Answer to Question 1
A
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A The maternal serum level of alpha-fetoprotein is used to screen for Down syn-drome, neural tube defects, and other chromosome anomalies.
B The quadruple marker test would not detect this fetal anomaly. Additional test-ing such as ultrasonography and amniocentesis would be required to diagnose it.
C The quadruple marker test would not detect this fetal anomaly. Additional test-ing such as ultrasonography and amniocentesis would be required to diagnose it.
D The quadruple marker test would not detect this fetal anomaly. Additional test-ing such as ultrasonography and amniocentesis would be required to diagnose it.
Answer to Question 2
A, B, E
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Correct Structural abnormalities of the ear, a family history of hearing loss, and
trauma are risk factors for hearing loss. Other risk factors include
persistent otitis media and developmental delay. The American Academy
of Pediatrics suggests that infants who demonstrate hearing loss be eligible
for early intervention and specialized hearing and language services.
Incorrect Prenatal alcohol or drug intake and gestational diabetes are not risk factors
for hearing loss in the infant.
Tracking time of marker entry generates a chromosome map
Down Syndrome Features
Outgroup role in relative rate test
If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ...
Risk of Down Syndrome (Trisomy 21) by Maternal Age
The Ames test for potential mutagenicity of chemical compounds