Biology Chapter 6 questions PDF

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Biology question chapter test

When old RBCs are destroyed, the iron may be used for the synthesis of new hemoglobin by the:

lymph nodes

red bone marrow

liver

spleen

Which RBC count per microliter indicates anemia?

5.8 million

4.5 million

6.5 million

4.0 million

A stimulus for RBC production is:

increased carbon dioxide in the blood

increased oxygen in the blood

increased iron in the blood, which the liver cannot store

erythropoietin produced by the kidneys

Of the WBCs, the basophils ___ and the neutrophils ___.

produce heparin/phagocytize pathogens

produce antibodies/detoxify foreign proteins

phagocytize pathogens/produce antibodies

produce antibodies/produce histamine

If necessary, the universal recipient may be considered to be:

type O negative

type O positive

type AB negative

type AB positive

Vascular spasm is the only effective first mechanism of hemostasis for breaks in:

capillaries

large arteries

small arteries

veins and capillaries

The kind of WBC that detoxifies foreign proteins is the:

lymphocyte

eosinophil

basophil

neutrophil

Erythropoietin increases the production of:

all blood cells

platelets and RBCs only

WBCs only

RBCs only

The mineral in hemoglobin that bonds to oxygen is:

sodium

copper

iron

calcium

Bleeding tendencies might accompany:

anemia

leukocytosis

polycythemia

thrombocytopenia

A person with type O positive blood receives a transfusion of type B negative blood. What will happen?

The donor’s antibodies will destroy the recipient’s RBCs.

The recipient’s antibodies will destroy the donated RBCs.

The Rh antibodies will destroy the donated RBCs.

These blood types are compatible and the transfusion will be accepted.

In the process of chemical clotting, the clot itself is formed of:

fibrinogen

fibrin

thrombin

prothrombin

Hypoxia of tissues might accompany:

leukopenia

anemia

leukocytosis

thrombocytopenia...