Abdominal Wall Anatomy Quiz

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40 Questions

Which structure separates the abdominal cavity from the pelvic cavity?

Pelvic inlet

Which of the following landmarks separates the anterior abdominal wall from the lower limb?

Inguinal Ligament

Which landmark separates the posterolateral abdominal wall from the gluteal region?

Iliac crest

Which of the following is used to describe the location of abdominal organs and the pain associated with abdominal problems?

Topographical divisions

Which structure in the abdominal wall is formed by the fusion of the internal oblique and transversus abdominis muscles?

Conjoint tendon

Which of the following is not part of the nerve supply of the abdominal wall?

Inguinal ligament

Which of the following is one of the two schemes most often used to describe the abdominal quadrants and regions?

Nine-region pattern

Which plane passes through the umbilicus and the intervertebral disc between LIII and LIV?

Horizontal transumbilical plane

Which plane passes through the pylorus of the stomach and is midway between the jugular notch and the pubic symphysis at the level of LVI/LV2?

Subcostal (Transpyloric)plane

Which fascial layer covers the inner surface of the transversus abdominis muscle?

Transversalis fascia

Which layer of the abdominal wall serves to reinforce the portion of the wall that lacks bony support?

Scarpa's fascia

Which layer of the abdominal wall is continuous over the inguinal ligament with the superficial fascia of the thigh?

Camper's fascia

Which muscle of the anterolateral abdominal wall has its fibers divided by tendinous intersections?

Rectus abdominis

Where do the superficial lymphatics above the umbilicus drain to?

Axillary nodes

Where do the superficial lymphatics below the umbilicus drain to?

Superficial inguinal nodes

Which artery does the deep parasternal node drainage follow back?

internal thoracic artery

Where do the deep upper lymphatics drain to?

Parasternal nodes

Where do the deep lymphatics below the umbilicus drain to?

External Iliac nodes

Which lymph nodes receive drainage from the anterolateral abdominal wall?

All of the above

Which muscles of the anterolateral abdominal wall function in trunk movement, breathing, defecation, and support?

All of the above

What is the origin of the external abdominal oblique muscle?

Lower 8 ribs

What is the insertion of the transversus abdominis muscle?

Rectus sheath (linea alba)

What is the innervation of the muscles of the anterolateral abdominal wall?

Lower 6 intercostal, subcostal, iliohypogastric & ilioinguinal nerves

Which muscle forms an arch over the spermatic cord in males and the round ligament in females?

Internal abdominal oblique

What is the arterial supply of the superior part of the abdominal wall?

Musculophrenic artery

What is the venous drainage of the superficial epigastric veins in the abdominal wall?

Great saphenous vein

What are the landmarks of the abdomen

costal margin (ribs 7-10) Pubic tubercle & ASIS Iliac crest (L4)

What separates the anterior abdominal wall from the lower limbs?

What creates the 4 quadrant pattern of the abdominal wall

Horizontal transumbilical plane (L3-L4) Median Plane (xiphoid process to pubic symphysis)

Match each plane to its corresponding quadrant pattern

Nine region = Midclavicular planes (2) Four region = Horizontal Umbilical Plane (L3-L4) Four region = median plane nine region = subcostal(transpyloric) plane (below rib 10)/ intertubercular plane

Which plane passes through the pylorus of the stomach and is found midway between the jugular notch and the pubic symphysis at L1/L2

Camper's fascia forms dartos fascia as it continues over the scrotum in men

True

Match each muscle to its origin

Rectus abdominis = Pubic crest External abdominal oblique = 8 lower ribs Internal Oblique = lateral 2/3 of inguinal ligament, iliac crest and thoracolumbar fascia Transversus abdominis = lower ribs, lateral 1/3 of inguinal ligament, iliac crest and thoracolumbar fascia

Rectus abdominis inserts into

Where do external oblique, internal oblique and transversus abdominis insert

What is the insertion point of the conjoint tendon?

Pectineal line

Extraperitoneal fascia is anterior to transversalis fascia

False

What is closed in men but has two openings in women where the uterine tubes provide a passage to the outside?

peritoneal cavity

What happens in portal hypertension?

What is Colles' fascia an extension of?

Scarpa's fascia

Test your knowledge of the internal and external structures of the abdominal wall with this quiz. Topics covered include linea alba, rectus abdominis, anterior rectus sheath, transversalis fascia, and more.

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