Which of the following cells develop into macrophages?

-monocytes

T cells function to

-destroy body cells infected with viruses.

If examination of the blood reveals a large number of immature leukocytes, the individual is probably suffering from

-leukemia.

What is the anatomical difference between T lymphocytes and B lymphocytes?

-They are structurally identical

In the body, erythrocytes are red because of the oxidized iron they contain. In stained blood smears, erythrocytes are

-pink from eosin.

The most common formed elements in the blood are

-erythrocytes.

Plasma minus clotting factors.

-serum

The least abundant white blood cell type is the

-basophil.

B cells fight infections by

-producing antibodies.

The replacement of red bone marrow with yellow bone marrow in the limbs occurs

-between 8 and 18 years of age.

Which cells fight infection by producing antibodies?

-B lymphocytes

Leukocytes, ordered from most to least abundant, are the

-neutrophils, lymphocytes, monocytes, eosinophils, and basophils.

Most abundant formed element.

-erythrocyte

Elevated numbers of reticulocytes may indicate

-a person is adapting to life at high elevations

In the cell line that forms erythrocytes in red bone marrow, all of the following occur except that

-lysosome-like granules accumulate.

Together, leukocytes and platelets constitute roughly which percentage of whole blood volume?

-1%

Along with leukocytes, these contribute less than 1% of whole blood.

platelets

Which type of connective tissue occurs in the bone marrow cavity?

-reticular

Fraction of blood comprised by erythrocytes.

-hematocrit

The formed element that is flattened, circular, lacks a nucleus, lacks mitochondria or ribosomes, and is red because of the presence of hemoglobin is

-an erythrocyte.

The blood's globulins include

-antibodies

Reticulocytes are precursors to mature

-erythrocytes.