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Pathophysiology Study Set 1

Medicine

Quiz 21 :

Congenital and Genetic Disorders

Quiz 21 :

Congenital and Genetic Disorders

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Which statement applies to the effects of exposure to harmful substances during embryonic life? 1) During the first two weeks, exposure will usually cause death of the embryo. 2) Organs or body structures may be altered by exposure during the first two months. 3) The effects of exposure depend on the stage of development at the time of exposure. 4) Metabolic abnormalities usually follow exposure to teratogens.
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C

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What is the term for an arrangement of the chromosomes from an individual's cell, organized in pairs based on size and shape?
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C

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A spontaneous alteration in genetic material that may result from exposure to harmful substances is termed:
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D

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Down syndrome is an example of a/an:
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A person with sickle cell trait that is heterozygous has:
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In the case of an X-linked recessive disorder, a carrier mother and unaffected father could produce a/an:
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What is characteristic of a congenital disorder?
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A father affected with hemophilia A, whose wife is unaffected, will pass on the defective gene to:
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TORCH is an acronym for routine prenatal screening tests for high-risk maternal infections; TORCH stands for:
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Which of the following statements applies to Huntington's disease?
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A mother is a carrier of Duchenne muscular dystrophy; the father is unaffected. They have one son with muscular dystrophy. Another male child is expected. The probability of the second son having muscular dystrophy is:
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Agents that cause damage during embryonic or fetal development are called:
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Exposure to cocaine during pregnancy leads to increased risk of:
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Which of the following are common manifestations of Down syndrome? 1) Congenital heart defect 2) Cleft lip and palate 3) Large protruding tongue 4) Limited intellectual development
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What is an example of a multifactorial congenital disorder?
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Ultrasonography during pregnancy would be helpful in detecting fetal:
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Hemophilia A has been diagnosed in a young boy. He has inherited this defective gene from:
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What is the probability of two parents, both carriers of a defective recessive gene, producing a homozygous child (with each pregnancy)?
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Which of the following statements applies to the sex chromosomes?
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Which of the following statements regarding Down syndrome is TRUE?
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