Pediatric Nutrition Practice Questions

Q: Breastfeeding for less than 15 minutes per day from either or one breast is known as:

Token feeding. ### Explanation **Correct Answer: B. Token Feeding** **Medical Concept:** Token feeding is a specific clinical term used in pediatric nutrition to describe a situation where a mother offers the breast to the infant, but the duration is insufficient to provide any significant nutritional value. It is defined as breastfeeding for **less than 15 minutes per day** in total, regardless of whether it is from one or both breasts. In such cases, the infant is essentially receiving negligible amounts of breast milk, and their primary caloric intake must come from other sources (formula or animal milk). **Analysis of Options:** * **A. Non-breastfed:** This term applies to infants who receive no breast milk at all. Since token feeding involves some (albeit minimal) contact with the breast, it does not technically fall under "non-breastfed." * **C. Low parental breastfed:** This is not a standard medical or epidemiological term used in pediatric nutrition guidelines (WHO/UNICEF). * **D. All of the above:** Incorrect, as "Token feeding" is the specific technical definition for the duration described. **High-Yield Facts for NEET-PG:** * **Exclusive Breastfeeding (EBF):** Feeding only breast milk (including expressed milk or ORS/drops/syrups) for the first 6 months of life. No water is allowed. * **Predominant Breastfeeding:** Breast milk is the primary source, but the infant also receives water or water-based drinks (juice, tea). * **Complementary Feeding:** Should be started at 6 months (180 days) of age while continuing breastfeeding up to 2 years or beyond. * **Colostrum:** Rich in IgA and lactoferrin; it acts as the "first immunization" for the newborn. * **Hindmilk vs. Foremilk:** Foremilk (start of feed) is rich in water and protein to quench thirst; Hindmilk (end of feed) is rich in fat to provide satiety and weight gain. Token feeding fails to provide adequate hindmilk.

Q: Which of the following are manifestations of vitamin C deficiency?

Epistaxis. **Explanation:** Vitamin C (Ascorbic acid) is a vital cofactor for the hydroxylation of proline and lysine residues during **collagen synthesis**. Deficiency leads to **Scurvy**, characterized by defective osteoid matrix formation and increased capillary fragility. * **Why Epistaxis is Correct:** Defective collagen in the basement membrane of capillaries leads to fragile blood vessels. This manifests as hemorrhagic tendencies, including **epistaxis** (nosebleeds), petechiae, ecchymosis, and characteristic "corkscrew hairs." Gum bleeding is also a hallmark, but only in children who already have erupted teeth. **Analysis of Incorrect Options:** * **Pseudoparalysis (Option A):** While scurvy causes "pseudoparalysis" due to extreme pain from **subperiosteal hemorrhage** (the child refuses to move the limbs), it is a non-specific term. In the context of this specific question, epistaxis is a more direct manifestation of the vascular fragility seen in scurvy. *Note: If this were a "Multiple Correct" type question, Pseudoparalysis would also be considered.* * **Sabre Tibia (Option B):** This refers to the anterior bowing of the tibia, a classic sign of **Late Congenital Syphilis**. * **Craniotabes (Option D):** This is the softening of the skull bones, which is the earliest skeletal sign of **Vitamin D deficiency (Rickets)**. **High-Yield Clinical Pearls for NEET-PG:** * **Radiological Signs of Scurvy:** Look for **Frankel’s line** (white line of dense calcification), **Trummerfeld zone** (scurvy zone/lucent line), **Wimberger’s ring** (dense epiphysis), and **Pelkan spurs**. * **The "Frog-leg" Position:** Infants with scurvy often lie with legs abducted and externally rotated due to subperiosteal pain. * **Rosary:** Scurvy causes a **"Scorbutic Rosary"** (sharp, angular costochondral junctions), whereas Rickets causes a "Rachitic Rosary" (smooth, rounded beads).

