PBS EOC Review #2

Front

What is LDL?

Back

LDL (Low-Density Lipoprotein) is a type of cholesterol that carries cholesterol to the cells in the body.

Front

What is HDL?

Back

HDL (High-Density Lipoprotein) is a type of cholesterol that removes excess cholesterol from the bloodstream and transports it to the liver.

Front

What is the function of the tricuspid valve?

Back

The tricuspid valve prevents backflow of blood from the right ventricle (RV) to the right atrium (RA).

Front

What is the function of the pulmonary artery?

Back

The pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation.

Front

What determines the three-dimensional shape of a protein?

Back

The three-dimensional shape of a protein is primarily determined by the sequence of amino acids in the protein.

Front

What is the role of cholesterol in the body?

Back

Cholesterol is essential for building cell membranes, producing hormones, and synthesizing vitamin D.

Front

What is the difference between LDL and HDL?

Back

LDL carries cholesterol to cells (bad cholesterol), while HDL removes excess cholesterol from the bloodstream (good cholesterol).

Front

What is the structure of the heart?

Back

The heart consists of four chambers: the right atrium, right ventricle, left atrium, and left ventricle.

Front

What is the function of the aorta?

Back

The aorta is the main artery that carries oxygenated blood from the heart to the rest of the body.

Front

What is the significance of the pulmonary vein?

Back

The pulmonary vein carries oxygenated blood from the lungs back to the left atrium of the heart.