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 D
Explanation
A. Decreased response with sexual activity – Incorrect; decreased libido is common postpartum and not an urgent concern.
B. A scant non-odorous white vaginal discharge – Incorrect; lochia alba (whitish discharge) is normal at 4 weeks postpartum.
C. Uterine cramping during breastfeeding – Incorrect; cramping (due to oxytocin release) is expected postpartum.
D. A moderate serosanguineous malodorous discharge – Correct; foul-smelling lochia can indicate endometritis (a postpartum infection).
Correct Answer is B
Explanation
A. The client's height – Incorrect; medication dosages in pediatrics are based primarily on weight (mg/kg), not height.
B. The safe dosage range – Correct; the nurse must verify that the prescribed dose falls within the recommended safe range to prevent underdosing or overdosing.
C. The client's age – Incorrect; while age may influence dosing, weight-based calculations are more accurate.
D. The client's gender – Incorrect; gender does not typically affect pediatric dosing calculations.
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