Question Answer What is another name for
red blood cell ?
lymphocyte
erythrocyte
leukocyte
The chief function of the red
blood cell is to defend the body
against foreign invaders.
True
False
At any given moment, red blood cells in your body are dying at a rate of.....?
20 million per second
200,000 per second
2 million per second
What substances do red blood cells carry with their hemoglobin?
oxygen and carbon dioxide
oxygen and water
carbon dioxide and water
water and starch
Neutrophils...
...destroy invading bacteria.
...release histamine and serotonin.
...become macrophages.
T cells work on cell-mediated immune responses.
True
False
In mammals, B cells travel directly from the bone marrow to...?
the bursa of Fabricius
the spleen
the thymus
Platelets play crucial roles in ...?
...initiating a imune response
...stimulating antibodies
...plugging breaks in blood vessels
Platelets are not entire cells, but small detached cell fragments.
True
False
What are these larger cells from which platelets are formed?
megakaryocytes
monocytes
leukocytes