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Ch 2 book terms FAD3220 Exam Questions and Answers
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Ch 2 book terms FAD3220 Exam Questions and Answers
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Ch 2 book terms FAD3220 ExamQuestions and Answers
Huntington's disease - Answer -Mutations in the HTT gene.
Schizophrenia - Answer -There are more than 100 genes that have been associated
with this, but DRD2 appears to be of particular importance.
genetic counseling - Answer -the discipline that focuses on helping people deal with
issues relating to inherited disorders
Embryoscopy - Answer -Examines the embryo or fetus during the first 12 weeks of
pregnancy by means of a fiber-optic endoscope inserted through the cervix. Can be
performed as early as week 5. Access to the fetal circulation may be obtained through
the instrument, and direct visualization of the embryo permits the diagnosis of
malformations.
Fetal blood sampling (FBS) - Answer -Performed after 18 weeks of pregnancy by
collecting a small amount of blood from the umbilical cord for testing. Used to detect
Down syndrome and most other chromosome abnormalities in the fetuses of couples
who are at increased risk of having an affected child. Many other diseases can be
diagnosed using this technique.
Sonoembryology - Answer -Used to detect abnormalities in the first trimester of
pregnancy. Involves high-frequency transvaginal probes and digital-image processing.
In combination with ultrasound, can detect more than 80 percent of all malformations
during the second trimester.
blastocyst - Answer -fertilized egg
Ectoderm - Answer -form skin, hair, teeth, sense organs, and the brain and spinal cord
Endoderm - Answer -produces the digestive system, liver, pancreas, and respiratory
system
mesoderm - Answer -form muscles, bones, blood, and circulatory system
corticotropin-releasing hormone (CRH) - Answer -triggers the release of various
hormones, and the process that leads to birth begins.
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