All of the following beverages have a diuretic effect EXCEPT :

IGNOU PB Bsc Entrance-2023

Applied Nutrition & Dietetics

Easy

Appeared in: IGNOU PB Bsc Entrance-2023

Explanation

Milk is the correct answer as it is a hydrating fluid, not a diuretic.
Its composition of water, electrolytes, and macronutrients (proteins, fats) promotes fluid retention and slows gastric emptying, enhancing overall hydration.
Unlike the other options, milk does not contain substances like caffeine or ethanol that actively increase urine production by interfering with kidney function or hormonal regulation.

Option A: Tea is incorrect because it contains caffeine, a well-known mild diuretic.
Option B: Coffee is incorrect as it is a significant source of caffeine, which stimulates the kidneys to excrete more fluid.
Option D: Alcohol is incorrect because it is a potent diuretic. It suppresses the antidiuretic hormone (ADH), leading to increased urination and risk of dehydration.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Diuretic effects of common beverages as background academic context rather than a clinical decision trigger.
Nurses must educate patients on fluid and electrolyte balance. It's crucial to clarify that not all liquids are equally hydrating, especially for patients at risk of dehydration (e.g., those with fever, diarrhea) or fluid overload (e.g., heart or kidney failure).
For patients prescribed diuretic medications (e.g., furosemide), it is important to advise them about the additive diuretic effect of consuming caffeine and alcohol, which can increase the risk of dehydration and electrolyte imbalances.
What if? If a patient has chronic kidney disease and is on fluid restriction, recommending milk as a nutrient-dense part of their limited fluid allowance is often more beneficial than allowing tea or coffee, which offer less nutritional value and have a diuretic effect.

How to Approach the Question

First, identify the key concept in the question stem, which is 'diuretic effect'. A diuretic is a substance that increases urine production.
Pay close attention to the word 'EXCEPT'. This means you are looking for the one option that is NOT a diuretic.
Evaluate each option based on your knowledge of common beverages.
Recall that tea and coffee contain caffeine, which is a known mild diuretic.
Recall that alcohol is a potent diuretic because it inhibits the antidiuretic hormone (ADH).
This leaves milk. Consider its properties; it's known as a hydrating, nutritious drink. It does not contain diuretic compounds.

Concept Tested & Keywords

Concept Tested: Diuretic effects of common beverages
Stem keywords: beverages, diuretic effect
Lead-in keywords: EXCEPT
Negative lead-in flag: This question uses negative framing ('EXCEPT'), asking you to identify the option that does not fit the stated category (having a diuretic effect).

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