Which of the Following Is Not Usually Considered a Teratogen

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Caffeine is not considered to be a teratogen. Aspirin can also cause teratogenic effects but only when taken in higher doses.

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Which structure below is formed from ectodermal tissues.

. Teratogens are usually discovered after an increased prevalence of a particular birth defect. Ionizing and non-ionizing radiation. Teratogens can all be avoided with careful planning.

Hence it is usually not considered as a potent teratogen. Environmental chemicals organic mercury compounds polychlorinated biphenyl or PCB herbicides and industrial solvents. What are dependent and independent variables in the following.

C Smaller doses over shorter time periods have more negative effects. The effects of teratogens may depend upon when after conception they are encountered. B Any environmental agent that causes damage during the prenatal period is a teratogen.

It is however a stimulant and diuretic which can cause an increase in an individuals blood pressure and heart rate. A teratogen is any agent that causes an abnormality following fetal exposure during pregnancy. Case reports are rarely persuasive in themselves except perhaps if the agent is a usually potent teratogen few women have been exposed and the consequent malformation is rare.

If consumed during pregnancy caffeine can cross the placenta and can have similar effects on the developing fetuss blood pressure and heart rate. For example in the early 1960s a drug known as thalidomide was used to treat morning sickness. Non-ionizing radiation is not teratogenic.

Radiation pesticides drugs and X-rays would all be considered teratogens. Exposure to teratogens is more likely to affect the fetusthan the embryo. In stage ____ of labor contractions cause.

Physical agents ionizing agents hyperthermia. Which of the following statements is true. Teratogenic factors related to the father do not affect the developing baby.

There are two types of radiation. Maternal health factors diabetes maternal PKU. Teratogenic agents include infectious agents rubella cytomegalovirus varicella herpes simplex toxoplasma syphilis etc.

A teratogen is any agent or condition that increases the risk for _____. 13 In most cases however the association of a congenital malformation and an environmental exposure is. Some examples of teratogens known to cause human malformations are listed in the table below Table 23-2.

Agents that can result in malformations of the embryo are called teratogens and they include alcohol wine tobacco nicotine thalidomide and German measles. Environmental chemicals organic mercury compounds polychlorinated biphenyl or PCB herbicides and industrial solvents. A German measles B nicotine C aspirin D wine.

Which of the following regarding the human genome is TRUE. Research has found moderate exercise defined as up to 35 minutes at 50 to 70. Which statement is not true about teratogens.

The amount of harm to a fetus increases the more the pregnant person consumes or is exposed to a teratogen. Which factor below is NOT considered to be a teratogen. A teratogen is any agent that causes an abnormality following fetal exposure during pregnancy.

Hyperthermia can be caused by things like exercise hot tubs and saunas. C Depression during pregnancy is more dangerous to mother and child than any drug could be. Teratogenic agents include infectious agents rubella cytomegalovirus varicella herpes simplex toxoplasma syphilis etc.

The effect of teratogen is absent if the mother was exposed to it before conception. The longer a fetus is exposed to a teratogen the more dangerous the effects. Few foetuses are actually exposed to teratogens.

Bypass the pulmonary circuit. Just as the mother being outside in the sunlight during pregnancy does not interfere with the development of the fetus. Which of the following is NOT usually considered a teratogen.

A The harm done by teratogens is simple and straightforward. All of these are teratogens. The function of the ductus arteriosus is to.

Some teratogens including alcohol and smoking have a more harmful impact on a developing fetus than others. Maternal health factors diabetes maternal PKU. If a statement is false write in the correct statement.

X-rays are an example of ionizing radiation while ultraviolet rays sunlight and microwaves are examples of non-ionizing radiation. Hyperthermia abnormally high body temperature can be teratogenic during pregnancy. Which of the following is NOT a teratogen.

Which of the following is NOT a function of the placenta. Physical agents ionizing agents hyperthermia. Radiation lead and pesticides are considered teratogens.

Exposure of the fetus during this early stage of development resulted in cases of phocomelia a. We can usually predict with certainty what their effects will be. Consider the following statements with regard to atmospheric humidity.

Male foetuses are far more likely to be affected by teratogens than female foetuses. Effects of teratogens during this period of developmental often times results in an all or none effect That is the effect of the teratogen if it is to have any effect will be so profound as to cause a spontaneous abortion. 13 Such was the case with warfarin diethylstilbestrol and isotretinoin.

Mitigating hyperthermia risk involves ensuring that your core body temperature does not rise above 39 C 1022 F. D Severe levels of depression which require medication should serve as a contraindication to pregnancy. D Teratogens have an equal impact on fetal development during each prenatal period.

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