Thorax

Question 1

Identify this structure:

Answer 1

trachea

Question 2

Identify the structure that the orange line is going through.

Answer 2

trachea

Question 3

Identify this structure:

Answer 3

bifurcation of the trachea

Question 4

Identify this structure:

Answer 4

trachea

Question 5

Where is the tracheal bifurcation located?

Answer 5

1/3 down from the dorsal lung to the cardiac apex

Question 6

Is a right bend in the trachea normal?

Answer 6

Yes, it is commonly seen in bullies, beagles, and shit tzus

Question 7

In what view is it easiest to see the cranial vena cava?

Answer 7

in the ventrodorsal view

Question 8

In what view is it easiest to see the caudal lobar pulmonary vessels?

Answer 8

dorsoventral

Question 9

What is in the heart?

Answer 9

the pacemaker

Question 10

Where is the pulmonary mass located?

Answer 10

left caudal lung lobe

Question 11

What is this?

Answer 11

pneumothorax

Question 12

What is located here?

Answer 12

right atrium

Question 13

Identify this structure:

Answer 13

right ventricle

Question 14

Identify this structure:

Answer 14

left atrium

Question 15

Identify this structure:

Answer 15

left ventricle

Question 16

Where does the left atrium sit in lateral views?

Answer 16

just ventral to the mainstem bronchi

Question 17

Where are veins usually located in a lateral radiograph?

Answer 17

ventral

Question 18

Where are veins usually located in a DV or VD radiograph?

Answer 18

central

Question 19

Where does the left atrium sit in DV or VDs?

Answer 19

between the mainstem bronchi to the caudal lung lobes

Question 20

What is this?

Answer 20

fat halo

Question 21

Identify this structure:

Answer 21

aorta

Question 22

Identify this structure:

Answer 22

thymus

Question 23

Identify this structure:

Answer 23

thymus

Question 24

Identify this structure:

Answer 24

right atrium

Question 25

Identify this structure:

Answer 25

pulmonary artery

Question 26

Identify this structure:

Answer 26

left atrium

Question 27

Identify this structure:

Answer 27

aorta

Question 28

Identify this structure:

Answer 28

left ventricle

Question 29

Identify this structure:

Answer 29

aorta

Question 30

What is identified by the purple line?

Answer 30

caudal vena cava

Question 31

Identify this structure:

Answer 31

cat esophagus

Question 32

Which lung lobes wrap around the midline

Answer 32

both right and left cranial lung lobes

Question 33

The tip of what lung lobe wraps across the midline and what species is it common in?

Answer 33

left cranial lung lobe tip in the dog more than the cat

Question 34

What is positional atelectasis?

Answer 34

The idea that the amount of air in the lungs helps to determine the opacity or attenuation of the lungs as seen on x-ray or CT

Question 35

What is transient positional atelectasis?

Answer 35

it occurs when the dog is in dorsal recumbancy, the dorsal aspect of the lung is not filled but can be fixed if the dog is put in a different position

Question 36

Generally, where will a dogs heart be if it is deep chested?

Answer 36

the heart silhouette will be more vertical/upright on the lateral view; cardiac width in the lateral view is 2.5-3.5

Question 37

About how many intercostal spaces is between the apex of the heart and the diaphragm in the cat?

Answer 37

one

Question 38

How does the cardiac silhouette of the cat compare to the dog?

Answer 38

generally it is more narrow and takes up 1/3 of the thorax

Question 39

How do you measure the vertebral heart score?

Answer 39

count the vertebrae back from T4 to measure both the length from bifurcation of the trachea down to the apex of the heart, perpendicular width at the atria and ventricle interface; add the lengths to get your score

Question 40

Where is the thymus generally located in radiographs?

Answer 40

located in the cranioventral mediastinum adjacent to the pericardial sac

Question 41

At the 9th rib, what is the size of the pulmonary vessels?

Answer 41

no larger than the 9th rib

Question 42

In a right lateral view, where is the caudal vena cava seen?

Answer 42

directly in the center

Question 43

In the left lateral view, where can the fundus be seen?

Answer 43

dorsal to the caudal vena cava