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Old 08-14-2011
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ObGyn Pregnant Lady Exposed to X Ray!

A 24-year-old woman is in a car accident and is taken to an emergency room, where she receives a chest x-ray and a film of her lower spine. It is later discovered that she is 10 weeks pregnant. Which of the following is the most appropriate statement to make to the patient?
a. The fetus has received 50 rads
b. Either chorionic villus sampling (CVS) or amniocentesis is advisable to check for fetal chromosomal abnormalities
c. At 10 weeks, the fetus is particularly susceptible to derangement of the central nervous system
d. The fetus has received less than the assumed threshold for radiation damage
e. The risk that this fetus will develop leukemia as a child is raised
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  #2  
Old 08-14-2011
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option C.....
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Old 08-14-2011
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B) Either chorionic villus sampling (CVS) or amniocentesis is advisable to check for fetal chromosomal abnormalities

I think that ionizing radiation can cause DNA breaks so we should check the fetus for any mutations or chromosomal abnormalities right.
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Old 08-14-2011
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the ans E the most susceptible period is of embryogenesis from week3 to week 8 so we cn xplain the family regarding the consequences of radiation xposure
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Old 08-14-2011
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i hav no clue... bt i would go wid A)..the fetus has probably received 50 rads...
cvs/amniocentesis is done in 2nd trimester, cns development is complete(structural) by 6 weeks, bt i guess differentiation continues throughout 1st trimester...no idea abt D). and E)...
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Old 08-14-2011
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d. The fetus has received less than the assumed threshold for radiation damage
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Old 08-14-2011
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i wil choose A!!!!!!!!!!!!!!
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Old 08-14-2011
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my guess is D)
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Embryology-, Emergency-Medicine, Radiology-, Step-1-Questions

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