Pediatric Nutrition — MCQs

Pediatric Nutrition Indian Medical PG Practice Questions and MCQs

Question 431: What is the primary developmental consequence for children who are chronically on a soft diet?

A. Reduced jaw muscle development (Correct Answer)
B. Increased risk of dental issues
C. Improved digestion
D. No significant change in eating habits

Explanation: ***Reduced jaw muscle development*** - A **soft diet** requires less chewing force, leading to insufficient stimulation for the proper development of **masticatory muscles** and the **jawbone**. - This can result in a **smaller jaw** and potential **malocclusion** as there is less space for teeth to erupt correctly. - This is the **primary developmental consequence** affecting craniofacial growth and oral motor development. *Increased risk of dental issues* - While soft diets do increase caries risk (reduced self-cleansing, increased food retention), this is considered a **secondary consequence** rather than the primary developmental impact. - Soft foods, especially if carbohydrate-rich, can be more **cariogenic**, but this relates to dietary content rather than the developmental effects of reduced chewing. *Improved digestion* - A soft diet may be medically indicated for individuals with **digestive problems** or during recovery, but for healthy children, it does not inherently lead to improved digestion. - Optimal digestion in healthy children benefits from a balanced diet including varied textures that stimulate **saliva production** and proper chewing mechanics. *No significant change in eating habits* - Prolonged soft diets can significantly impact eating habits, potentially leading to **picky eating** or aversion to textured foods later in life. - Developing appropriate chewing and swallowing skills is crucial for diverse food acceptance and **oral motor development**.

Question 432: Kwashiorkor is diagnosed in growth-retarded children along with:

A. Edema and mental changes (Correct Answer)
B. Edema and hypopigmentation in skin
C. Hepatomegaly and mild anemia
D. Hypopigmentation and mild anemia

Explanation: ***Edema and mental changes*** - **Kwashiorkor** is characterized primarily by **edema**, often pitting, due to **hypoalbuminemia** from severe protein deficiency. - **Mental changes**, including apathy, irritability, and decreased responsiveness, are also common features reflecting the brain's impaired function due to malnutrition. *Edema and hypopigmentation in skin* - While kwashiorkor does cause **edema**, **hypopigmentation of the skin** can occur but is not a universally defining or primary diagnostic feature as mental changes are. - Skin changes, often described as "flaky paint" dermatosis, are diverse and not limited to just hypopigmentation. *Hepatomegaly and mild anemia* - **Hepatomegaly** (enlarged liver) due to fatty infiltration is a common finding in kwashiorkor, and **anemia** is also frequently present. - However, these are secondary manifestations that do not define the core clinical picture as strongly as edema and mental status alterations. *Hypopigmentation and mild anemia* - While both **hypopigmentation** and **mild anemia** can be present in kwashiorkor, they are not the most prominent or diagnostic features. - The absence of **edema**, a hallmark symptom, makes this option less complete in describing the primary clinical presentation.

Question 433: At what age should the first dose of vitamin A be administered to children?

A. 3 months
B. 6 months (Correct Answer)
C. 9 months
D. 12 months

Explanation: ***6 months*** - The **World Health Organization (WHO)** and **Indian Academy of Pediatrics (IAP)** recommend the first dose of vitamin A supplementation at **6 months of age** as per updated guidelines. - The first dose is **100,000 IU (1 lakh IU)**, given when complementary feeding begins, followed by subsequent doses every 6 months until 5 years of age. - This timing ensures protection during the **critical period** when maternal vitamin A stores deplete and dietary intake may be insufficient, reducing the risk of **xerophthalmia, impaired immunity, and childhood mortality**. *3 months* - Administering vitamin A at 3 months is **too early** as infants typically have adequate vitamin A stores from maternal sources and exclusive breastfeeding. - Early high-dose supplementation at this age is **not recommended** and could potentially lead to toxicity. *9 months* - While **older guidelines** (National Vitamin A Supplementation Programme) recommended the first dose at 9 months with routine immunization, **current IAP and WHO recommendations** have shifted this to **6 months** for earlier protection. - 9 months is now considered the timing for the **second dose** (200,000 IU) in the updated schedule. *12 months* - Delaying the first dose until 12 months means missing the **critical window** between 6-12 months when vitamin A deficiency risk rises significantly. - This delay increases the risk of **vitamin A deficiency-related morbidities** including impaired immunity, increased susceptibility to infections, and ocular complications like night blindness.

Question 434: A 5-year-old female patient complains of a deformed shape of her legs. The patient is a strict vegetarian, and laboratory investigations reveal elevated levels of alkaline phosphatase. This patient may be suffering from a deficiency of:

A. Vitamin A
B. Vitamin B1
C. Vitamin C
D. Vitamin D (Correct Answer)

Explanation: ***Vitamin D*** - **Vitamin D deficiency** in children leads to **rickets**, characterized by defective bone mineralization causing softened and weakened bones, resulting in **deformed legs** (e.g., bowed legs). - **Elevated alkaline phosphatase** is a common laboratory finding in rickets and osteomalacia, reflecting increased osteoblast activity attempting to mineralize uncalcified bone matrix. *Vitamin A* - **Vitamin A deficiency** can lead to **night blindness**, xerophthalmia, and impaired immune function, but not directly to bone deformities. - It plays a crucial role in vision, immune system function, and cell growth, not bone calcification. *Vitamin B1* - **Vitamin B1 (thiamine) deficiency** causes **beriberi**, affecting the cardiovascular (wet beriberi) and nervous systems (dry beriberi). - Symptoms include heart failure, peripheral neuropathy, and Wernicke-Korsakoff syndrome, which are unrelated to bone deformities. *Vitamin C* - **Vitamin C (ascorbic acid) deficiency** results in **scurvy**, characterized by impaired collagen synthesis. - Clinical signs include bleeding gums, petechiae, poor wound healing, and joint pain, but not primary bone deformities like bowed legs.

