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Questions and Answers
What is the primary focus of the sub-discipline of teratology in medical genetics?
What is the primary focus of the sub-discipline of teratology in medical genetics?
- identifying teratogenic substances
- developing treatments for congenital disabilities
- classifying congenital abnormalities in dysmorphology (correct)
- studying the causes of miscarriage
What is a teratogen?
What is a teratogen?
- a medical condition that causes congenital abnormalities
- a substance that interferes with normal fetal development (correct)
- a type of congenital disability
- a substance that promotes normal fetal development
What is a key factor that determines susceptibility to teratogenesis?
What is a key factor that determines susceptibility to teratogenesis?
- age of the mother
- duration of exposure to the teratogen (correct)
- type of teratogen
- all of the above
During which stage of development is the embryo most susceptible to teratogens?
During which stage of development is the embryo most susceptible to teratogens?
What is a possible effect of teratogens on the embryo during the pre-differentiation stage?
What is a possible effect of teratogens on the embryo during the pre-differentiation stage?
What are the two types of anomalies that can be caused by teratogens?
What are the two types of anomalies that can be caused by teratogens?
What is a congenital birth defect characterized by a baby being born without parts of the brain and skull?
What is a congenital birth defect characterized by a baby being born without parts of the brain and skull?
What is the effect of ionizing radiation on a fetus?
What is the effect of ionizing radiation on a fetus?
What is the effect of lead on a fetus?
What is the effect of lead on a fetus?
What is the result of the neural tube not closing all the way?
What is the result of the neural tube not closing all the way?
What is characterized by shorter than normal skeletal growth?
What is characterized by shorter than normal skeletal growth?
What is the result of hyperthermia on a fetus?
What is the result of hyperthermia on a fetus?
What is the result of an enzyme deficiency?
What is the result of an enzyme deficiency?
What is the term for the failure of an organ to develop during embryonic growth and development?
What is the term for the failure of an organ to develop during embryonic growth and development?
Which of the following is an example of a Physical Agent teratogen?
Which of the following is an example of a Physical Agent teratogen?
What is the term for a tissue found in an abnormal place or position?
What is the term for a tissue found in an abnormal place or position?
What is the condition caused by alcohol exposure during pregnancy?
What is the condition caused by alcohol exposure during pregnancy?
What is a characteristic of Fetal Alcoholic Syndrome (FAS)?
What is a characteristic of Fetal Alcoholic Syndrome (FAS)?
What was the first human teratogen identified in 1941?
What was the first human teratogen identified in 1941?
What was the outcome for children born to mothers who took thalidomide during pregnancy?
What was the outcome for children born to mothers who took thalidomide during pregnancy?
What period of pregnancy is crucial for the development of vital organs and systems?
What period of pregnancy is crucial for the development of vital organs and systems?
What is the consequence of maternal influenza exposure during the first trimester?
What is the consequence of maternal influenza exposure during the first trimester?
When does brain development commence during pregnancy?
When does brain development commence during pregnancy?
What is the current use of thalidomide?
What is the current use of thalidomide?
What is the primary focus of the study of teratology?
What is the primary focus of the study of teratology?
What is the significance of teratogenic effects in understanding human health?
What is the significance of teratogenic effects in understanding human health?
What is a major contributor to the threat of teratogenic effects on developing fetuses?
What is a major contributor to the threat of teratogenic effects on developing fetuses?
What was the outcome of the experiment involving pregnant pigs fed a vitamin A-deficient diet in the 1930s?
What was the outcome of the experiment involving pregnant pigs fed a vitamin A-deficient diet in the 1930s?
What is the primary goal of understanding the mechanisms behind teratogenic effects?
What is the primary goal of understanding the mechanisms behind teratogenic effects?
What is the term used to describe the study of abnormal development?
What is the term used to describe the study of abnormal development?
