A nurse is instructing a pregnant patient concerning the potential risk to her fetus from a pregnancy category B drug.
What would the nurse inform the patient?
There is evidence of human fetal risk, but the potential benefits from the use of the drug may be acceptable despite potential risks.
Animal studies have shown an adverse effect on the fetus, but there are no adequate studies in pregnant women.
Adequate studies in pregnant women have demonstrated that there is no risk to the fetus.
Animal studies have not demonstrated a risk to the fetus, but there have been no adequate studies in pregnant women.
The Correct Answer is D
Choice A rationale
Evidence of human fetal risk would categorize the drug as Category D or X, not Category B.
Choice B rationale
This statement aligns more with Category C drugs, where animal studies show adverse effects, but not Category B.
Choice C rationale
This describes Category A drugs, not Category B.
Choice D rationale
Category B drugs have shown no risk in animal studies but lack adequate human studies, fitting this description.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
The auricle is an ear-shaped appendage on the surface of the atrium and does not separate the right and left halves of the heart. Its function is to increase the capacity of the atrium, allowing for more blood to be collected and passed to the ventricles.
Choice B rationale
Syncytia refer to a multinucleated cell that can result from the fusion of multiple cells, which is not a structure that separates the right and left sides of the heart. They are typically related to muscle tissue and coordinated contractions.
Choice C rationale
The Bundle of His is a collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node to the point of the apex of the fascicular branches. It does not act as a separator between the right and left halves of the heart.
Choice D rationale
The septum is the structure that separates the right and left halves of the heart. It is a robust wall that divides the atria (interatrial septum) and the ventricles (interventricular septum), ensuring the segregation of oxygenated and deoxygenated blood.
Correct Answer is B
Explanation
Choice A rationale
It is not correct to say that women are more prone to adverse effects from medications than men. Adverse effects can vary based on individual responses, and gender is not the sole determinant.
Choice B rationale
Women of reproductive age are often excluded from early-phase drug trials due to the potential risks that experimental drugs could pose to developing fetuses. The reproductive risk needs to be carefully managed to avoid harm.
Choice C rationale
While it is true that drugs can affect women differently than men, this answer does not directly address the specific reason why women are excluded from Phase 1 studies, which is primarily due to the potential risks to reproductive health.
Choice D rationale
This is incorrect because drugs are not tested only on men because they are stronger. This statement is not scientifically accurate and does not reflect the principles of clinical trial design.
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