Introduction to Blood

Which of the following statements is true concerning human blood?

• The blood contains RBC, WBC, platelets and plasma

• Proteins are not normal components of human blood

• It does not participate in the body temperature regulation

• Hematopoeisis takes place in lungs

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What is hematocrit?

• a hormone that stimulates production of red blood cells

• the nucleus of a red blood cell

• the measure of red blood cells in the blood

How many liters of blood does the adult human body contain?

• 7

• 3,5

• 5

• 10

Most of the volume of normal human blood is composed of:

• red cells

• plasma

• hemoglobin

• white cells

Which of the following are likely to increase when the body is under attack from bacteria?

• thrombocytes

• leukocytes

• plasma

• erythrocytes

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Erythrocyte is another name for a:

• red blood cell

• white blood cell

• platelet

• thrombocyte

What is the most abundant protein in plasma?

• Fibrinogen

• Globulins

• Hemoglobin

• Albumins

The synthesis of white blood cells is called:

• Leukopoiesis

• Lymphopoiesis

• Thrombopoiesis

• Erythropoiesis

What is hemoglobin?

• protein designed to hold oxygen and carry it to cells

• protein that hold waste products and remove them from body

• a chemical that stimulates the production of red blood cells

Where are blood cells produced?

• lungs

• bone marrow

• heart

• blood vessels

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