Anatomy week 12

Question 1

What is the shape of the Axilla and where is it located

Answer 1

• Pyramid-shaped region
  -Located between the upper arm and the lateral thoracic wall

Question 2

Name all the boundaris of the axilla

Answer 2

• Apex
  -Base(floor)
  -Anterior wall
  -Posterior wall
  -Medial wall
  -Lateral wall

Question 3

Name the four walls of the axilla

Answer 3

-Anterior wall
-Posterior wall
-Medial wall
-Lateral wall

Question 4

What are the contents of the Axilla

Answer 4

-Axillary artery and its branches.
-Axillary vein and its tributaries.
-Axillary lymph nodes
- Axillary fat

Question 5

What are the contents of the Axilla embedded in

Answer 5

Fat

Question 6

Name the muscles that form Anterior and posterior wall of the Axilla

Answer 6

Anterior wall:
- Pectoralis Major
-Pectoralis Minor
Posterior wall:
- Subscapularis
-Latissiums dorsi
-Teres major muscles

Question 7

What is the muscles that form the Medial and lateral wall fo the Axilla

Answer 7

Medial + lateral walls formed by:
-Lateral throacic wall and the humerus of the arm

Question 8

How are Axillary Lymph nodes are grouped

Answer 8

• They are grouped based on their relationship to the pectoralis minor muscle
• Consists of 4 -7 Large nodes in each group

Question 9

Name the nodes that the Lower Axillary group contains

Answer 9

• Pectoral Nodes
  -Subscapular Nodes
  -Humeral Nodes
  -Central Nodes

Question 10

Name the nodes in the Middle Axillary Group

Answer 10

-Interpectoral Nodes

Question 11

Name the nodes in the Upper Axillary group

Answer 11

• Apical Nodes

Question 12

Name the different joints in the wrist

Answer 12

• Metacarpophalangel joints
  -Radiocarpal joint
  -Intercarpal joints
  -Carpometacarpal joints
  -Midcarpal joint
  -Interphalangeal Joints

Question 13

What is the radiocarpal joint formed by

Answer 13

The :
-distal radius
-articular disk
-Scaphoid
-Lunate bones

Question 14

Where is the intercarpal joint located

Answer 14

• Between carpal bones within each row

Question 15

Where is the Midcarpal joint

Answer 15

• Between the proximal and distal carpal rows

Question 16

What types of joints are carpometacarpal joints

Answer 16

• Synovial joints

Question 17

Where are carpometacarpal joints located

Answer 17

• Between distal carpal bones and metacarpals

Question 18

What type of joints are interphalangeal joints

Answer 18

• Synovial joints

Question 19

Where are interphalangeal located

Answer 19

Between the phalanges

Question 20

What types of joints are metacarpophalangeal joints

Answer 20

• Condyloid Synovial joints

Question 21

What is the anatomic Snuffbox

Answer 21

• Small triangular depression on the radial side of the wrist

Question 22

How many dorsal compartments of the posterior wrist are their

Answer 22

• 6

Question 23

Name 2 of the tunnels in the wrist

Answer 23

-Carpal tunnel
-Ulnar tunnel

Question 24

What are boundaries of the carpal tunnel

Answer 24

• Carpal bones
  -Flexor retinaculum

Question 25

What are the boundaries of the Ulnar tunnel

Answer 25

- Flexor retinaculum -Palmar carpal ligament

Question 26

What does Ulna nerve compression affect

Answer 26

Most intrinsic hand muscles

Question 27

What are the symptoms of Ulna nerve compression

Answer 27

-Claw hands

Question 28

What causes Carpal tunnel syndrome

Answer 28

- Swelling,inflammation

Question 29

What are the symptoms of Carpal Tunnel syndrome

Answer 29

- Weakness and atropy of thenar muscles

Question 30

Where does the interpectoral nodes drain into

Answer 30

Apical nodes

Question 31

Where do the apical nodes receive lymph from

Answer 31

Central nodes

Question 32

What does the Apex as a boundary of the axilla contain

Answer 32

Cervicoaxillary canal

Question 33

What does the Base(floor) as a boundary of the axilla contain

Answer 33

Axillary fascia and Axillary skin