Fluid, Electrolytes, and Acid-Base Imbalances

Fluid and electrolyte imbalances can quickly become life-threatening because they affect circulation, nerve transmission, muscle contraction, and cardiac function. For the NCLEX-RN and PNLE, understanding the underlying physiology is just as important as memorizing laboratory values. This review connects assessment findings, laboratory results, medications, and nursing priorities so you can recognize complications and choose the safest intervention.

Skin Antisepsis: Circular vs. Back-and-Forth Technique Before Invasive Procedures

Choosing the correct skin antisepsis technique is an important consideration before invasive procedures. Nurses are commonly taught to apply antiseptic using circular motions, moving from the intended insertion site outward, while other protocols emphasize back-and-forth friction. But does the direction of application actually affect microbial reduction? Research comparing these methods has produced findings that depend partly on the antiseptic formulation and study conditions. Understanding these differences helps nurses distinguish established infection-prevention practices from assumptions based on traditional teaching. This article examines the evidence and translates it into practical guidance for nursing practice.

Magnesium vs. Melatonin for Sleep: Which Is Better?

 

Magnesium and melatonin are two popular supplements used by people who have difficulty sleeping. Although both are associated with sleep, they work differently and are not interchangeable.

Magnesium vs. Melatonin: The Quick Answer

Melatonin has stronger evidence for certain sleep-timing problems, such as jet lag. However, neither magnesium nor melatonin is recommended as a routine treatment for chronic insomnia because the available evidence is insufficient. For adults with chronic insomnia, cognitive behavioral therapy for insomnia (CBT-I) is a more strongly supported treatment. See the National Center for Complementary and Integrative Health (NCCIH) and the American Academy of Sleep Medicine guideline.

The better choice depends on the underlying problem. Someone whose sleep schedule is disrupted by traveling across time zones may benefit from appropriately timed melatonin. Someone with a magnesium deficiency should have that deficiency addressed, but taking additional magnesium does not guarantee better sleep.

Maternity Nursing: Hypertensive Disorders in Pregnancy

Maternal Nursing: Hypertensive Disorders in Pregnancy

30-item NCLEX-NGN style clinical judgment assessment

Choose the best answer.

30 minutes. The timer begins when Start Quiz is selected. If time expires, the quiz is automatically submitted and the answers, score, and rationales are revealed. (Click the title of this post if start button doesn't respond then click Start Quiz)

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Is Creatine Safe? Benefits, Side Effects and Kidney Health

You've probably heard someone at the gym talk about creatine. Maybe you've seen it recommended on TikTok, watched fitness influencers swear by it, or considered taking it yourself to build muscle and improve your workouts.

But here's the thing: Does creatine actually work, and is it safe to take every day?

There are plenty of claims online about what creatine can do. Some people say it helps you get stronger and build muscle faster. Others worry that it causes hair loss, makes you gain fat, or damages your kidneys. And then there's the question almost everyone seems to ask: Should I take it before or after my workout?

With so much information floating around, it can be difficult to separate facts from fitness myths.

So, let's look at what scientific research actually tells us. We'll explore the benefits of creatine, how much you need to take, whether timing matters, and what studies say about its possible side effects, particularly its effects on kidney function.

This isn't about convincing you to buy a supplement. It's about understanding what creatine can realistically do, what the evidence doesn't prove, and whether taking it makes sense for you.

Let's start with the science.

Medical-Surgical Nursing: Care of Clients with Burns Quiz

What Nursing Specialty Should I Choose? Take the Nursing Specialty Quiz

Nursing Career Fit Assessment

What should be my nursing specialty?

Explore 36 situational questions designed to help you reflect on your nursing interests, working preferences, and potential specialty matches. Open the full article to take the interactive assessment and view your results.