MRCS Part A Anatomy Exam Questions
With Correct Answers
Breast - position
| |
Ribs 2-6
|
Nipple - position
| |
4th intercostal space
| |
Breast - blood supply
| | |
Internal thoracic (1st part subclavian)
| | | |
Lateral thoracic (2nd part axillary)
| | | |
Thoraco-acromial (2nd part axillary) | | |
Intercostal (internal thoracic) | |
Branches and divisions of axillary artery
| | | | |
Runs from edge of 1st rib to lower border of teres major
| | | | | | | | | | |
Divided by pectoralis minor:
| | |
Segment 1 - proximal | | |
Segment 2 = posterior | | |
Segment 3 = distal | | |
Superior thoracic (1) | |
Thoraco-acromial (2) |
Lateral thoracic (2)
| |
Subscapular (3) |
Posterior humeral circumflex (3)
| | |
Anterior humeral circumflex (3)
| | |
,Lymphatic drainage of breast | | |
Axillary
Infraclavicular
Internal thoracic |
Nerve supply of diaphragm
| | |
Phrenic nerve - C3-5 | | |
1/3 sensory 2/3 motor
| | |
Blood supply of outer diaphragm
| | | |
Lower 5 intercostals and subcostal artery
| | | | |
Blood supply of inner diaphragm
| | | |
Inferior phrenic (aorta)| |
Musculo/pericardiophrenic (internal thoracic) | |
Level that superior epigastric artery and vein traverse the diaphragm
| | | | | | | | |
Anterior hiatus (T9) | |
Oesophagus - nerve supply | | |
Sensation - Vagus | |
Motor - Vagus | |
Oesophagus - arterial supply | | |
Inferior thyroid (u 1/3)| | |
Aorta (m 1/3)
| |
Left gastric (l 1/3)
| | |
Oesophagus - venous drainage | | |
Inferior thyroid (u 1/3)| | |
Azygos branches (m 1/3)
| | |
Left gastric (l 1/3)
| | |
Oesophagus - lymphatic drainage | | |
,Deep cervical (u 1/3)
| | |
Mediastinal (m 1/3) | |
Gastric (l 1/3)
| |
Oesophagus - length | |
27cm
(split into thirds of 9cm)
| | | |
Level of thyroid isthmus
| | |
Between cricoid and suprasternal notch
| | | |
Thymus - arterial supply
| | |
Internal thoracic artery
| |
Thymus - venous drainage
| | |
Thymic vein -> left brachiocephali
| | | |
Rectum - blood supply
| | |
Superior rectal A (IMA) | | |
Middle rectal A (internal iliac)
| | | |
Inferior rectal A (internal pudendal)
| | | |
Rectum - nervous innervation
| | |
Symp:
- lumbar splanchnic
| |
- superior and inferior hypogastric
| | | |
PS:
S2-4 (pelvic splanchnic + inferior hypogastric)
| | | | |
Rectum - lymphatic drainag
| | |
Upper/middle: Pararectal -> inferior mesenteric nodes| | | | |
Lower: internal iliac nodes
| | |
Rectum - venous drainage
| | |
, Superior rectal vein -> portal vein
| | | | |
Middle/inferior rectal vein -> systemic venous drainage | | | | | |
Site of portocaval anastomosis!
| | |
Long thoracic nerve roots and muscles
| | | | |
C5-6-7
Serratus anterior |
Where does median nerve lie in cubital fossa?
| | | | | | |
Medially, deep to biceps tendon | | | |
How does median nerve enter the forearm?
| | | | | |
Between pronator teres heads | | |
How does median nerve travel down the forearm?
