MD3001 Heart- Internal Structure &
Surface Anatomy Test And Answers @
2024
What is pulmonary circulation? - Answer Right side of heart pumps
deoxygenated blood to lungs at low pressure of 12-16 mmHg
What is systemic circulation - Answer Left side of heart pumps
oxygenated blood thorughout body at high pressure of 70-120 mmHg
What are the surfaces of the heart? - Answer 1. Sternocostal
(anterior)
2. Diaphragmatic (inferior)
3. Right pulmonary
4. Left pulmonary
Location of apex of heart - Answer Left 5th intercostal space, 8-10 cm
left of midline
(More supeterm-5rior and lateral in children)
Composition of base of heart - Answer Mostly left atrium and
pulmonary veins
Some of right atrium
Location of base of heart - Answer Posterior to pericardium at level
of T6-T9 vertebrae (standing up in anatomical position, but can differ
T5-T8)
What are the margins of the heart? - Answer 1. Right - right atrium
2. Left - left auricle + ventricle
3. Inferior - right + left ventricle