Question 435: Flaky paint appearance of the skin is seen in

A. Dermatitis
B. Pellagra
C. Marasmus
D. Kwashiorkor (Correct Answer)

Explanation: ***Kwashiorkor*** - The **flaky paint appearance** of the skin is a classic sign of Kwashiorkor, resulting from widespread **dermatitis**, skin peeling, and hyperpigmentation/desquamation. - This symptom is due to severe **protein deficiency**, leading to impaired tissue repair and skin integrity. *Dermatitis* - This is a general term for **skin inflammation** and can have various causes, but it does not specifically describe the "flaky paint" appearance in the context of malnutrition. - While Kwashiorkor involves dermatitis, simply stating "dermatitis" is not as specific as the named condition. *Pellagra* - Characterized by the "3 D's": **dermatitis**, diarrhea, and dementia, caused by **niacin (vitamin B3) deficiency**. - The dermatitis in pellagra typically presents as a symmetric, pigmented rash in sun-exposed areas, often described as a **"Casal's necklace"** or glove-like distribution, not "flaky paint." *Marasmus* - Involves severe **overall calorie and protein deficiency**, leading to extreme thinness and a **wasted appearance**. - While skin changes can occur, the characteristic "flaky paint" dermatosis with skin peeling and edema is more typical of Kwashiorkor, which has a predominant protein deficiency.

Question 436: Deficit in weight for height in a 3-year-old child indicates a type of malnutrition:

A. Concomitant acute and chronic
B. Acute malnutrition (Correct Answer)
C. Chronic malnutrition
D. Underweight

Explanation: ***Acute malnutrition*** - A deficit in **weight for height** is a key indicator of **acute malnutrition**, often referred to as **wasting**. - This condition reflects a recent and often rapid loss of weight, indicating insufficient nutritional intake or severe disease over a short period. *Chronic malnutrition* - **Chronic malnutrition** is characterized by a deficit in **height for age**, indicating **stunting**. - This reflects prolonged undernutrition, leading to impaired growth over a longer duration. *Concomitant acute and chronic* - This describes a situation where both **weight for height** (wasting) and **height for age** (stunting) are deficient. - While possible, a deficit in **weight for height** *specifically* refers to acute malnutrition, even if chronic malnutrition is also present. *Underweight* - **Underweight** refers to a deficit in **weight for age**, which can be caused by either **acute** or **chronic malnutrition**, or both. - It is a more general term and does not specifically differentiate between the acute or chronic nature of the malnutrition as precisely as weight-for-height or height-for-age.

Question 437: A 2-year-old child presents with severe acute malnutrition with features of kwashiorkor. Which of the following clinical signs is most indicative of this condition?

A. Edema (Correct Answer)
B. Hyperpigmentation
C. Alopecia
D. Scaly dermatitis

Explanation: ***Edema*** - The presence of **bilateral pitting edema**, particularly in the feet and legs, is the **hallmark sign of kwashiorkor**, a form of severe acute malnutrition (SAM). - Edema is a **critical diagnostic criterion** for kwashiorkor and distinguishes it from marasmus (the other major form of SAM which presents with severe wasting without edema). - According to **WHO criteria**, bilateral pitting edema in the presence of malnutrition is diagnostic of kwashiorkor-type SAM. *Hyperpigmentation* - While skin changes including **hyperpigmentation** can occur in kwashiorkor, they are not the most specific or consistent diagnostic feature. - Hyperpigmentation may be seen in various nutritional deficiencies and dermatological conditions, making it less definitive than edema for diagnosis. *Alopecia* - **Hair changes** (sparse, thin, easily pluckable hair with flag sign) can occur in kwashiorkor as part of protein-energy malnutrition. - However, alopecia is not as specific or diagnostic as bilateral pitting edema, which is the defining clinical feature of kwashiorkor. *Scaly dermatitis* - **Dermatosis** with desquamating skin lesions (flaky paint dermatosis) can be seen in kwashiorkor, often in areas of friction. - While supportive of the diagnosis, scaly dermatitis is less specific than edema and can occur in various nutritional deficiencies including zinc deficiency and pellagra.

Practice by Chapter

Breastfeeding

Practice Questions

Infant Formula Feeding

Practice Questions

Complementary Feeding

Practice Questions

Nutritional Requirements by Age

Practice Questions

Malnutrition and Failure to Thrive

Practice Questions

Obesity in Children

Practice Questions

Vitamin Deficiencies

Practice Questions

Mineral Deficiencies

Practice Questions

Food Allergies and Intolerances

Practice Questions

Nutritional Management of Chronic Diseases

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Eating Disorders

Practice Questions

Parenteral and Enteral Nutrition

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