ABDOMEN

Question 1

Abdominal Quadrants

Answer 1

1. right upper quadrant
2. left upper quadrant
3. right lower quadrant
4. right lower quadrant

Question 2

Muscles of the Anterolateral Wall

Answer 2

1. External oblique
2. Internal oblique
3. transversus abdominis
4. Rectus abdominis

Question 3

Functions of Muscles of the Anterolateral Abdominal Wall

Answer 3

1. strong expandable support for region
2. protect abdominal viscera
3. compress abdominal viscera
4. produce force for defecation, micturition, vomiting, parturition
5. anterior & lateral flexion and rotation of trunk, maintain posture

Question 4

Aponeurosis

Answer 4

form rectus sheath, interweave to form linea alba

Question 5

Diaphragm

Answer 5

dome shaped
separates thoracic and abdominal cavities
descends during inspiration

Question 6

Parts of Diaphragm

Answer 6

1. Sternal part: attaches to xiphoid process
2. Costal part: forms domes, attaches to internal surfaces of costal cartilages and adjoining ribs
3. Lumbar part: arises from 2 aponeurotic arches, medial & lateral arcuate ligaments, and L1-3

Question 7

Muscles of Posterior Abdomen Wall

Answer 7

1. Psoas major
2. Iliacus
3. Quadratus Lumborum