Q: A young patient presents with knee pain, irritability, and gum bleeding. Radiographs of the leg show significantly thin cortex with a white line at the metaphysis. What is the most likely diagnosis?

Scurvy. **Explanation:** The clinical presentation of irritability, bone pain (pseudoparalysis), and hemorrhagic manifestations like gum bleeding in a child is classic for **Scurvy (Vitamin C deficiency)**. Vitamin C is essential for collagen synthesis; its deficiency leads to capillary fragility and defective osteoid formation. **Why Scurvy is Correct:** The radiographic findings described are pathognomonic: * **White line of Fraenkel:** A dense, radiopaque line at the metaphysis representing a zone of well-calcified but poorly absorbed cartilage. * **Ground-glass appearance:** Due to a significantly thinned cortex and loss of trabecular markings. * **Other signs (not mentioned but relevant):** *Wimberger’s ring* (dense epiphysis rim), *Pelkan spur* (metaphyseal spurs), and *Trummerfeld zone* (scurvy line/lucent zone). **Why Other Options are Incorrect:** * **Rickets:** Presents with "cupping, splaying, and fraying" of the metaphysis and a *widened* osteoid plate, not a thin cortex with a white line. * **Fluorosis:** Characterized by increased bone density (osteosclerosis) and ligamentous calcification, rather than thinning of the cortex. * **Caffey’s Disease (Infantile Cortical Hyperostosis):** Presents with massive subperiosteal new bone formation (thickening) and irritability, typically involving the mandible, ribs, or clavicle. **NEET-PG High-Yield Pearls:** * **Early Sign:** Irritability and "Frog-leg position" due to subperiosteal hemorrhage pain. * **Earliest Radiographic Sign:** Rarefaction of the zone of provisional calcification. * **Key Pathology:** Failure of osteoid formation by osteoblasts. * **Clinical Triad:** Hyperkeratosis, Hemorrhage (corkscrew hair, petechiae), and Hematologic (anemia).

Q: Which of the following is NOT a feature of scurvy?

Metaphyseal widening. **Explanation:** Scurvy is caused by a deficiency of **Vitamin C (Ascorbic Acid)**, which is essential for collagen synthesis. In the skeletal system, this leads to defective osteoid formation. While the calcification of cartilage continues, the failure to form bone matrix results in specific radiological signs. **Why "Metaphyseal Widening" is the correct answer:** Metaphyseal widening (cupping and splaying) is a hallmark feature of **Rickets**, not Scurvy. In Scurvy, the metaphysis actually becomes fragile and thin (the "Trummerfeld zone" or zone of rarefaction), rather than widening. **Analysis of Incorrect Options:** * **Bony Thickening:** This refers to the **subperiosteal hemorrhage** characteristic of Scurvy. As the hemorrhage heals, the periosteum is lifted and new bone forms, leading to apparent thickening of the bone shaft. * **Epiphyseal Separation:** Due to the extreme fragility of the scorbutic zone (Trummerfeld zone) at the metaphysis, the epiphysis can easily displace or separate, often presenting as a "pseudo-paralysis." * **Dense Margin at Metaphysis:** Also known as the **Frankel Line**, this represents a zone of well-calcified cartilage that appears radiopaque (dense) because it hasn't been converted into bone. **High-Yield Clinical Pearls for NEET-PG:** * **Wimberger’s Sign:** A sharp, sclerotic margin surrounding a lucent center in the epiphysis (Ring sign). * **Pelkan Spur:** Marginal spurring at the metaphysis due to outward healing of subperiosteal hemorrhage. * **Clinical Triad:** Irritability (due to bone pain), Gingival bleeding, and Follicular hyperkeratosis (corkscrew hair). * **Key Differentiator:** Scurvy presents with **exquisite bone pain/tenderness**, whereas Rickets typically does not.

Q: What is the difference in composition between colostrum and normal milk?

