Heart Function and Research Quiz

What is the primary function of the aorta in the circulatory system?

• To filter blood before it reaches the heart

• To pump blood into the veins

• To carry deoxygenated blood to the lungs

• To carry oxygenated blood from the heart to the body

What is a myocardial infarction more commonly known as?

• Heart murmur

• Heart attack

• Stroke

• Arrhythmia

What is the main cause of a myocardial infarction?

• Excessive exercise

• Irregular heartbeat

• Blockage of blood flow to the heart

• High blood pressure

Why can't cardiac myocytes regenerate after damage?

• They are constantly in motion

• They are not capable of cell division

• They lack the necessary nutrients

• They are too small to repair

What is a common surgical technique used to treat blocked arteries?

• Angioplasty

• Chemotherapy

• Radiation therapy

• Dialysis

What is a compliance mismatch in the context of vascular prosthesis?

• Incompatibility of blood flow direction

• Difference in stiffness between graft and native vessel

• Mismatch in blood type

• Mismatch in vessel diameter

What is the main challenge with using fabric-based vascular prostheses?

• They dissolve in the body

• They cause infections

• They are too stiff

• They are too flexible

What is the purpose of using a scaffold in tissue-engineered blood vessels?

• To provide a rigid structure

• To support and hold cells

• To prevent infection

• To replace damaged cells

What type of cells are added to the scaffold in tissue-engineered blood vessels?

• Bone cells

• Nerve cells

• Endothelial and smooth muscle cells

• Red blood cells

What is the ultimate goal of heart muscle tissue engineering?

• To create a new heart

• To repair or patch damaged heart areas

• To change heart rhythm

• To increase heart size