Platelets
A) are small cell fragments derived from large megakaryocytes in the bone marrow
B) lack nuclei
C) contain high concentrations of actin and myosin, which enable them to contract
D) have all of the above characteristics
E) have only characteristics a and b
Correct Answer:
Verified
Q39: Which of the following is not a
Q40: In aplastic anemia, there is
A)insufficient hemoglobin formation
Q41: Which is not a step in hemostasis?
A)vascular
Q42: The least abundant type of polymorphonuclear components
Q43: Lymphocytes are
A)polymorphonuclear granulocytes
B)the most abundant type of
Q45: The second most abundant agranular leukocyte is
Q46: The tissue phagocytes called macrophages are derived
Q47: Which leukocyte contains histamine in its granules?
A)neutrophils
B)eosinophils
C)basophils
D)lymphocytes
E)monocytes
Q48: Select the platelet count per cubic millimeter
Q49: Which statement about platelets is incorrect?
A)They are
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