Thorax

Question 1

Nodal Locations

SA Node
AV Node

Answer 1

Junction of SVC and RA

Question 2

Lung & Pleural limits?

MCL
MAL
Side of vertebral column

Answer 2

Lung: 6-8-10
Pleura: 8-10-12

Question 3

Blood Supply:

Intercostal Artery: Posterior, Anterior

Answer 3

Posterior: Thoracic Aorta
Anterior: Internal Mammary (Upper six), Musculophrenic (rest)

Question 4

Thoracentesis

Where? Layer

Answer 4

8th ICS MAL

Skin > Superficial Fascia > External IC > Internal IC > Innermost IC > Parietal Pleura

Question 5

Intercostal Muscles Actions

External
Internal
Innermost

Answer 5

External: elevate
Internal: depress
Innermost: elevate

Question 6

Muscle divided subclavian into 3 parts

Answer 6

Scalenus anterior

Question 7

Branches of Subclavian Artery

Answer 7

First Part: (Think: IV Torres)
Internal Thoracic
Vertebral
Thyrocervical

Question 8

Branches of Thyrocervical Artery (mother artery?)

Answer 8

From Subclavian Artery

Branches:

i. Inferior Thyroid
ii. Superficial Cervical
iii. Suprascapular

Question 9

Drainage of:

Right lymphatic duct
Thoracic duct

Answer 9

Right Lymphatic: Internal Jugular Vein

Thoracic Duct: Left Brachiocephalic Vein

Question 10

Diaphragmatic Openings

T8

Answer 10

Caval:

IVC, Right Phrenic Nerve

Question 11

Diaphragmatic Openings

T10

Answer 11

Esophageal:

Esophagus, Vagus Nerve

Question 12

Diaphragmatic Openings

T12

Answer 12

Aortic:

Aorta, Azygous Vein, Thoracic Duct

Question 13

Diaphragmatic Openings

Vagus Nerve

Answer 13

T10

Question 14

Diaphragmatic Openings

Thoracic Duct

Answer 14

T12

Question 15

Diaphragmatic Openings

Azygous Vein

Answer 15

T12

Question 16

Diaphragmatic Openings

Right Phrenic Nerve

Answer 16

T8

Question 17

Innervations of the Diaphragm

Answer 17

Motor: Phrenic
Sensory: Central is Phrenic, Peripheral is Intercostal