What vitamin is needed for the formation of prothrombin by the liver?
A) Vitamin B-12
B) Vitamin C
C) Vitamin K
D) Vitamin A
Correct Answer:
Verified
Q56: Natural killer (NK)cells are a type of
Q57: Thrombocytes
A)have a nucleus.
B)are cell fragments.
C)are produced in
Q58: Platelets generally have a very short life
Q59: Which type of leukocyte has granules that
Q60: Mature red blood cells are capable of
Q62: What ion is necessary for coagulation?
A)Na+
B)K+
C)Mg2+
D)Ca2+
Q63: A person with type O blood makes
Q64: The _ mechanism for activation of clotting
Q65: What chemical will dissolve fibrin to remove
Q66: Blood type is determined by
A)antigens in the
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