Which of the Following Is the Main Criterion That Determines

question 9

Multiple Choice

Which of the following is the main criterion that determines whether a protein is processed and presented via the class I MHC pathway in an antigen-presenting cell (APC) ?

• A)Encoded by a viral gene
• B)Present in an acidic vesicular compartment of the APC
• C)Present in the cytosol of the APC
• D)Internalized into the cell from the extracellular space
• E)Small in size

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Definitions:

Pulmonary Trunk

A large blood vessel that carries blood from the right ventricle of the heart to the lungs for oxygenation.

Superior Vena Cava

A major vein in the human body that carries deoxygenated blood from the upper half of the body to the heart's right atrium.

Ascending Aorta

The ascending aorta is the initial section of the aorta emerging from the heart, which ascends upwards before curving into the aortic arch.

Left Atrium

The left atrium is the top left section of the heart, responsible for collecting oxygen-rich blood from the lungs via the pulmonary veins and transferring it to the left ventricle.