Exam 11: The Blood

Use this figure to answer the corresponding questions. -Which number identifies the specific cell most commonly associated with parasitic infections?

Why is the biconcavity of the erythrocyte important?

If the hematocrit is 47, then 47 percent of the whole blood consists of plasma.

Match each statement with the appropriate disorder. a.aplastic anemia b.pernicious anemia c.hemolytic anemia d.hemorrhagic anemia e.polycythemia f.leukemia g.neutrophilia h.sickle-cell anemia -Due to lack of intrinsic factor

The buffy coat represents < 1% of the whole blood and is comprised of

Each hemoglobin molecule contains _____ heme molecules, and each heme can carry _____ oxygen molecule(s).

Hemoglobin transports carbon dioxide and oxygen.

If 24 packed volume units of cells are separated from 36 volume units of plasma from a blood sample, the hematocrit is ____ percent.

____ leave the blood after circulating for only a day or two and become the large-tissue phagocytes known as macrophages.

Which numbers identify the polymorphonuclear cells?

Hemophilia results from

Erythrocytes

Erythropoietin

Select the incorrect statement about heparin.

Carbonic anhydrase is important for

Anemia results from a reduced O₂-carrying capacity of the blood, which can be caused by a decrease in the number of

The extrinsic clotting pathway

Match each statement with the appropriate disorder. a.aplastic anemia b.pernicious anemia c.hemolytic anemia d.hemorrhagic anemia e.polycythemia f.leukemia g.neutrophilia h.sickle-cell anemia -Due to vitamin B₁₂ not being absorbed

In the last step of blood coagulation,

Vitamin B₁₂ is a required clotting factor.