Cover Title Text: Daniel D. Chiras: Human Biology, Fifth Edition
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Tools For Learning: Practice Quizzes

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.


1:  Plasma
A: is the liquid portion of the blood
B: is about 90% water
C: contains dissolved substances and blood cells
D: b and c
E: All of the above

2:  Which of the following is involved in blood clotting?
A: Red blood cells
B: Platelets
C: Neutrophils
D: none of the above

3:  The hematocrit
A: is a device used to measure the percentage of red blood cells in the blood
B: is the percentage of red blood cells (by volume) in the blood
C: is about 55 percent at sea level
D: decreases in people living at higher elevations

4:  Which of the following proteins is involved in blood clotting?
A: Albumin
B: Gamma globulins
C: Fibrin
D: None of the above

5:  Red blood cells
A: are highly inflexible cells
B: are packed with a protein known as myoglobin
C: are involved in immune protection
D: none of the above

6:  Red blood cells
A: are produced in the liver
B: are produced in yellow marrow
C: are produced from undifferentiated cells known as stem cells
D: are destroyed in the liver

7:  _______ is the central atom in the hemoglobin molecule and is needed in the diet because of the constant loss of RBCs.
A: Sodium
B: Lead
C: Calcium
D: Iron

8:  The most abundant white blood cell which is the first to arrive at the site of an infection is the
A: lymphocyte
B: mast cell
C: eosinophil
D: neutrophil

9:  These cells are something of a "mop up" crew. They do their work outside of the blood stream where they phagocytize microorganisms and dead cells. They are called
A: macrophages
B: T-lymphocytes
C: B-lymphocytes
D: None of the above

10:  This cell produces antibodies.
A: mast cell
B: neutrophil
C: plasma cell
D: monocyte

11:  Antibodies are which type of protein?
A: albumin
B: enzymes
C: gamma
D: fibrin

12:  A tissue or organ graft would be rejected by these cells
A: B-lymphocytes
B: T-lymphocytes
C: Erythrocytes
D: Monocytes

13:  A cancer of the white blood cells is
A: carcinoma
B: leukemia
C: infectious mononucleosis
D: hemophilia

14:  Which chemical stimulates the clotting mechanism?
A: Fibrin
B: Thromboplastin
C: Erythropoietin
D: None of the above

15:  Which of the following is true about hemophilia?
A: It is a genetic disorder most common in women
B: It is an immune system disease similar to AIDS
C: It results in pain in the joints due to arthritic buildup
D: It is disease that occurs when the liver fails to make blood clotting factors

16:  Which blood type can be transfused into anyone, providing other factors are compatible?
A: Type A
B: Type B
C: Type AB
D: Type O

17:  Why is it that Type A blood cannot be transfused in individuals with Type B blood?
A: Individuals with Type B blood contain antibodies to Type A blood and they cause transfused blood cells to clump, which can be dangerous to one's health
B: Individuals with Type B blood contain antigens to Type A blood which causes a transfusion reaction
C: This statement is false; Type A blood can be transfused into individuals with Type B blood
D: None of the above

18:  What type of blood is the universal recipient?
A: Type A
B: Type B
C: Type AB
D: Type O

19:  The Rh factor
A: is an antigen on blood cells
B: is least important during pregnancy
C: is not taken into account during blood transfusion
D: none of the above

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