| | | | | | |
Between FDS and FDP | | |
Innervation of thenar muscles | | |
Recurrent branch of median nerve | | | |
Anterior interosseus nerve - location and muscles
| | | | | |
Branches from median nerve at cubital fossa
| | | | | |
2.5 muscles:
|
flexor pollicis longus
| |
pronator quadratus |
lateral side of FDP| | |
Note NO sensory fibres
| | |
Innervation of palm of hand | | | |
Sensory only |
Palmar branch of median nerve
| | | |
Given off before the carpal tunnel so spared in CTS
| | | | | | | | |
With Correct Answers
Breast - position
| |
Ribs 2-6
|
Nipple - position
| |
4th intercostal space
| |
Breast - blood supply
| | |
Internal thoracic (1st part subclavian)
| | | |
Lateral thoracic (2nd part axillary)
| | | |
Thoraco-acromial (2nd part axillary) | | |
Intercostal (internal thoracic) | |
Branches and divisions of axillary artery
| | | | |
Runs from edge of 1st rib to lower border of teres major
| | | | | | | | | | |
Divided by pectoralis minor:
| | |
Segment 1 - proximal | | |
Segment 2 = posterior | | |
Segment 3 = distal | | |
Superior thoracic (1) | |
Thoraco-acromial (2) |
Lateral thoracic (2)
| |
Subscapular (3) |
Posterior humeral circumflex (3)
| | |
Anterior humeral circumflex (3)
| | |
,Lymphatic drainage of breast | | |
Axillary
Infraclavicular
Internal thoracic |
Nerve supply of diaphragm
| | |
Phrenic nerve - C3-5 | | |
1/3 sensory 2/3 motor
| | |
Blood supply of outer diaphragm
| | | |
Lower 5 intercostals and subcostal artery
| | | | |
Blood supply of inner diaphragm
| | | |
Inferior phrenic (aorta)| |
Musculo/pericardiophrenic (internal thoracic) | |
Level that superior epigastric artery and vein traverse the diaphragm
| | | | | | | | |
Anterior hiatus (T9) | |
Oesophagus - nerve supply | | |
Sensation - Vagus | |
Motor - Vagus | |
Oesophagus - arterial supply | | |
Inferior thyroid (u 1/3)| | |
Aorta (m 1/3)
| |
Left gastric (l 1/3)
| | |
Oesophagus - venous drainage | | |
Inferior thyroid (u 1/3)| | |
Azygos branches (m 1/3)
| | |
Left gastric (l 1/3)
| | |
Oesophagus - lymphatic drainage | | |
,Deep cervical (u 1/3)
| | |
Mediastinal (m 1/3) | |
Gastric (l 1/3)
| |
Oesophagus - length | |
27cm
(split into thirds of 9cm)
| | | |
Level of thyroid isthmus
| | |
Between cricoid and suprasternal notch
| | | |
Thymus - arterial supply
| | |
Internal thoracic artery
| |
Thymus - venous drainage
| | |
Thymic vein -> left brachiocephali
| | | |
Rectum - blood supply
| | |
Superior rectal A (IMA) | | |
Middle rectal A (internal iliac)
| | | |
Inferior rectal A (internal pudendal)
| | | |
Rectum - nervous innervation
| | |
Symp:
- lumbar splanchnic
| |
- superior and inferior hypogastric
| | | |
PS:
S2-4 (pelvic splanchnic + inferior hypogastric)
| | | | |
Rectum - lymphatic drainag
| | |
Upper/middle: Pararectal -> inferior mesenteric nodes| | | | |
Lower: internal iliac nodes
| | |
Rectum - venous drainage
| | |
, Superior rectal vein -> portal vein
| | | | |
Middle/inferior rectal vein -> systemic venous drainage | | | | | |
Site of portocaval anastomosis!
| | |
Long thoracic nerve roots and muscles
| | | | |
C5-6-7
Serratus anterior |
Where does median nerve lie in cubital fossa?
| | | | | | |
Medially, deep to biceps tendon | | | |
How does median nerve enter the forearm?
| | | | | |
Between pronator teres heads | | |
How does median nerve travel down the forearm?
| | | | | | |
Between FDS and FDP | | |
Innervation of thenar muscles | | |
Recurrent branch of median nerve | | | |
Anterior interosseus nerve - location and muscles
| | | | | |
Branches from median nerve at cubital fossa
| | | | | |
2.5 muscles:
|
flexor pollicis longus
| |
pronator quadratus |
lateral side of FDP| | |
Note NO sensory fibres
| | |
Innervation of palm of hand | | | |
Sensory only |
Palmar branch of median nerve
| | | |
Given off before the carpal tunnel so spared in CTS
| | | | | | | | |
