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","E"]
Explanation
Choice A rationale
Asking the patient if they take any medication is redundant since this information has already been collected.
Choice B rationale
Inquiring if the patient takes "this medication" is vague and does not provide specific information about the types of medication they are taking.
Choice C rationale
Asking about medication safety practices does not directly relate to the types of medications the patient is taking.
Choice D rationale
It is important to ask about herbs, vitamins, or supplements as these can interact with prescribed medications and affect the patient's health.
Choice E rationale
Over-the-counter (OTC) medications can also have significant interactions with prescription drugs and impact the patient's overall health and treatment plan.
Correct Answer is A
Explanation
Choice A rationale
Myasthenia gravis is an autoimmune neuromuscular disorder characterized by weakness and fatigue of the skeletal muscles. Improvement of ptosis after administration of edrophonium (Tensilon), a short-acting acetylcholinesterase inhibitor, is a diagnostic indicator of myasthenia gravis.
Choice B rationale
Cerebral palsy is a group of permanent movement disorders that appear in early childhood. It is primarily caused by abnormal development or damage to the brain and does not exhibit rapid improvement with edrophonium.
Choice C rationale
Multiple sclerosis is a chronic illness involving the central nervous system, where the immune system attacks the protective sheath (myelin) that covers nerve fibers. It does not respond to edrophonium as myasthenia gravis does.
Choice D rationale
Muscle spasm refers to an involuntary contraction of a muscle that can be sudden and painful. This condition is not typically diagnosed or treated with edrophonium, which is specific for myasthenia gravis. .
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