The parents are questioning why their newborn was born deaf when there are no other deaf family members.
At which stage of the pregnancy could the nurse explore possible exposure to a teratogenic agent?
18 weeks after fertilization.
6 weeks after fertilization.
12 weeks after fertilization.
Incomplete question/stem.
The Correct Answer is B
“6 weeks after fertilization.” Teratogens can begin affecting the developing embryo as early as 10 to 14 days after conception 1.
During embryonic development, there are periods when the developing organ systems show more sensitivity to teratogens.
Choice A is incorrect because 18 weeks after fertilization is not the earliest stage of pregnancy when exposure to a teratogenic agent could occur.
Choice C is incorrect because 12 weeks after fertilization is not the earliest stage of pregnancy when exposure to a teratogenic agent could occur.
Choice D is incorrect because this is not an incomplete question/stem.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
This can help prevent stomach acid from moving up into the esophagus and causing heartburn at night.
Choice A is not correct because exercise is generally safe during pregnancy and can have many benefits.
Choice B is not correct because sodium bicarbonate may not be safe for pregnant women to take.
Choice C is not correct because heartburn during pregnancy is common and usually does not require emergency medical care.
Correct Answer is D
Explanation
Fever is a sign of infection and can indicate that there is an infection at the pin sites.
Choice A is not correct because warmth can be a normal finding at the pin sites.
Choice B is not correct because mild erythema can be a normal finding at the pin sites.
Choice C is not correct because serosanguineous drainage can be a normal finding at the pin sites.
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