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
-Subclavius
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