Lungs+ Thoracic Anatomy

Question 1

What does the bony thorax consist of?

Answer 1

Sternum, ribs, thoracic vertebrae

Question 2

What makes up the sternum?

Answer 2

Manubrium , body, xiphisternum

Question 3

Describe the categories of ribs 1- 12

Answer 3

7 pairs true
3 pairs false
2 pair floating

Question 4

What makes up the thoracic vertebrae?

Answer 4

Body, foramen, transverse process, spinous process, Lamina, pedicle, vertebral arch

Question 5

What accessory muscles are involved in forced respiration?

Answer 5

Pectoralis major, pectoralis minor, serratus anterior, sternolleidmastoid, scalenes

Question 6

How many lobes does the right lung have?

Answer 6

3

Question 7

How many lobes does the left lung have?

Answer 7

2

Question 8

Where does the conducting zone end

Answer 8

Terminal bronchioles

Question 9

What is a costal facet?

Answer 9

Site of connection between a rib and a vertebrae

Question 10

What does the head of the rib articulate to?

Answer 10

Body of the thoracic Verterbrae

Question 11

What does the turbercle articulate to?

Answer 11

Transverse process of the TV

Question 12

Which way do the external intercostals run?

Answer 12

.fibres run downward and forwards

Question 13

What way do internal intercostals run?

Answer 13

Fibres run downwards and backwards

Question 14

Posterior intercostal arteries arise from

Answer 14

Thoracic aorta

Question 15

Anterior intercostal arteries arise from

Answer 15

Internal thoracic or musculophrenic

Question 16

Posterior intercostal veins drain into

Answer 16

Azygos system

Question 17

Anterior intercostal veins drain into

Answer 17

Internal thoracic or musculophrenic

Question 18

What does the diaphragm do

Answer 18

Separates thorax from abdomen

Question 19

The diaphragm is attached to

Answer 19

Xiphisternum, costal margin, 11th+12th ribs and lumbar vertebrae

Question 20

What are the openings in the diaphragm for?

Answer 20

Inferior vena cava, oesophagus and aorta

Question 21

The diaphragm is a

Answer 21

Done shaped skeletal muscle with a central tendon

Question 22

The diaphragm is innervated by

Answer 22

The phrenic nerve

Question 23

Where does the apex of the lungs lie?

Answer 23

Above the clavicle

Question 24

Where does the base of the lungs sit?

Answer 24

On the diaphragm

Question 25

The costal surface of the lungs

Answer 25

Lies adjacent to the ribs

Question 26

The mediastinal surface of the lungs

Answer 26

Faces the mediastinum

Question 27

Name the 3 lobes in the right lungs?

Answer 27

Superior, middle, inferior

Question 28

The oblique fissure runs

Answer 28

Between the superior and inferior lobes

Question 29

The horizontal fissure

Answer 29

His between the superior + middle lobes

Question 30

The 2 physical properties of the lungs are?

Answer 30

Compliance + elasticity

Question 31

Compliance of the lungs is affected by

Answer 31

Connective tissue structure, level of surfactant, mobility of thoracic cage

Question 32

The pleura is

Answer 32

A double layered serous membrane

Question 33

The visceral pleura adheres to the

Answer 33

Lung

Question 34

The parietal pleura attaches to

Answer 34

The thoracic wall and diaphragm

Question 35

The functions of the pleura are?

Answer 35

Reduce friction when breathing
Create preside gradient to assist in ventilation
.compartmentalises each lung therefore reduces spread of infection

Question 36

C3,4,5

Answer 36

Keep the diaphragm Alive.

Question 37

What level does the inferior vena cava pass through the diaphragm?

Answer 37

T8

Question 38

At what level does the oesophagus pass through the diaphragm

Answer 38

T10

Question 39

At what level does the aorta pass through the diaphragm?

Answer 39

T12

Question 40

Is the diaphragm more superior anteriorly or posteriorly?

Answer 40

Anteriorly