Which of the following correctly describes a normal mature erythrocyte?
A) a 7- to 8-mm biconcave disc that lives 120 days
B) a 7- to 8-mm spheroid that lives 120 days
C) a 12- to 15-mm spheroid that lives 80 days
D) a 12- to 15-mm biconcave disc that lives 80 days
Correct Answer:
Verified
Q1: Which of the following is true of
Q2: What is the main site for iron
Q3: Erythropoietin increases the number of red cells
Q4: What mechanism is responsible for the destruction
Q6: Abnormal concentrations of cations inside erythrocytes cause
A)spherocytosis.
B)senescence.
C)prolongation
Q7: Where is erythropoietin synthesized?
A)bone marrow
B)kidney
C)lymph nodes
D)spleen
Q8: Depletion of serum haptoglobin indicates
A)decreased erythropoiesis.
B)extravascular hemolysis.
C)intravascular
Q9: Which of the following has a pyknotic
Q10: Programmed cell death is called
A)necrosis.
B)apoptosis.
C)hemolysis.
D)phagocytosis.
Q11: Why do men typically have higher erythrocyte
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