A nurse is reviewing a medication order for a pregnant client. The medication is classified as Pregnancy Category D. The nurse understands that this category indicates:
Animal studies show no risk, but human studies are lacking.
Risk in animals, but no adequate human studies have been conducted.
Known human risk, but the benefit may outweigh the risk in certain situations.
Proven risk, and the medication should be avoided during pregnancy.
The Correct Answer is C
Pregnancy Category D medications are drugs that have shown positive evidence of human fetal risk, but the potential benefits may outweigh the risks in certain clinical situations. Nurses must carefully assess the client’s condition and collaborate with the healthcare provider to determine if the medication is essential for the mother’s health. Safe medication practices include providing patient education on the risks and close monitoring during therapy.
Rationale for correct answer:
3. Pregnancy Category D medications have demonstrated fetal risk based on human studies, but in certain serious or life-threatening conditions, the potential benefit to the mother may justify their use despite these risks.
Rationale for incorrect answer:
1. Animal studies showing no risk but lacking human studies describe Pregnancy Category B, not Category D. Category D reflects known evidence of human fetal risk, not absence of risk in animals.
2. Risk in animals with no adequate human studies describes Pregnancy Category C. Category D is based on human data showing potential harm, making it more severe than Category C.
4. Proven fetal risk with strong contraindication for use in pregnancy describes Pregnancy Category X, not Category D. Category X medications should never be used in pregnancy due to clear evidence of fetal harm.
Take-home points:
- Category D medications pose known fetal risk but may be used if benefits outweigh the risks.
- These drugs require close provider judgment and informed patient consent.
- Nurses must monitor for adverse effects and educate pregnant clients on potential risks.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Schedule I substances are classified as controlled drugs with no accepted medical use in the United States and carry the highest potential for abuse and dependence. Examples include heroin, LSD, and ecstasy, which are illegal for medical treatment. Understanding the controlled substance schedules ensures safe handling and compliance with federal regulations.
Rationale for correct answer:
3. Schedule I substances, such as heroin and LSD, have no accepted medical use in the United States and possess the highest potential for abuse, which is why they are strictly prohibited for medical practice.
Rationale for incorrect answer:
1. Schedule II drugs, such as morphine and oxycodone, have a high potential for abuse and dependence but are recognized for their accepted medical uses under strict prescribing guidelines.
2. Schedule III substances, like ketamine, have a moderate to low potential for physical and psychological dependence and accepted medical uses in the U.S., making them less restricted than Schedules I and II.
4. Schedule V drugs, such as cough preparations containing less than 200 mg of codeine, have the lowest potential for abuse and accepted therapeutic uses, making them the least regulated controlled substances.
Take-home points:
- Schedule I substances have no accepted medical use and the highest abuse potential.
- Examples include heroin, LSD, and ecstasy—prohibited in all medical settings.
- Understanding drug schedules supports safe handling and legal compliance in nursing practice.
Correct Answer is B
Explanation
Warfarin is classified as a high-alert medication due to its narrow therapeutic range and significant risk of bleeding complications if administered incorrectly. Nurses must perform careful dose verification, monitor INR levels regularly, and educate patients on dietary interactions and signs of bleeding. Extra caution is required during administration, patient education, and monitoring to prevent serious adverse outcomes.
Rationale for correct answer:
2. Warfarin is classified as a high-alert medication because of its potent anticoagulant properties and its narrow therapeutic index. Even small deviations from the prescribed dose can lead to serious adverse outcomes, including life-threatening bleeding or thromboembolic events if the dose is too low.
Rationale for incorrect answer:
1. Acetaminophen is widely used for pain and fever management and is not categorized as a high-alert medication; while overdose can cause hepatotoxicity, it is not typically associated with immediate life-threatening administration errors.
3. Loratadine is an over-the-counter antihistamine used for allergy relief and does not carry the same level of risk if mis-administered, so it is not listed as a high-alert drug.
4. Omeprazole is a proton pump inhibitor used for acid reflux and ulcers. Although improper use can lead to side effects, it does not pose an immediate, life-threatening risk, unlike high-alert medications.
Take-home points:
- Warfarin is a high-alert anticoagulant requiring precise dosing and INR monitoring.
- Small dosing errors with warfarin can cause serious bleeding or clotting complications.
- Nurses must educate patients on diet, signs of bleeding, and drug interactions with warfarin.
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