The combining form hydr/o means water.
a. true
b. false
Answer: a. true
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Which of the following is TRUE regarding paroxysmal nocturnal hemoglobinuria (PNH)?
A) It can be diagnosed by the deficiency of CD55 and CD59 on red blood cells. B) Symptoms include lysis of red blood cells with hemoglobin appearing in the urine and a tendency to develop blood clots. C) Red blood cells are deficient in the complement regulatory proteins DAF (decay accelerating factor) and protectin. D) All of the above.
The mast cell is armed with surface immunoglobulin during the
a. sensitization phase b. activation phase c. effector phase d. implementation phase
A(n) ____ is any substance that the white blood cells recognize as foreign
a. lymphocyte b. antigen c. vector d. antibody e. bacterium
Horace Mann, whose writings and speeches helped to promote the importance of education in general, was believed to be the first spokesperson for teaching health in schools
Indicate whether the statement is true or false.