#1
Which of the following is a common source of lead exposure in children?
Drinking tap water
ExplanationLead pipes in older buildings may contaminate tap water.
#2
What is the primary route of lead exposure in adults?
Inhalation
ExplanationLead particles are commonly inhaled from contaminated air.
#3
Which organ is most severely affected by lead poisoning?
Brain
ExplanationLead can cause neurological damage, especially in the brain.
#4
What is the name of the medical treatment used to remove lead from the body?
Chelation therapy
ExplanationChelating agents bind to lead for elimination from the body.
#5
What is the main reason lead poisoning remains a global health concern?
It is difficult to detect
ExplanationSymptoms of lead poisoning can be nonspecific and easily overlooked.
#6
Which of the following is a symptom of acute lead poisoning?
Abdominal pain
ExplanationAbdominal pain is common in acute lead poisoning cases.
#7
Which of the following is NOT a common symptom of lead poisoning?
Muscle weakness
ExplanationMuscle weakness is not typically associated with lead poisoning.
#8
How does lead typically enter the body?
Through the mouth
ExplanationLead can be ingested from various sources, including contaminated food or water.
#9
Which of the following is NOT a potential source of lead exposure in homes?
Plastic toys
ExplanationPlastic toys typically do not contain lead.
#10
Which population group is most vulnerable to lead exposure?
Pregnant women
ExplanationLead exposure can harm both the mother and fetus.
#11
What is the acceptable blood lead level for children in the United States?
5 micrograms per deciliter (µg/dL)
ExplanationThis level is considered indicative of lead exposure.
#12
Which industry has historically been a significant source of lead exposure?
Construction
ExplanationConstruction workers may encounter lead in paints, pipes, etc.
#13
What is the mechanism of action of lead in the body that causes toxicity?
Interference with calcium absorption
ExplanationLead mimics calcium, disrupting various bodily functions.
#14
Which age group is most susceptible to lead poisoning?
Children under 6 years old
ExplanationYoung children are at higher risk due to their behaviors and physiology.
#15
Which of the following is a long-term effect of lead exposure?
Increased risk of hypertension
ExplanationLead exposure is linked to cardiovascular problems, including hypertension.
#16
What is the primary route of lead exposure in industrial settings?
Inhalation of lead dust or fumes
ExplanationWorkers inhale lead particles released during industrial processes.