When a B Cell Contacts a Foreign or Abnormal Antigen

question 36

Multiple Choice

When a B cell contacts a foreign or abnormal antigen, it develops into a that releases .

• A)plasma cell : antibodies
• B)macrophage : antibodies
• C)natural killer cell : antibodies
• D)plasma cell : histamine
• E)macrophage : histamine

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Definitions:

Right Ventricle

The chamber of the heart that receives deoxygenated blood from the right atrium and pumps it into the pulmonary artery toward the lungs for oxygenation.

Ductus Arteriosus

A fetal blood vessel that connects the pulmonary artery to the aorta, allowing blood to bypass the lungs in utero, which normally closes shortly after birth.

Descending Abdominal Aorta

A part of the aorta that runs down through the abdomen, supplying oxygenated blood to abdominal organs.