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Flashcards in Respiratory anatomy Deck (29):
1

When does the larynx become the trachea?

C6

2

Where is the costal groove of the rib and what is it for?

Inferiorly on the deep surface of the rib
For the intercostal NVB

3

What are the three layers of skeletal muscles between ribs?

External intercostal muscles
Internal intercostal muscles
Innermost intercostal muscles

4

What vein drains the posterior part of the intercostal spaces?

Azygous vein

5

What vessels supply the anterior part of the intercostal spaces?

The internal thoracic artery and veins

6

Where are the internal thoracic artery and veins?

The course vertically, either side of the sternum

7

What are the attachment points of the diaphragm muscle?

The sternum
The lower 6 ribs & costal cartilages
L1-L3 vertebral bodies

8

Which 'dome' of the diaphragm tends to lie superiorly to the other?

The right, due to the presence of the liver

9

How many main bronchi are there?

2

10

How many lobar bronchi are there?

5

11

How many segmental bronchi are there?

10

12

How many lobes does the right lung have?

3

13

How many lobes does the left lung have?

2

14

What part of the respiratory tree is not lined by "respiratory epithelium"?

Bronchioles & alveoli

15

What is "respiratory epithelium"?

Mucous secreting glands
Cilia

16

What part of the respiratory tree is supported by hyaline cartilage?

The trachea & all the bronchi
NOT bronchioles and alveoli

17

What is the most prominent feature of the walls of the bronchioles?

Smooth muscle

18

What does the bony (posterior) part of the nasal septum consist of?

The ethmoid bone (superiorly)
The vomer bone (inferiorly)

19

What forms the floor of the nasal cavity?

The palate

20

What is the roof of the nasal cavity formed by?

The midline part of the anterior cranial fossa

21

What is the palpable part of the larynx?

Thyroid cartilidge

22

What is the cartilage of the posterior larynx?

The 2 arytenoid cartilages

23

What cartilage is inferiorly to the thyroid cartilidge?

The cricoid cartilage

24

What is the narrowest part of the larynx?

Rima glottidis

25

What structure increases the surface area of the nasal cavity?

Conchae

26

What do the tonsils do?

Produce white blood cells

27

Where is the cephalic vein located?

In the delto-pectoral groove

28

Injury to what structures may result in a "winged scapula"?

Serratus anterior - usually through injury to the long thoracic nerve

29

What are the attachment point of the serratus anterior?

Medial border of the scapula
Ribs 1-8