Podcast
Questions and Answers
What is the term for a specific abnormality that results from disruption of normal developmental processes that depend on time, not on the agent?
What is the term for a specific abnormality that results from disruption of normal developmental processes that depend on time, not on the agent?
- Disruption (correct)
- Malformation
- Syndrome
- Deformation
Which type of chromosomal abnormality is usually caused by a non-disjunction error in cell division?
Which type of chromosomal abnormality is usually caused by a non-disjunction error in cell division?
- Mutant genes
- Teratogens
- Numerical chromosomal abnormalities (correct)
- Structural chromosomal abnormalities
What is the term for a recognized pattern of malformations with a given etiology?
What is the term for a recognized pattern of malformations with a given etiology?
- Syndrome (correct)
- Disruption
- Deformation
- Malformation
Which of the following is an example of a teratogen?
Which of the following is an example of a teratogen?
What is the percentage of zygotes that have chromosomal aberrations?
What is the percentage of zygotes that have chromosomal aberrations?
What is the approximate incidence of trisomy 21 amongst livebirths?
What is the approximate incidence of trisomy 21 amongst livebirths?
What percentage of spontaneous abortions will have trisomy 18?
What percentage of spontaneous abortions will have trisomy 18?
Approximately what percentage of trisomy 13 conceptuses will end as spontaneous abortions or stillbirths?
Approximately what percentage of trisomy 13 conceptuses will end as spontaneous abortions or stillbirths?
What is the approximate incidence of trisomy 18 amongst livebirths?
What is the approximate incidence of trisomy 18 amongst livebirths?
Which trisomy is more common in livebirths than trisomy 13?
Which trisomy is more common in livebirths than trisomy 13?
