Ch 6 Thorax

Question 1

Consist of the thoracic vertebrae, sternum, ribs, and costal cartilages?

Answer 1

Bony Thorax

Question 2

Make up the posterior boundary of the thoracic cage?

Answer 2

12 Thoracic Vertebrae

Question 3

Makes up the anterior boundary of the thoracic cage?

Answer 3

The Sternum

Question 4

Has 3 components the manubrium, body and xiphoid process?

Answer 4

Sternum

Question 5

Manubrium articulates w/ the clavicles at the clavicular notch to form what joint?

Answer 5

Sternoclavicular Joints

Question 6

Common landmark located on the superior border of the manubrium at approximately the level of T-2-T3?

Answer 6

Jugular Notch

Question 7

Sternal angle is located at the level of ?

Answer 7

T4 - T5

Question 8

Located at the inferior border of the sternum and site for muscle attachments to include the rectus abdominis & transverse abdominis muscles?

Answer 8

Xiphoid

Question 9

The spaces between adjacent ribs are referred to as.

Answer 9

Intercostal Spaces

Question 10

The facets of the head of the ribs articulate with the vertebral bodies to form the ________

Answer 10

Costovertebral Joints

Question 11

The facets of the tubercles of the ribs articulate with the transverse processes of the vertebrae to form the ?

Answer 11

Costotransverse Joints

Question 12

What ribs contain no neck or tubercle and attach only to the thoracic vertebrae. Known as floating ribs_________

Answer 12

11th & 12th Ribs

Question 13

Do not attach directly to the sternum, known as false ribs ________

Answer 13

8th - 12th Ribs

Question 14

Each lung is lined with a serous membrane or pleura that has 2 layers what are they ________________

Answer 14

Parietal Pleura (Outer Layer) moves thoracic wall & diaphragm

Visceral Pleura (Inner Layer) covers lungs

Question 15

The deep pockets or recesses of the plural cavities are ________

Answer 15

Costomediastinal & Costodiaphragmatic Recesses

Question 16

The lungs have 2 prominent angles what are they ________–

Answer 16

Meidal Angle (Cardiophrenic Sulcus)
Lateral Angle (Costophrenic Sulcus)

Question 17

How many lobes in each lung Rt & Lt ?

Answer 17

Rt Lobe 3 lobes (sup, mid, inf)
Lt Lobe (sup, inf)

Question 18

What bifurcates into the Lt & Rt mainstem (primary) bronchi at the level of T5, location is commonly referred to as the carina ______

Answer 18

Trachea

Question 19

Functional units of the respiratory system ____ where gaseous exchange occurs between alveolar air & capillary blood

Answer 19

Alveoli

Question 20

Bronchi Order

Answer 20

1. Mainstream Bronchi Rt & Lt enter the Hilum
2. Secondary or Lobar Bronchi
3. Tertiary or Segmental Bronchi
4. Bronchi
5. Bronchioles
6. Alveoli

Question 21

How many bronchioles ______

Answer 21

23

Question 22

The tertiary or segmental bronchi extend into this area that have 10 segments in each lung and are functionally independent and can be individually surgically removed
_____________

Answer 22

Bronchopulmonary Segments

Question 23

Basic unit of pulmonary structure and function, it’s the smallest component of lung tissue surrounded by the connective tissue, and it measures approximately 1 - 2 cm

Answer 23

Secondary Pulmonary Lobule

Question 24

Bronchopulmonary Segments Right Lung & Left Lung

Answer 24

Rt Lung Lt Lung
Sup Lobe: 1 -3 1 -3 & 11 - 12
Middle Lobe: 4 -5 N/A
Inf Lobe: 6 - 10 6 - 10

Question 25

A triangular shaped bilobed gland of lymph tissue located behind the manubrium. It is responsible for the development of cellular immunity & produces thymosin that is responsible f/the development & maturation of lymphocytes ___________

Answer 25

Thymus Gland

Question 26

What gland reaches maximum size during puberty and then gradually diminishes in size as we age & is replaced with mediastinal fat ______________

Answer 26

Thymus Gland

Question 27

Are commonly referred to as sentinel lymph nodes because their enlargement alerts MD's to the possibility of malignant disease in the thoracic or abdominal cavities __________

Answer 27

Supraclavicular Lymph Nodes

Question 28

Mediastinal lymph nodes are classified according to their location and are grouped into how many areas or nodal stations _______

Answer 28

14 Regional Nodal Stations

Question 29

A dilated sac or confluence of lymph trunk into which lymph from the intestinal & lumbar lymphatic trunk open __________

Answer 29

Cisterna Chyli

Question 30

The main vessel of the lymph system that drains all the lymph fluid from the tissue below the diaphragm & from the left side of the body above the diaphragm ___________

Answer 30

Thoracic Duct

Question 31

This duct empties into the right subclavian vein and collects lymph from right upper side of the body. IS formed by merging various lymphatic trunks near the right clavicle ______________

Answer 31

Right Lymphatic Duct