Higher Human Biology unit 2 topic 4 Antenatal and postnatal screening
Quiz by Linsey Macdonald
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13 questions
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- Q1What is the purpose of postnatal screening?To detect any potential health conditions or developmental disorders in newbornsTo determine the gender of the newbornTo assess the intelligence of the newbornTo measure the weight and height of the newborn30s
- Q2What is the purpose of antenatal screening?To determine the baby's genderTo track the baby's heart rateTo monitor the mother's blood pressureTo identify any potential risks or abnormalities in the fetus or mother during pregnancy30s
- Q3When testing for genetic disorders before birth, which of the following is typically used?Blood testAmniocentesisX-rayStethoscope30s
- Q4Which of the following is a prenatal screening test used to detect Down syndrome?Nuchal translucency (NT) scanColonoscopyUrinalysisPap smear30s
- Q5Which of the following statements about amniocentesis and chorionic villus sampling is true?They are performed after the baby is bornThey are 100% accurate in detecting genetic abnormalitiesThey both carry a small risk of miscarriageThey are used to test the mother's DNAThey can only detect gender of the fetus30s
- Q6What is the main difference between amniocentesis and chorionic villus sampling?Amniocentesis and chorionic villus sampling are the same procedure with different namesAmniocentesis collects amniotic fluid, while chorionic villus sampling collects tissue from the placentaAmniocentesis and chorionic villus sampling collect blood samplesAmniocentesis collects tissue from the placenta, while chorionic villus sampling collects amniotic fluidAmniocentesis and chorionic villus sampling collect the same type of sample30s
- Q7Which of the following is not a characteristic of autosomal recessive inheritance?Two unaffected parents can have an affected childMales and females are equally affectedBoth parents must carry the recessive alleleThe trait tends to skip generations30s
- Q8Which of the following best describes a carrier in genetics?An individual who carries a dominant allele and expresses the traitAn individual who carries genes on different chromosomesAn individual who carries a recessive allele but does not express the traitAn individual who carries multiple alleles for a specific gene30s
- Q9Color blindness is a sex-linked trait. Which sex is more likely to be affected by color blindness?MalesFemalesBoth males and femalesNeither males nor females30s
- Q10In sex-linked inheritance, if a male inherits a recessive allele for a trait on his X chromosome, what is the chance that he will express the trait?25%50%0%100%30s
- Q11In incomplete dominance, what is the phenotypic ratio of a cross between two heterozygous individuals?1:2:11:1:12:13:11:330s
- Q12Phenylketonuria (PKU) is a genetic disorder characterized by the body's inability to break down which amino acid?LeucinePhenylalanineGlycineTyrosine30s
- Q13Which of the following is a common symptom of phenylketonuria (PKU)?Intellectual disabilityHypertensionSkeletal abnormalitiesVision loss30s