Pediatric Nutrition Practice Questions

Q: When can a severely malnourished child be safely discharged from the hospital?

The child loses edema and starts gaining weight.. ### Explanation Management of Severe Acute Malnutrition (SAM) is divided into two phases: **Stabilization** (in-patient) and **Rehabilitation** (out-patient/community-based). **Why Option C is Correct:** The primary goal of hospitalizing a child with SAM is to manage life-threatening complications (hypoglycemia, hypothermia, electrolyte imbalance, and infection). According to WHO and IAP guidelines, a child is ready to transition from the stabilization phase to the rehabilitation phase (and subsequent discharge) once the **appetite has returned**, **edema has resolved**, and the child shows **consistent weight gain** on F-100 or ready-to-use therapeutic food (RUTF). These signs indicate that the metabolic processes have stabilized and the "recovery" phase has begun. **Why Other Options are Incorrect:** * **Options A, B, and D:** Attaining "ideal" weight-for-height, height-for-age (stunting), or weight-for-age (underweight) are long-term nutritional goals. Achieving these parameters can take months of sustained nutritional support. Keeping a child hospitalized until they reach these targets is impractical, increases the risk of nosocomial infections, and is not cost-effective. **High-Yield Clinical Pearls for NEET-PG:** * **Criteria for SAM:** Weight-for-height/length < -3 SD, MUAC < 11.5 cm, or presence of bilateral pitting edema. * **Refeeding Syndrome:** The most dangerous complication during early nutritional transition; watch for **Hypophosphatemia**, Hypokalemia, and Hypomagnesemia. * **Feeding Protocol:** Start with **F-75** (75 kcal/100ml) for stabilization and transition to **F-100** (100 kcal/100ml) for catch-up growth. * **Target Weight Gain:** In the rehabilitation phase, a weight gain of **>10 g/kg/day** is considered "Good."

Q: Which of the following is NOT a radiologic sign of scurvy?

Cupping and fraying. The correct answer is **B. Cupping and fraying**, as these are the hallmark radiologic features of **Rickets**, not Scurvy. ### **Medical Concept** Scurvy is caused by Vitamin C deficiency, which leads to defective collagen synthesis. This results in fragile capillary walls (leading to subperiosteal hemorrhages) and a failure of osteoid formation. While the calcification of the cartilaginous matrix continues, the body cannot convert it into bone, leading to specific radiologic findings. ### **Analysis of Options** * **Cupping and fraying (Option B):** These occur in Rickets due to the failure of mineralization of the osteoid, leading to an accumulation of non-rigid cartilage that expands under pressure. * **White line in metaphysis (Option A):** Also known as the **Fraenkel line**, this represents a zone of well-calcified cartilage (provisional calcification) that appears dense because it is not being converted into bone. * **Ground glass appearance (Option C):** This refers to the thinning of the bone cortex and loss of trabecular detail, making the bones appear transparent or "glassy." * **Zone of rarefaction (Option D):** Also known as the **Trummerfeld zone** or the "scurvy line," this is a lucent (dark) band located just proximal to the Fraenkel line, representing a site of microfractures and deficient bone formation. ### **High-Yield NEET-PG Pearls for Scurvy** * **Wimberger’s Sign:** A sharp, dense sclerotic ring around the epiphyseal centers of ossification. * **Pelkan Spur:** Lateral bony outgrowths (osteophytes) at the metaphysis due to healing of subperiosteal hemorrhages. * **Clinical Triad:** Gum bleeding, petechiae/ecchymosis, and painful "pseudoparalysis" (child assumes the **Frog-leg position** due to subperiosteal pain). * **Key Difference:** Rickets affects the **growth plate (mineralization)**; Scurvy affects the **osteoid (collagen matrix)**.

Q: Which component of breast milk decreases the risk of retinitis pigmentosa?

