Blood Practice Test

20 terms by xbowlingrockerx 

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What erythrocyte production disorder results from an autoimmune disease associated with vitamin B12 absorption?

Pernicious anemia

An abnormal excess of erythrocytes is called

polycythemia

The most abundant leukocytes are

neutrophil

When a person has an acute bacterial infection, such as meningitis or appendicitis, which type of leukocyte increases in number?

neutrophil

Which type of leukocyte is responsible for antibody production?

lymphocyte

When we take anti-histamines, we are countering the effects of which type of leukocyte?

basophil

Platelet formation is regulated by

thrombopoietin

Which leukocyte functions in phagocytizing bacteria?

neutrophil

Which of the following is NOT a functional characteristic of leukocytes?

leukocytosis

Which of the following is best suited to the clotting process that occurs when blood vessels are ruptured?

platelets

The first step in hemostasis is

vascular spasm

Which formed element can be described as cytoplasmic fragments?

platelets

What "clot buster" enzyme removes unneeded clots after healing has occurred during fibrinolysis?

plasmin

A person who lacks agglutinogens A and B would have blood type

O

What protein involved in coagulation provides the scaffolding for tissue repair?

fibrin

Which of the following does NOT serve as a site for blood cell production in the developing fetus?

intestines

Erythrocytes lack a nucleus.

True

During erythroblastosis fetalis, a Rh- mother's anti-Rh antibodies that have crossed the placenta will cause agglutination of the fetus's Rh+ RBCs. However, the reverse problem never happens when a Rh+ mother is pregnant with a Rh- fetus, that is, antibodies produced by the fetus cannot cause agglutination of the mother's Rh+ RBCs. This is true because

antibodies that can cause this agglutination are not produced by a fetus

Which of the following is NOT a formed element of the blood?

antibodies

An individual who is blood type AB negative can

receive any blood type in moderate amounts except that with the Rh antigen

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