NCLEX Study Guide 2026

Aspirin (salicylate) overdose is a serious condition that can lead to various complications, including direct toxicity to the lungs. This toxicity can cause non-cardiogenic pulmonary edema, which is a life-threatening accumulation of fluid in the lungs. Monitoring for this acute respiratory complication is crucial during the management of aspirin overdose.

Dark, tarry stools are a common and expected side effect of iron supplements, caused by unabsorbed iron passing through the digestive system. Educating the client about this normal change helps prevent unnecessary alarm and ensures medication adherence. This understanding is crucial for clients starting iron therapy.

Nurses should decline to witness legal documents like wills to avoid potential conflicts of interest or accusations of undue influence. Witnessing a will can compromise the nurse's professional objectivity and role, especially if the client's competency or the will's validity is later questioned. It is best practice for nurses to maintain a clear boundary and avoid involvement in such legal matters.

C. difficile forms spores that are NOT killed by alcohol-based hand sanitizers. Soap and water with vigorous friction for at least 20 seconds is required to physically remove spores from the hands. This is a critical distinction from most other pathogens where alcohol rub is equally effective.

Hemorrhagic shock is characterized by hypotension (BP 100), pallor, and diaphoresis from decreased cardiac output and compensatory sympathetic activation. These are emergency findings requiring immediate IV access, fluid resuscitation, blood products, and urgent endoscopy.

Latex is found in many clinical items: rubber gloves, blood pressure cuffs, tourniquets, IV tubing injection ports, catheter balloons, stethoscope tubing, and tape backings. A latex-safe environment requires latex-free substitutes for all equipment. Cross-reactivity foods include bananas, avocados, kiwi, and chestnuts.