What is the most commonly used type of concrete block?
A. Tile
B. Brick
C. Solid block
D. Hollow block
D
Health Professions
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Which of the following statements regarding fire barriers is LEAST accurate?
A. They can be used in stairwells. B. They can only be 3-hour rated structures. C. They can be constructed from a wide variety of materials. D. Their construction is nearly identical to that of fire partitions.
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Which of the following hemoglobinopathies is most common?
a. Sickle cell diseases b. Hb E disorders c. Hb C disorders d. Unstable hemoglobins
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