Increased proteins. **Explanation:** The composition of breast milk changes significantly during the first few days postpartum to meet the specific physiological needs of the neonate. **Colostrum**, secreted during the first 2–4 days, is often called "liquid gold" due to its dense concentration of protective and structural components. **Why "Increased Proteins" is Correct:** Colostrum contains significantly **higher protein content** (approx. 8–10 g/dL) compared to mature milk (approx. 1 g/dL). This is primarily due to high concentrations of **secretory IgA**, lactoferrin, and albumin. These proteins provide essential passive immunity and facilitate the maturation of the infant's gut mucosa. **Analysis of Incorrect Options:** * **A & B (Potassium and Sodium):** Colostrum actually has **higher concentrations of Sodium, Chloride, and Magnesium**, while having lower concentrations of Potassium compared to mature milk. * **D (Increased Calories):** This is a common misconception. Colostrum is **lower in calories** (approx. 58 kcal/dL) than mature milk (approx. 67–70 kcal/dL). This is because colostrum has lower levels of lactose and fats, which are the primary energy sources in mature milk. **High-Yield NEET-PG Pearls:** * **Vitamin Content:** Colostrum is rich in fat-soluble vitamins (**A, D, E, and K**). Vitamin A gives colostrum its characteristic yellowish color. * **Transition:** Milk produced from day 5–14 is "Transitional Milk," and after day 14, it is "Mature Milk." * **Lactose:** The concentration of lactose is **lowest in colostrum** and increases as the milk matures to support the infant's increasing energy demands. * **Specific Gravity:** Colostrum has a higher specific gravity (1.040–1.060) compared to mature milk.

Q: Pelkan's spur is seen in which condition?

Scurvy. **Explanation:** **Pelkan’s spur** is a classic radiological sign of **Scurvy** (Vitamin C deficiency). Scurvy leads to defective collagen synthesis, resulting in fragile osteoid and capillary walls. The spur is a lateral bony outgrowth seen at the metaphysis. It occurs because the **Zone of Provisional Calcification** (Frankel’s line) is brittle and extends beyond the width of the shaft, often associated with a healing subperiosteal hemorrhage that lifts the periosteum. **Analysis of Options:** * **Scurvy (Correct):** Other radiological hallmarks include **Frankel’s line** (dense metaphyseal band), **Trummerfeld zone** (scurvy zone/lucent linear band), and **Wimberger’s ring sign** (dense circular epiphysis with a lucent center). * **Rickets:** Characterized by **cupping, splaying, and fraying** of the metaphysis due to failure of osteoid mineralization. It does not feature Pelkan’s spurs. * **Hypothyroidism:** Typically presents with **delayed bone age**, epiphyseal dysgenesis (stippled epiphysis), and increased bone density, but not metaphyseal spurs. * **Hypopituitarism:** Primarily manifests as a significant delay in skeletal maturation (bone age) and proportionate short stature, without specific metaphyseal deformities like spurs. **High-Yield Clinical Pearls for NEET-PG:** * **Scurvy Clinical Triad:** Pseudoparalysis (due to pain), irritability, and hemorrhagic manifestations (gingival bleeding, petechiae). * **Early Sign:** The earliest radiological sign of scurvy is often the **Trummerfeld zone**. * **Differential Diagnosis:** Scurvy is a common differential for a "limping child" or "refusal to move limbs" (pseudoparalysis) alongside osteomyelitis and septic arthritis.

Q: A six-month-old infant, exclusively fed cow's milk, presents with petechiae, anemia, fever, and generalized tenderness. Examination reveals bilateral lower extremity swelling and a normal blood count. What is the most likely diagnosis?

