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1. What is always true about a clone of lymphocytes that is not true about lymph

ID: 226227 • Letter: 1

Question

1. What is always true about a clone of lymphocytes that is not true about lymphocytes that are not from the same clone? (More than one answer may be correct).

They share the same genetic code

They respond to the same ligand

They were created at the same time

One is a daughter cell of the other

2. What problems would you expect if a patient was unable to retain memory B cells?

3. A patient is not producing NK cells. What will they be most vulnerable to?

Overreacting to non-harmful substances

Bacteria

Viruses

Tissue injury

Explanation / Answer

They share the same genetic code

They respond to the same ligand.

2. Memory B cells work in case of reinfection by same type of antigen. These Memory B cells which allows a rapid response if the same infection is encountered again. If these Memory B cells are not retained, there will occur frequent recurrence of same infections with delayed response from the body.

3. Viruses

Natural killer (NK) cells are so named because they easily kill cells infected with viruses.