Thoracic Wall & Diaphram

Question 1

What forms the roof and floor of the thoracic cavity

Answer 1

Roof = Subpleural Membrane. Floor = Diaphragm

Question 2

What are the borders of the thoracic cavity

Answer 2

Roof = Subpleural Membrane. Floor = Diaphragm, Anterior = Sternum, Ribs, Costal Cartilage. Posterior = Vertebrae T1-T12

Question 3

What organs are covered the ribs

Answer 3

Kidneys, Liver & Spleen, Upper parts of stomach

Question 4

The covering of the Kidneys, Liver & Spleen, Upper parts of stomach is A: Wholly, B: Partially, C: Can be both

Answer 4

C: Can be both

Question 5

What is the common name given to a 13th rib

Answer 5

Gorilla Rib

Question 6

How many ribs are in the thoracic cavity

Answer 6

12

Question 7

Which are the true ribs

Answer 7

Ribs 1-7 (1st 7 ribs)

Question 8

Which are the names for the last 2 ribs

Answer 8

Floating ribs

Question 9

Why are floating ribs called such

Answer 9

Because they make no contact with the sternum or any other ribs.

Question 10

What is the name of the point at which the Manubrium joins the body of the sternum

Answer 10

Angle of Louis

Question 11

What is the name of the most distal bone of the sternum

Answer 11

Xiphoid Process

Question 12

At what two points of the ribs does the vertebra join with the rib & what is the name of that joint

Answer 12

Head (Costal Head) and Tubercle. Costotransverse Joint

Question 13

What type of joint is a costotransverse joint?

Answer 13

Synovial

Question 14

What forms the costochondral joint

Answer 14

Joint formed between the rib and the costal cartilage

Question 15

Which ribs articulate with the sternum?

Answer 15

Ribs 1-7

Question 16

What type of joint is the xiphisternal and manubriosternal joints

Answer 16

Symphysis

Question 17

Which ribs articulate with their own vertebrae only?

Answer 17

7, 11, 12

Question 18

True or false. For the ribs that do not articulate with their own vertebrae only, their costal heads articulate with the other vertebra on the upper or lower facets?

Answer 18

Upper facet

Question 19

Joint between the vertebrae and the ribs are kept together by what ligament anteriorly

Answer 19

Radiate ligament (Tri-radiate ligament)

Question 20

What does the intracostal ligament hold

Answer 20

Ridges between the vertebra and costal heads

Question 21

Which ligament does the radiate ligament run deep to?

Answer 21

Anterior Longitudinal Ligament

Question 22

What ligament connects the right and left crura

Answer 22

Median acurate ligament

Question 23

what is the origin of the right crus and left crus

Answer 23

Right = L1-L3. Left = L1-L2