In symptomatic lead intoxication, blood lead levels generally range from 35 to 50 mcg/dL in children and 40 to 60 mcg/dL in adults. Severe toxicity is frequently found in association with blood lead levels of 70 mcg/dL or more in children and 100 mcg/dL or more in adults.
Definitions for razzing. Here are all the possible meanings and translations of the word razzing. Princeton's WordNet(0.00 / 0 votes)Rate this definition: boo, hoot, Bronx cheer, hiss, raspberry, razzing, razz, snort, bird(noun) a cry or noise made to express displeasure or contempt.
Definition of twitch. 1 : an act of twitching; especially : a short sudden pull or jerk. 2 : a physical or mental pang a twitch of remorse. 3 : a loop of rope or strap that is tightened over a horse's lip as a restraining device. 4a : a brief spasmodic contraction of the muscle fibersb : a slight jerk of a body part.