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MRCS Part A Anatomy Exam Questions And Answers
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MRCS Part A Anatomy Exam Questions And Answers MRCS Part A Anatomy Exam Questions And Answers MRCS Part A Anatomy Exam Questions And Answers
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MRCS Part A AnatomyBreast - position - ANS Ribs 2-6
Nipple - position - ANS 4th intercostal space
Breast - blood supply - ANS Internal thoracic (1st part subclavian)
Lateral thoracic (2nd part axillary)
Thoraco-acromial (2nd part axillary)
Intercostal (internal thoracic)
Branches and divisions of axillary artery - ANS 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 - ANS Axillary
Infraclavicular
Internal thoracic
Nerve supply of diaphragm - ANS Phrenic nerve - C3-5
1/3 sensory 2/3 motor
Blood supply of outer diaphragm - ANS Lower 5 intercostals and subcostal artery
Blood supply of inner diaphragm - ANS Inferior phrenic (aorta)
Musculo/pericardiophrenic (internal thoracic)
Level that superior epigastric artery and vein traverse the diaphragm - ANS Anterior hiatus (T9)
Oesophagus - nerve supply - ANS Sensation - Vagus
Motor - Vagus
Oesophagus - arterial supply - ANS Inferior thyroid (u 1/3)
Aorta (m 1/3)
Left gastric (l 1/3)
Oesophagus - venous drainage - ANS Inferior thyroid (u 1/3)
Azygos branches (m 1/3)
Left gastric (l 1/3)
,Oesophagus - lymphatic drainage - ANS Deep cervical (u 1/3)
Mediastinal (m 1/3)
Gastric (l 1/3)
Oesophagus - length - ANS 27cm
(split into thirds of 9cm)
Level of thyroid isthmus - ANS Between cricoid and suprasternal notch
Thymus - arterial supply - ANS Internal thoracic artery
Thymus - venous drainage - ANS Thymic vein -> left brachiocephali
Internal iliac artery divisons - ANS Anterior and posterior division
Posterior division of internal iliac artery branches - ANS Posterior Division: PILS
P: Posterior /I: iliolumbar/ L: Lateral Sacral/ S: Superior Gluteal
Anterior division of internal iliac artery branches - ANS Visceral branches
SUM
Parietal Branches
GOP
Rectum - blood supply - ANS Superior rectal A (IMA)
, Middle rectal A (internal iliac)
Inferior rectal A (internal pudendal)
Rectum - nervous innervation - ANS Symp:
- lumbar splanchnic
- superior and inferior hypogastric
PS:
S2-4 (pelvic splanchnic + inferior hypogastric)
Rectum - lymphatic drainag - ANS Upper/middle: Pararectal -> inferior mesenteric nodes
Lower: internal iliac nodes
Rectum - venous drainage - ANS Superior rectal vein -> portal vein
Middle/inferior rectal vein -> systemic venous drainage
Site of portocaval anastomosis!
Long thoracic nerve roots and muscles - ANS C5-6-7
Serratus anterior
Where does median nerve lie in cubital fossa? - ANS Medially, deep to biceps tendon
How does median nerve enter the forearm? - ANS Between pronator teres heads
How does median nerve travel down the forearm? - ANS Between FDS and FDP
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