When activated by the presence of a pathogen some lymphocytes produce antibodies and other lymphocytes act as memory cells.
Which of the following best describes the role of memory cells in the immune system?
A. They store antigens from the pathogen for lymphocytes to use as a template for antibodies in the future.
B. They remember the antigen on the pathogen and tell the lymphocytes how to respond if it is re-encountered.
C. They quickly clone to form a group of phagocytes if the pathogen is re-encountered.
D. They quickly clone to form a group of plasma cells if the pathogen is re-encountered.
Select your answer:
Topics:
Renal System - Pharmacology Skin and Derivatives My Teeth Blood and Hematology Circulatory & Lymphatic Anatomy of the Eye Muscles and Movements Joints in our Body Inherited & Acquired Traits Body Structures and Organ Systems Body System Interactions Mutation & Genetic Engineering Cell Vocabulary Antimicrobial Pharmacology EpithelialOther quiz:
Digestive System › ViewWhat does stomach acid do?
A. Chemically digests food in the mouth.
B. Chemically digests food in the stomach
C. Protects the stomach from digesting iteself
D. Absorbs nutrients from food so the body has energy.
CP A&P: Cardiovascular › View
Arteries do not require valves like veins do because blood is pushed through arteries by the pumping of the heart, whereas veins require more assistance to move the blood back toward the heart.
A. TRUE
B. FALSE