Docosahexaenoic acid (DHA). **Explanation:** **Docosahexaenoic acid (DHA)** is the correct answer because it is a long-chain polyunsaturated fatty acid (LC-PUFA) that serves as a critical structural component of the **retinal photoreceptors** and the gray matter of the brain. In the retina, DHA is highly concentrated in the rod outer segments, where it influences rhodopsin activation and visual signaling. Studies have shown that DHA supplementation or its presence in breast milk supports retinal development and may mitigate the progression of degenerative retinal conditions like **retinitis pigmentosa** by maintaining the integrity of photoreceptor membranes. **Analysis of Incorrect Options:** * **Vitamin A:** While essential for the formation of rhodopsin and preventing night blindness (xerophthalmia), it is not the specific structural component of breast milk primarily linked to the reduced risk of retinitis pigmentosa in this context. * **Vitamin B12:** This is crucial for DNA synthesis and myelin formation. Deficiency leads to megaloblastic anemia and subacute combined degeneration of the cord, but it does not have a direct structural role in retinal pigment epithelium. * **Taurine:** Though taurine is an amino acid found in high concentrations in the retina and breast milk (essential for preterm infants), DHA is the more definitive structural lipid associated with this specific protective benefit. **High-Yield Clinical Pearls for NEET-PG:** * **Breast Milk vs. Cow Milk:** Breast milk contains DHA and Arachidonic Acid (ARA), which are absent in unmodified cow's milk. * **Preterm Infants:** They are at high risk for DHA deficiency because the majority of DHA transfer occurs during the **third trimester**. * **Visual Acuity:** DHA is the most important nutrient for the development of visual acuity and cognitive function in the first two years of life.

Q: Which of the following is NOT seen in kwashiorkor?

Increased albumin. **Explanation:** The hallmark of **Kwashiorkor** is a severe deficiency of dietary protein despite adequate or near-adequate caloric intake. This leads to a state of **hypoalbuminemia** (decreased serum albumin), which reduces plasma oncotic pressure, resulting in the characteristic generalized edema (anasarca). Therefore, **Increased albumin** is incorrect and is the right answer to this "NOT" question. **Analysis of Options:** * **Apathy:** Children with Kwashiorkor typically exhibit significant mental changes, including extreme irritability, lethargy, and **apathy** (lack of interest/emotion). * **Flaky paint dermatosis:** This is a pathognomonic skin finding in Kwashiorkor. It involves hyperpigmentation and thickening of the skin, which then cracks and peels off, resembling "flaky paint" or "crazy paving," leaving behind pale, friable skin. * **Poor appetite:** Unlike Marasmus (where the child is usually ravenous), children with Kwashiorkor often suffer from **anorexia** (poor appetite), making nutritional rehabilitation more challenging. **High-Yield Clinical Pearls for NEET-PG:** * **Edema:** The essential diagnostic feature of Kwashiorkor; it starts in the lower extremities and can progress to the face ("Moon facies"). * **Hair Changes:** "Flag sign" (alternating bands of pigmented and depigmented hair) and "sparse/easy to pluck" hair are common. * **Fatty Liver:** Hepatomegaly occurs due to decreased synthesis of apolipoproteins, leading to fat accumulation in the liver. * **Marasmus vs. Kwashiorkor:** Marasmus is "balanced" starvation (calorie + protein deficiency) characterized by severe wasting ("skin and bones") and a "monkey-like" facies.

Q: Severe Acute Malnutrition is defined as:

Presence of bipedal edema. **Explanation:** Severe Acute Malnutrition (SAM) is a life-threatening condition defined by the WHO and UNICEF based on specific anthropometric and clinical criteria. For children aged 6–59 months, SAM is diagnosed if **any one** of the following is present: 1. **Weight-for-Height (W/H) Z-score < -3 SD** (Severe wasting). 2. **Mid-Upper Arm Circumference (MUAC) < 11.5 cm**. 3. **Presence of bilateral pitting edema** (Nutritional edema). **Why Option C is correct:** The presence of bilateral pitting edema (bipedal edema) is a pathognomonic clinical sign of **kwashiorkor**. Regardless of weight or height measurements, its presence automatically classifies a child as having SAM because it indicates severe metabolic derangement and a high risk of mortality. **Analysis of Incorrect Options:** * **Option A:** Weight/Height < -2 SD defines *Moderate* Acute Malnutrition (MAM). SAM requires a cut-off of < -3 SD. * **Option B:** MUAC < 12.5 cm is the cut-off for MAM. For SAM, the cut-off is more stringent at < 11.5 cm. * **Option D:** Weight/Age < -3 SD defines *Severe Underweight*. While important, it is not used to define SAM because it does not differentiate between acute wasting and chronic stunting. **High-Yield Clinical Pearls for NEET-PG:** * **SAM Management:** Divided into two phases: **Stabilization** (using F-75 diet to treat hypoglycemia, hypothermia, and infections) and **Rehabilitation** (using F-100 or RUTF). * **Appetite Test:** This is the most important factor in deciding whether a child with SAM needs inpatient care or can be managed at an Outpatient Therapeutic Program (OTP). * **Target MUAC for discharge:** ≥ 12.5 cm for at least two consecutive weeks.

