How large is an average heart?

• 500 g

• 300 g

• 1000 g

• 200 g

Match the following

• Thin inner layer of heart, continues with endothelium of blood vessels

• Pericardial cavity

• Cardiac muscle tissue, thickest layer, spirals around, wringing motions

• Endocardium

• Serous layer of cells which cover heart; inner layer of pericardium

• Myocardium

• Contains 5-30 ml of fluid

• Epicardium

• Double walled sac composed of fibrous layer and serosal layer

• Pericardium

Which layer of the heart contains prostacyclin to prevent friction for the flow of blood?

• Pericardium

• Myocardium

• Endocardium

• Epicardium

Reorder the following layers of the heart from the outer edge to its inner.

• Fibrous layer of parietal pericardium

  Serous layer

• Epicardium

• Pericardial space

• Myocardium

• Endocardium

Which chamber contains the thickest layer of muscle surrounding it?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

• My buns of steel

Select all the layers of the heart composed of squamous epithelial cells.

• Fibrous layer of pericardium

• Serosal layer of pericardium

• Epicardium

• Myocardium

• Endocardium

Patent ductus arteriosis is a condition in which a specific hole in the heart does not properly close after birth. Between which two structures does this hole reach?

• Right ventricle

• Pulmonary trunk

• Left ventricle

• Aorta

• Superior vena cava

Severus Snape is admitted to the ER after Fred Weasley's latest prank triggers a heart attack. The muggle hospital diagnoses him with a myocardial infarction. Where in Snape's heart does Madam Poppy Pomfrey need to direct her wand to remove Snape's blood clot?

• Right coronary artery

• Left anterior descending artery

• Right marginal artery

• Left obtuse marginal artery

Which valves are connected to chordae tendinae?

• Aortic valve

• Mitral valve

• Tricuspid valve

• Pulmonary valve

• AV valves

A sports injury somehow manages to damage no other part of the heart besides the pulmonary valve. Which chamber of the heart is now receiving a back flow of blood due to this injury?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle