Quiz on the Pericardium

What is the primary function of the fibrous pericardium?

• Supports the diaphragm

• Produces pericardial fluid

• Limits cardiac distension

• Facilitates blood flow

Which layer of the pericardium adheres directly to the heart?

• Pericardial cavity

• Fibrous pericardium

• Parietal layer

• Visceral layer

What is the pericardial cavity filled with?

• Pericardial fluid

• Air

• Lymph

• Blood

Which artery primarily supplies blood to the pericardium?

• Coronary artery

• Aorta

• Pericardiacophrenic artery

• Pulmonary artery

What is the role of the phrenic nerves in relation to the pericardium?

• Regulation of heart rate

• Motor supply to the heart

• Sensory supply to the fibrous pericardium

• Vasomotor innervation

What condition is characterized by inflammation of the pericardium?

• Myocarditis

• Cardiac tamponade

• Pericarditis

• Pericardial effusion

Which of the following is a surgical significance of the transverse pericardial sinus?

• Supports the heart's position

• Enables clamping of large arteries

• Facilitates heart transplantation

• Allows fluid drainage

What is a potential consequence of pericardial effusion?

• Enhanced cardiac output

• Decreased blood pressure

• Increased heart rate

• Interference with heart filling

Which nerve provides minor contributions to the nerve supply of the pericardium?

• Sympathetic trunk

• Phrenic nerve

• Radial nerve

• Vagus nerve

What is the clinical term for rapid accumulation of fluid in the pericardial cavity?

• Pericardiocentesis

• Pericarditis

• Pericardial effusion

• Cardiac tamponade