Practice Quiz for Detection

No. of Questions= 13
INSTRUCTIONS: To answer a question, click the button in front of your choice. A response will appear in the window below the question to let you know if you are correct. Be sure to read the feedback. It is designed to help you learn the material. You can also learn by reading the feedback for incorrect answers.

1 Karyotyping can be done from:
a)  any cell in your body
b)  only sex cells
c)  only embryonic or fetal cells
2 Amniocentesis, chorionic villi sampling, and alpha-feto protein sampling are done to determine:
a) the likely date of birth
b) whether or not the baby will be normal or abnormal
c) whether or not the mother has a genetic defect
d) A and B
3 Amniocentesis involves sampling:
a) the liquid immediately surrounding a fetus
b) the amnion
c) the placenta
4 Results of amniocentesis tests usually come back from the laboratory in:
a) 1 day or less
b) 1-2 days
c) 3-4 weeks
5 Amniocentesis usually is not done before the __________ week after conception.
a) 4th-5th
b) 10th-12th
c) 15th-16th
6 Which of the following procedures has the lowest risk for an unborn child?
a) amniocentesis
b) chorionic villi sampling
c) alpha-feto protein screening
7 Amniocentesis can be used to determine whether or not an unborn child will:
a) have diabetes
b) have Down syndrome
c) be obese
d) all of the above
8 A chorion is:
a) a sack within a pregnant woman's uterus containing the amniotic fluid that surrounds a fetus
b) a membrane that develops around an embryo and contributes to the formation of the placenta
c) an organ in the uterus that is connected to a fetus by the umbilical cord
9 Which of the following procedures usually involves inserting a small flexible plastic tube through the vagina into the uterus?
a) amniocentesis
b) chorionic villi sampling
c) alpha-feto protein screening
10 Which of the following diagnostic procedures is more commonly used in North America today?
a) amniocentesis
b) chorionic villi sampling
11 Compared to amniocentesis and chorionic villi sampling, alpha-feto protein screening is _______________ in detecting chromosomal abnormalities.
a) more reliable
b) about equally reliable
c) less reliable
12 AFP screening can incorrectly produce results indicating that a fetus has genetic defects if:
a) the date of conception has been miscalculated
b) the mother is anemic
c) the mother has Rh negative blood
13 Alpha-feto protein is a substance normally produced by:
a) the mother
b) the fetus



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