text: Elevated venous blood lead levels and basophilic stippling of red blood cells on peripheral smear are the the most important and diagnostic laboratory findings in lead poisoning.
option_0: Lead poisoning laboratory findings
option_1: Lead poisoning physical examination
option_2: Anoxic brain injury laboratory findings
option_3: Methemoglobinemia laboratory findings
option_4: Altitude sickness laboratory findings
option_5: Lead poisoning electrocardiogram
option_6: Drug induced liver injury laboratory findings
option_7: Methemoglobinemia physical examination