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ANAT 380 Module 2 Abdomen Questions and Correct Answers/ Latest Update / Already Graded

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9 regions of anterior abdominal wall Ans: 1. epigastric region 2. umbilical region 3. hypogastric region 4. left hypochondriac region 5. left lumbar region 6. left inguinal region 7. right hypochondriac region 8. right lumbar region 9. right inguinal region 9 layers of abdomen Ans: 1. skin 2. superficial fascia 3. investing fascia 4. external oblique 5. internal oblique 6. transversus abdominis Page | 2 All rights reserved © 2025/ 2026 | 7. transversalis fascia 8. extraperitoneal fat 9. parietal peritoneum two layers of superficial fascia Ans: outer layer (fatty camper's fascia) Inner layer (membranous scarpa's fascia) rectus sheath location and function Ans: layer of fascia enveloping rectum abdominis protective layer in anterior abdominal wall Tendinous rectus sheath components and encloses Ans: Internal ob

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ANAT 380 Module 2 Abdomen Questions
and Correct Answers/ Latest Update /
Already Graded
9 regions of anterior abdominal wall

Ans: 1. epigastric region
2. umbilical region
3. hypogastric region
4. left hypochondriac region
5. left lumbar region
6. left inguinal region
7. right hypochondriac region
8. right lumbar region
9. right inguinal region


9 layers of abdomen

Ans: 1. skin
2. superficial fascia
3. investing fascia
4. external oblique
5. internal oblique
6. transversus abdominis


All rights reserved © 2025/ 2026 |

, Page |2


7. transversalis fascia
8. extraperitoneal fat
9. parietal peritoneum


two layers of superficial fascia

Ans: outer layer (fatty camper's fascia)
Inner layer (membranous scarpa's fascia)


rectus sheath location and function

Ans: layer of fascia enveloping rectum abdominis
protective layer in anterior abdominal wall


Tendinous rectus sheath components and encloses

Ans: Internal obliques, external obliques and trans versus
abdominis becoming aponeurotic
Encloses rectum abdominis muscles


Linea alba

Ans: Midline where rectum sheaths converge




All rights reserved © 2025/ 2026 |

, Page |3

Aponeurotic

Ans: Flat sheath of tendon like material that anchors muscle or
connects it with part that muscle moves


Anterior abdominal arterial supply; 2 arteries and location

Ans: Two arteries in rectus sheath posterior to rectus
abdominis muscle
Superior epigastric artery
Inferior epigastric artery


Superior epigastric artery

Ans: Terminal branch of internal thoracic (mammary) artery
Enters rectum sheath posteriorly and anastomoses with inferior
epigastric artery


Inferior epigastric artery

Ans: Branch of external iliac artery


2 lymph node groups that drain anterior abdominal wall and lymph
nodes included in them




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