Scurvy. ### Explanation **Correct Answer: D. Scurvy** The clinical presentation is classic for **Infantile Scurvy (Barlow’s Disease)**, caused by Vitamin C deficiency. * **Pathophysiology:** Vitamin C is essential for collagen synthesis. Deficiency leads to capillary fragility (causing **petechiae** and subperiosteal hemorrhages) and defective osteoid formation. * **Key Clues:** The infant is fed **exclusive cow’s milk**; boiling cow's milk destroys the heat-labile Vitamin C. * **Clinical Signs:** **Generalized tenderness** (pseudoparalysis) and lower extremity swelling occur due to painful **subperiosteal hemorrhages**. Fever and anemia are common systemic associations. **Why Incorrect Options are Wrong:** * **A. Arthritis:** While it causes swelling and pain, it typically involves the joint space rather than the bone shafts, and wouldn't explain petechiae or the specific dietary history. * **B. Poliomyelitis:** Presents with asymmetric flaccid paralysis and absent deep tendon reflexes, but it is **painless** and does not cause swelling or petechiae. * **C. Osteomyelitis:** While it causes fever and bone pain, it is usually localized to a single bone and would typically show an elevated WBC count (this patient has a normal blood count). **High-Yield NEET-PG Pearls for Scurvy:** 1. **Radiological Signs:** * **Frankel’s Line:** Dense zone of provisional calcification. * **Wimberger’s Ring Sign:** Circular opacification around the epiphysis. * **Pelkan Spur:** Marginal spurring. * **Trummerfeld Zone:** Lucent scorbutic zone (site of fractures). 2. **First Sign:** Irritability and generalized tenderness (pseudoparalysis). 3. **Gingival Changes:** Spongy, bleeding gums (only seen if teeth have erupted).

Question 1

Breastfeeding for less than 15 minutes per day from either or one breast is known as:

Accepted Answer

Token feeding

Answer

Non-breastfed

Answer

Low parental breastfed

Answer

All of the above

Question 2

Which of the following are manifestations of vitamin C deficiency?

Accepted Answer

Epistaxis

Answer

Pseudoparalysis

Answer

Sabre tibia

Answer

Craniotabes

Question 3

A 7-year-old child presents with poor wound healing, perifollicular hemorrhages, and sharp, painful swellings at the costochondral junctions of the ribs. Which of the following treatments is recommended?

Accepted Answer

Oranges and amla in the diet

Answer

Leafy vegetables in the diet

Answer

Animal products containing liver in the diet

Answer

Avoidance of eggs from the diet

Question 4

A young patient presents with knee pain, irritability, and gum bleeding. Radiographs of the leg show significantly thin cortex with a white line at the metaphysis. What is the most likely diagnosis?

Accepted Answer

Scurvy

Answer

Fluorosis

Answer

Rickets

Answer

Caffey's disease

Question 5

Which of the following is NOT a feature of scurvy?

Accepted Answer

Metaphyseal widening

Answer

Bony thickening

Answer

Epiphyseal separation

Answer

Dense margin at metaphysis

Question 6

A 15-month-old child is feeding on cow milk mixed with water. The child presents with severe wasting, bipedal edema, and poor appetite. What is the most likely diagnosis?

Accepted Answer

Kwashiorkor

Answer

Marasmus

Answer

Kwashiorkor and Marasmus

Answer

None of the above

Question 7

What is the difference in composition between colostrum and normal milk?

Accepted Answer

Increased proteins

Answer

Decreased potassium

Answer

Decreased sodium

Answer

Increased calories

Question 8

Pelkan's spur is seen in which condition?

Accepted Answer

Scurvy

Answer

Rickets

Answer

Hypopituitarism

Answer

Hypothyroidism

Question 9

Which of the following is not a parameter for the WHO classification of malnutrition?

Accepted Answer

Weight for age

Answer

Symmetrical edema

Answer

Weight for height

Answer

Height for age

Question 10

A six-month-old infant, exclusively fed cow's milk, presents with petechiae, anemia, fever, and generalized tenderness. Examination reveals bilateral lower extremity swelling and a normal blood count. What is the most likely diagnosis?

Accepted Answer

Scurvy

Answer

Arthritis

Answer

Poliomyelitis

Answer

Osteomyelitis

Pediatric Nutrition — MCQs

Pediatric Nutrition — MCQs

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