Developing organs and body systems are highly susceptible to teratogens, which can cause major abnormalities. These teratogens usually fall into one of three categories: (Select all that apply.)
Hormonal imbalances
Chemicals
Environmental
Emotional stress
Infections
Physical trauma
Correct Answer : B,C,E
A. Hormonal imbalances – Incorrect; while maternal hormones can impact fetal growth, they are not classified as teratogens.
B. Chemicals – Correct; drugs, alcohol, and toxins (e.g., thalidomide, lead, mercury) can cause birth defects.
C. Environmental – Correct; radiation and pollutants can affect fetal development.
D. Emotional stress – Incorrect; while stress affects pregnancy outcomes, it is not classified as a teratogen.
E. Infections – Correct; infections such as rubella, toxoplasmosis, and syphilis can cause severe congenital abnormalities.
F. Physical trauma – Incorrect; trauma can harm the fetus but is not a teratogen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Counterpressure – Incorrect; nurses can perform counterpressure to help with back labor pain.
B. Cold therapy – Incorrect; ice packs or cold compresses can be applied without certification.
C. Acupuncture – Correct; acupuncture requires specialized training and certification.
D. Effleurage – Incorrect; light massage techniques can be taught and performed by nurses.
Correct Answer is B
Explanation
A. Dilation – Incorrect; dilation refers to the opening of the cervix, not its thinning.
B. Effacement – Correct; effacement refers to the thinning and shortening of the cervix as labor progresses.
C. Ballottement – Incorrect; ballottement is the rebound of the fetus when tapped during a vaginal exam.
D. Multiparous – Incorrect; multiparous refers to a woman who has given birth multiple times.
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