Which tests measure lead in the blood?

Prepare for the Pennsylvania Lead Inspector Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Get ready to pass your exam!

The direct way to measure lead in the blood is through a blood lead level test, which quantifies exactly how much lead is circulating in the blood and is used as the primary tool to assess exposure and toxicity. Zinc protoporphyrin rises when lead disrupts heme synthesis, so it serves as an indirect indicator of lead exposure and related anemia—not a direct measurement of lead in the blood. The other tests mentioned do not assess lead exposure: hematocrit looks at the proportion of red blood cells, urine glucose checks sugar in urine, and a lipid panel screens cholesterol and triglycerides.