal press effect a. the deepest anterolateral abdominal muscle c. visceral protection b. the thinnest anterolateral abdominal muscle d. accessory expiratory action c. large posterior aponeurosis e. turns the trunk d. large anterior aponeurosis e. proper fascia named fascia transversalis 17. Actions of external oblique muscle unilateral contraction: 24. Costal attachments of the abdominal muscles: a. turns the trunk towards the opposite side a. rectus abdominis: ribs 5-9 b. bends the trunk towards the opposite side b. external oblique: ribs 5-12 c. extends the trunk c. internal oblique: ribs 9-12 d. abdominal press effect d. transverse abdominal: ribs 9-12 e. elevates the ribs e. quadratus lumborum: ribs 10-12 18. Actions of internal oblique muscle bilateral 25. Direction of fibers in anterolateral abdominal contraction, EXCEPT: muscles: a. flexion of the trunk a. rectus abdominis: vertical b. abdominal press effect b. external oblique: oblique from up downwards and c. visceral protection from lateral to medial d. accessory expiratory action c. internal oblique: oblique from down upwards and e. turns the trunk from lateral to medial d. transverse abdominal: horizontal 19. Actions of internal oblique muscle unilateral all the above contraction: e. a. turns the trunk towards the opposite side 26. Innervation of rectus abdominis muscle: b. bends the trunk towards the same side a. intercostal nn. 5-7 c. extends the trunk b. intercostal nn. 7-11 d. abdominal press effect c. intercostal nn. 11-12 e. elevates the ribs d. lumbar nerves 1-3 e. lumbar nerves 2-5 20. Actions of quadratus lumborum muscle, EXCEPT: a. bends the trunk the same side in unilateral 27. Muscle that does NOT contribute to the abdominal contraction press effect: b. fixes the lumbar vertebral column straight in a. rectus abdominis bilateral contraction b. external oblique c. turns the trunk the same side in unilateral c. internal oblique contraction d. transverse abdominal d. weak accessory respiratory action e. quadratus lumborum e. pulls the last rib downwards 28. Nerve supply of the external oblique muscle, EXCEPT: 21. Actions of the rectus abdominis muscle, EXCEPT: a. intercostal nn. 8-11 a. flexion of the trunk b. subcostal n. b. abdominal press effect c. iliohypogastric n. c. visceral protection d. ilioinguinal n. d. accessory expiratory action e. genitofemoral n. e. elevates the ribs by increasing abdominal pressure - 2 - 29. Nerve supply of the internal oblique muscle, EXCEPT: 36. The falx inguinalis is formed by: a. intercostal nn. 8-11 a. the external oblique and rectus abdominis muscles b. subcostal n. b. the internal oblique and rectus abdominis muscles c. iliohypogastric n. c. the internal oblique and transverse muscles d. ilioinguinal n. d. the internal and external oblique muscles e. genitofemoral n. e. the external oblique and transverse muscles 30. Nerve supply of the transverse abdominal muscle, 37. The posterior wall of rectus sheath below umbilicus is EXCEPT: formed by: a. intercostal nn. 8-11 a. internal oblique m. aponeurosis b. subcostal n. b. fascia transversalis c. iliohypogastric n. c. transverse abdominal m. aponeurosis d. ilioinguinal n. d. external oblique m. aponeurosis e. genitofemoral n. e. all of the above 31. Regions covered by the external oblique muscle, 38. About linea alba, one is FALSE: EXCEPT: a. runs between the xiphoid process and the pubic a. lumbar region symphysis b. flank b. is broader at its superior end c. hypochondrium c. includes the umbilical ring d. inguinal region d. is a weak region of the anterior abdominal wall e. hypogastric region e. has a very abundant blood and nerve supply 32. About the quadratus lumborum muscle, one is 39. About the conjoint tendon, one is FALSE: FALSE: a. is also named falx inguinalis a. is a posterior abdominal muscle b. is formed by the anterior aponeurosis of internal b. is a paired, transverse, quadrangular muscle oblique and transverse abdominal muscles c. located anterior to the erector spinae muscle c. inserts on the pubic crest and pectineal line d. located posterolateral to the psoas major muscle d. strengthens the superficial inguinal ring posteriorly e. is innervated from the lumbar plexus e. runs downwards and lateral 33. Contents of the rectus abdominis sheath, EXCEPT: 40. About the dependencies of the external oblique a. rectus abdominis m. aponeurosis: b. pyramidalis m. a. the lateral crus inserts on the pubic symphysis c. superior epigastric vessels b. the medial crus inserts on the pubic tubercle d. inferior epigastric vessels c. the medial crus is continued by the lacunar e. median umbilical lig. ligament of Gimbernat d. the lacunar ligament is continued by the pectineal 34. Linea semilunaris is formed by anterior aponeurosis ligament of Cooper of: e. the reflected ligament continues the pectineal a. external oblique m. ligament b. internal oblique m. c. transverse abdominal m. 41. About the fascia transversalis, one is FALSE: d. all the above a. inserts on the iliac crest e. none of the above b. inserts on the anterior margin of the inguinal ligament 35. The anterior wall of rectus sheath below umbilicus inserts on the pectineal line does NOT include: c. d. runs posterior to the rectus abdominis muscle a. external oblique m. aponeurosis e. contributes to the formation of linea alba b. internal oblique m. aponeurosis c. transverse abdominal m. aponeurosis d. rectus abdominis fascia e. fascia transversalis - 3 - 42. About the inguinal ligament, one is FALSE: 48. The arcuate line of Douglas is: a. is also named the ligament of Poupart a. the boundary between the thick and thin parts of the b. is attached to the pubic tubercle anterior layer of rectus sheath c. is attached to the anterior superior iliac spine b. the boundary between the thick and thin parts of the d. has the shape of half of an empty cylinder with the posterior layer of rectus sheath concavity downwards c. the place of fusion between the two layers of the e. is a dependency of the external oblique rectus sheath aponeurosis d. the place of fusion of the anterior aponeurosis of the antero-lateral abdominal muscles 43. About the semilunar line, one is FALSE: e. a weak area of the anterior abdominal wall a. is also named Spiegel's line b.