Chest Anatomy

Question 1

A flat band of muscle and connective tissue

Answer 1

Posterior tracheal membrane

Question 2

Tracheal mucosa consist of

Answer 2

Pseudostratified ciliated columnar epithelium

Question 3

Length of trachea;diameter

Answer 3

12cm; 25mm

Question 4

Tracheal coronal to sagittal ratio

Answer 4

> / 0.6:1.0

Question 5

Interface of the right upper lobe with the right lateral tracheal wall

Answer 5

Right Paratracheal stripe <4mm

Question 6

Measurement of tracheoesophageal stripe

Answer 6

Less than 5mm

Question 7

Right maik bronchus vs left main bronchus length

Answer 7

2.2 cm vs 5cm

Question 8

Right bronchial segments; blood supply

Answer 8

RUL: anterior, apical, posterior; RUL pulmonary artery
RML: medial and lateral; proximal right interlobar pulmo artery
RLL: superior and basal(anterior, posterior, lateral and medial); RLL pulmonary artery

Question 9

LEFT LUNGS SEGMENTS and blood supply

Answer 9

LUL: anterior, apicoposterior(upper division of the left main pulmonary artery), superior and inferior lingular segments ( left interlobar pulmonary artery)

LLL: superior and basal (anteromedial, lateral and posterior) LLL pulmonary artery

Question 10

Flattened squamous pneumocyte covering 95% of the alveolar surface area. Incapable of repair or mitosis

Answer 10

Type 1 pneumocyte

Question 11

Rarer cuboidal that are seen on light microscopy and are capable of mitosis. Source of alveolar surfactant

Answer 11

Type 2 pneumocyte

Question 12

Separates the medial basal from the remaining basal segments of the lower lobe. Also responsible for the juxtaphrenic peak described in upper lobe volume loss.

Answer 12

Inferior accessory fissure (10 to 20% of individuals)

Question 13

Separates the superior segment from the basal segments of the lower lobe

Answer 13

Superior accessory fissure

Question 14

Arch formed by the LLL artery over the left hilar bronchi is seen on lateral radiograph

Answer 14

Bronchus is Hyparterial

Question 15

The right interlobar artery courses anterolateral to the bronchus

Answer 15

Bronchus is eparterial

Question 16

Right bronchial artery arises from

Answer 16

Posterolateral wall of the aorta

Question 17

Left bronchial artery arises from

Answer 17

Anterolateral wall of the aorta or rarely from an intercostal artery

Question 18

Perivenous lymphatics and their surrounding connective tissues when distended by fluid account for the radiographic appearance of

Answer 18

Kerley A lines

Question 19

Edema of the axial interstitium os recognized radiographically as

Answer 19

Peribronchial cuffing

Question 20

Edema of the peripheral and subpleural interstitium accounts for the

Answer 20

Kerley B lines

Question 21

Reflects contact of the anterosuperior aspect of the upper lobes

Answer 21

Retrosternal space (anterior junction line)

Question 22

Radiolucent region representing contact of the posterosuperior portions of the upper lobe

Answer 22

Retrotracheal space pr Raider triangle

Question 23

Located between the posterior border of the heart/IVC and the thorwcic spine

Answer 23

Retrocardiac space

Question 24

Thickness of the right paratracheal stripe as measured above the level of the azygous vein

Answer 24

Should not exceed 4mm

Question 25

Azygous venous diameter

Answer 25

<10mm

Question 26

Extends from upper sternum to base of heart

Answer 26

Anterior junction line

Question 27

Extends from upper thoracic spine to level of azygos and aortic arches

Answer 27

Posterior Junction Line

Question 28

Left superior intercostal vein seen on 5% of individuals

Answer 28

Aortic nipple (<5mm)

Question 29

Posterior wall of the bronchus intermedius

Answer 29

Intermediate stem line

Question 30

Vessels that traverses the diaphragmatic hiatus

Answer 30

Aorta, thoracic duct, azygos and hemiazygos veins

Question 31

The esophageal hiatus transmits the

Answer 31

Esophagus and vagus nerve

Question 32

Diaphragm Central tendon

Answer 32

Inferior vena cava T8 Esophagus T10 Descending aorta T12

Question 33

Start-end of trachea

Answer 33

Cricoid(C6-C7) to bifurcation (T4-T5)

Question 34

The thoracic duct begins as a dilated sac called

Answer 34

Cisterna chyli