Question 1
Question
The composition of blood is
Answer
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55% plasma, 45% formed elements
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45% plasma, 55% formed elements
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50% plasma, 50% formed elements
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none of the above
Question 2
Question
Reduced red blood cell numbers cause
Question 3
Question
Which of the following formed elements carry oxygen?
Answer
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leukocytes
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erythrocytes
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thrombocytes
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monocytes
Question 4
Question
Hematocrit and packed cell volume are synonymous terms
Question 5
Question
A reticulocyte count can indicate to a physician the rate of leukocyte formation
Question 6
Question
Oxygen deficiency increases RBCs numbers by increasing the secretion of erythropoietin by the kidneys
Question 7
Question
The life span of circulating RBCs is about 10 - 12 days
Question 8
Question
Heme is broken down into iron and amino acids for use in the synthesis of new RBCs
Question 9
Question
Plasma is a pale yellow fluid that accounts for more than half of the blood volume
Question 10
Question
Serum is whole blood minus the clotting elements
Question 11
Question
Synthesis of plasma proteins occurs in the spleen
Question 12
Question
The mature erythrocyte does not contain ribosomes, mitochondrias, and other organelles typical of most body cells
Question 13
Question
The final step in RBC formation is called erythropoiesis
Question 14
Question
A person with antibody A in his or her plasma would have which blood type
Answer
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type A
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type B
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type AB
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type O
Question 15
Question
Type AB blood is considered to be the universal recipient.
Question 16
Question
Blood does not normally contain the anti-Rh [blank_start]antibodies[blank_end] but they may appear in the blood of an Rh-negative mother during certain circumstances.
Question 17
Question
Which of the following is not a critical component of coagulation?
Answer
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thrombin
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fibrinolysis
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fibrinogen
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fibrin
Question 18
Question
For prothrombin to be synthesized by the liver, an adequate amount of which vitamin is required?
Answer
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin K
Question 19
Question
Which of the following does not hasten clotting?
Answer
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rough spot in the endothelium
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abnormally slow blood flow
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theparin
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all of the above hasten clotting
Question 20
Question
Which of the following statements does not describe a characteristic of leukocytes?
Answer
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they are disc-shaped cells that do not contain a nucleus
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they have the ability to fight infection
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they provide defense against certain parasites
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they provide immune defense
Question 21
Question
Which of the following substances is not found in serum?
Question 22
Question
Which of the following substances is not found in blood plasma?
Question 23
Question
An allergic reaction may increase the number of
Answer
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eosinophils
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neutrophils
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lymphocytes
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monocytes
Question 24
Question
What is a blood clot that is moving through the body called?
Answer
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embolism
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fibrosis
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heparin
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thrombosis
Question 25
Question
What is the primary function of hemoglobin?
Answer
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fight infection
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produce blood clots
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carry oxygen
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transport hormones
Question 26
Question
Are any of the following steps not involved in blood clot formation?
Answer
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A blood vessel is injured and platelet factors are formed
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Thrombin is converted into prothrombin
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Fibrinogen is converted into fibrin
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All of the above are involved in blood clot formulation
Question 27
Question
Classification of leukocytes that contain cytoplasmic granules: [blank_start]granulocytes[blank_end]
Most numerous leukocytes: [blank_start]neutrocytes[blank_end]
Granulocytes that release heparin and histamine: [blank_start]basophils[blank_end]
Granulocytes that protect against infections from parasitic worms and allergic reactions: [blank_start]eosinophils[blank_end]
Agranulocytes that produce antibodies: [blank_start]lymphocytes[blank_end]
Agranulocytes that can enter tissue spaces as macrophages: [blank_start]monocytes[blank_end]
Cell fragments that function in blood clotting and hemostasis: [blank_start]platelets[blank_end]
Cells from which platelets are formed: [blank_start]megakaryocytes[blank_end]
Classification of leukocytes without cytoplasmic granules: [blank_start]agranulocytes[blank_end]
Classification of formed elements that are nucleated cells lacking hemoglobin: [blank_start]leukocytes[blank_end]
Answer
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granulocytes
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neutrocytes
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basophils
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eosinophils
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lymphocytes
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monocytes
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platelets
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megakaryocytes
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agranulocytes
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leukocytes