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What percent of birth defects are caused by teratogens?
About 7% of all congenital defects are caused by exposure to teratogens
What are the different types of teratogens?
The three general categories of teratogens are maternal disorders, drugs, and environmental influences.
Substances that lead to birth defects?
Teratogens
Agents that have a negative effect on prenatal development are called?
Teratogens
What are the causes of lung scar?
smoking, occupational teratogens,environmental pollution, fire.
How does multiple chemical sensitivity begin?
Multiple chemical sensitivity typically begins with one high-dose exposure to a chemical, but it may also develop with long-term exposure to a low level of a chemical.
Which of these statements is trueTeratogens were developed by scientists to aid in producing healthy fetuses?
Teratogens can cause birth defects.
Which characteristic is shown when a person smells a gas in the air?
Sensitivity
An environmental agent such as a drug chemical virus or other factor that produces a birth defect is known as?
teratogens
What are toxic substanced that cause severe fetal deformities or death called?
signs and symptoms of Chlamydia
Teratogen how do they get to the foetus?
Teratogens get to the fetus like anything the mother consumes does, through the blood and through the umbilical cord. If a mother consumes food, she also shares that foods nutrients with her fetus as well. Same way with teratogens (alcohol, tobacco, drugs, etc), when she consumes or imbibes them.
What factors that affect the impact of teratogens on the prenatal organism?
The factors that affect the impact of teratogens on the prenatal organism includ the dose, heredity, other negative influences, and age. -dose: larger doses over longer time periods usually have more negative effects -heredity: the genetic makeup of the mother and the developing organism plays and important role. Some individuals are better able than others to withstand harmful enviorments -other negative influences: the presence of several negative factors at once, such as additional teratogens, poor nutrition, and lack of medical care, can worsen the impact of a harmful agent -age: the effects of teratogens vary with age of the organism at time of exposure.