Q: A mother brings her 3-year-old child to the clinic with complaints of not feeding well. The Mid-arm circumference of the child is measured using Shakir's tape and found to be 12 cm. Under which category does this child fall?

Borderline malnutrition. ### Explanation The Mid-Upper Arm Circumference (MUAC) is a rapid screening tool used to assess the nutritional status of children aged **6 months to 5 years**. It is measured using **Shakir’s Tape**, which is color-coded to simplify field assessment. **Why the correct answer is right:** According to Shakir’s Tape classification: * **Green (>13.5 cm):** Normal nutrition. * **Yellow (12.5 – 13.5 cm):** Borderline malnutrition (Under-nutrition/At risk). * **Red ( 13.5 cm** (Green zone). * **B. Severe malnutrition:** This is diagnosed when the MUAC is **<12.5 cm** (Red zone). While 12 cm is technically less than 12.5, in the context of Shakir's specific tape zones, 12.5–13.5 cm is the standard range for "Borderline." * **D. Very severe malnutrition:** This is not a standard category on Shakir’s tape; however, a MUAC **<11.5 cm** is the WHO criteria for identifying Severe Acute Malnutrition (SAM) requiring urgent intervention. **High-Yield Pearls for NEET-PG:** * **Age Group:** MUAC is relatively constant between 1–5 years because as fat decreases, muscle mass increases. * **WHO Criteria for SAM:** MUAC **<11.5 cm**, Weight-for-Height **<-3 SD**, or presence of **Bilateral Pitting Edema**. * **Shakir’s Tape Colors:** Remember the "Traffic Light" system: Green (Go/Safe), Yellow (Caution/Borderline), Red (Stop/Danger).

Question 1

Which of the following is the best method for monitoring the treatment and resolution of vitamin D deficiency?

Accepted Answer

Serum calcium levels

Answer

Serum phosphate levels

Answer

Serum vitamin D levels

Answer

Serum parathormone levels

Question 2

When can a severely malnourished child be safely discharged from the hospital?

Accepted Answer

The child loses edema and starts gaining weight.

Answer

The child attains his height for age.

Answer

The child reaches his ideal weight for height.

Answer

The child attains weight for his age.

Question 3

Which of the following is NOT a radiologic sign of scurvy?

Accepted Answer

Cupping and fraying

Answer

White line in metaphysis

Answer

Ground glass appearance

Answer

Zone of rarefaction

Question 4

Which component of breast milk decreases the risk of retinitis pigmentosa?

Accepted Answer

Docosahexaenoic acid (DHA)

Answer

Vitamin A

Answer

Vitamin B12

Answer

Taurine

Question 5

Which of the following is NOT seen in kwashiorkor?

Accepted Answer

Increased albumin

Answer

Apathy

Answer

Flaky paint dermatosis

Answer

Poor appetite

Question 6

Apart from diarrhea, oral rehydration solution has been employed in:

Accepted Answer

Both severe vomiting and heat stroke

Answer

Severe vomiting

Answer

Burn cases

Answer

Heat stroke

Question 7

Severe Acute Malnutrition is defined as:

Accepted Answer

Presence of bipedal edema

Answer

Weight/Height < -2 SD

Answer

Mid-Upper Arm Circumference < 12.5 cm

Answer

Weight/Age < -3 SD

Question 8

A mother brings her 3-year-old child to the clinic with complaints of not feeding well. The Mid-arm circumference of the child is measured using Shakir's tape and found to be 12 cm. Under which category does this child fall?

Accepted Answer

Borderline malnutrition

Answer

Normal nutrition

Answer

Severe malnutrition

Answer

Very severe malnutrition

Question 9

Which of the following statements regarding the management of severe acute malnutrition (SAM) is false?

Accepted Answer

The decision for transfer from inpatient to outpatient care depends upon specific mid-upper arm circumference values.

Answer

SAM with severe edema should be hospitalized.

Answer

SAM with good appetite should be hospitalized.

Answer

SAM with poor appetite should be treated in the OPD.

Question 10

Which of the following are characteristic features of Vitamin D deficiency rickets?

Accepted Answer

Widened anterior fontanel

Answer

Increased forehead sweating

Answer

Characteristically decreased calcium

Answer

Increased alkaline phosphatase

Pediatric Nutrition — MCQs

Pediatric Nutrition — MCQs

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