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Mature human red blood cells


A) have a nucleus.
B) are biconcave discs without a nucleus.
C) are rare in the bloodstream.
D) carry plasma.
E) fight pathogens.

F) B) and C)
G) C) and D)

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How many globin chains are found in hemoglobin?


A) 0
B) 1
C) 2
D) 3
E) 4

F) A) and E)
G) A) and D)

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The production of leukocytes is regulated by


A) rennin.
B) erythropoietin.
C) colony-stimulating factor.
D) folic acid.
E) prolactin.

F) A) and D)
G) All of the above

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44.Ray is considered a universal donor.His blood type is


A) O.
B) A.
C) B.
D) AB.

E) A) and C)
F) A) and B)

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After blood clots,the yellowish fluid that escapes from the clot is called


A) thrombin.
B) fibrinogen.
C) serum.
D) lymph.
E) plasma.

F) A) and E)
G) B) and C)

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In which of the following scenarios would hemolytic disease of the newborn be a possibility?


A) Mom is Rh negative and dad is Rh positive.
B) Both mom and dad are Rh negative.
C) Both mom and dad are Rh positive.
D) Mom is Rh positive and dad is Rh negative.

E) A) and B)
F) None of the above

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Which of the following is not a function of blood?


A) transport
B) defense
C) regulation
D) pumping

E) B) and C)
F) A) and C)

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What hormone produced in the kidneys stimulates production of red blood cells?


A) carbonic anhydrase
B) prolactin
C) erythropoietin
D) adrenalin
E) lipase

F) None of the above
G) B) and D)

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What are the most abundant plasma proteins that also establish the osmotic pressure of the plasma?


A) fibrinogens
B) gamma globulins
C) astrocytes
D) albumins
E) hemoglobin

F) A) and E)
G) A) and D)

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The two major components of blood are


A) red blood cells and white blood cells.
B) plasma and serum.
C) plasma and red blood cells.
D) formed elements and plasma.
E) platelets and plasma.

F) A) and B)
G) A) and C)

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White blood cells are like red blood cells in that they only live for a matter of days.

A) True
B) False

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The vitamin necessary for fibrinogen and prothrombin formation (found in green vegetables and released by intestinal bacteria) is


A) vitamin B.
B) vitamin D.
C) vitamin A.
D) vitamin E.
E) vitamin K.

F) B) and D)
G) C) and D)

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What gives rise to all the formed elements of the blood?


A) megakaryocytes
B) macrophages
C) reticulocytes
D) stem cells
E) erythroblasts

F) All of the above
G) A) and E)

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What part of the hemoglobin molecule actually binds the oxygen molecule? What part binds carbon dioxide?


A) globin chain, globin chain
B) heme, heme
C) globin chain, heme
D) heme, globin chain

E) A) and B)
F) B) and C)

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Jena and Seth could have a child with hemolytic disease of the newborn.Jena must be


A) Rh negative.
B) Rh positive.

C) A) and B)
D) undefined

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Which of the following is not a role the skeletal system plays in helping the cardiovascular system?


A) protects the heart
B) produces blood cells
C) regulates the contraction of the heart
D) stores calcium for blood clotting
E) assists muscles in movement of blood in veins

F) B) and E)
G) A) and B)

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In someone with terrible allergies,what leukocyte levels would be elevated?


A) neutrophil, eosinophil
B) monocyte, megakaryocyte
C) eosinophil, basophil
D) lymphocyte, monocyte
E) megakaryocyte, basophil

F) C) and E)
G) All of the above

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