Explain how lead inhibits heme synthesis
What will be an ideal response?
Answer: Lead passes to the bone marrow where it accumulates in the mitochondria of erythroblasts and inhibits the enzymes involved in heme synthesis. RNA aggregates and mitochondria degenerates, forming basophilic stippling. Some aggregates contain free ionized iron. The enzymes most sensitive to lead are ALA-D and ferrocheletase.
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Which of the following statements regarding an emergency patient move is correct?
A. The spine must be fully immobilized prior to performing an emergency move. B. The patient is dragged against the body's long axis during an emergency move. C. An emergency move is performed before the primary assessment and treatment. D. It is not possible to perform an emergency move without injuring the patient.
List three reasons why managed care organizations (MCOs) are criticized.
What will be an ideal response?