Developmental and Behavioral Pediatrics Practice Questions

Q: Early strict toilet training can result in which of the following?

Encopresis. **Explanation:** The correct answer is **Encopresis**. **Why Encopresis is the correct answer:** Toilet training is a complex developmental milestone that requires both physiological maturity (sphincter control) and psychological readiness. When parents initiate **early or overly strict toilet training**, it often creates a power struggle and psychological stress for the child. This leads to **functional constipation** as the child withholds stool to avoid the stress of the potty. Over time, the rectum becomes distended with hard fecal masses, leading to "overflow incontinence" where liquid stool leaks around the impaction. This involuntary passage of stool in a child who should be continent is termed encopresis. **Analysis of Incorrect Options:** * **A. Nocturnal Enuresis:** While stress can exacerbate bedwetting, primary nocturnal enuresis is more commonly linked to genetic factors, ADH secretion patterns, or delayed bladder maturation rather than strict training techniques. * **C. Night Terror:** These are parasomnias occurring during NREM sleep (Stage 3/4). They are typically related to CNS immaturity or sleep deprivation, not behavioral training methods. * **D. Temper Tantrum:** These are normal developmental behaviors in toddlers (ages 1–3) resulting from frustration and a lack of verbal skills. While strict parenting can trigger them, they are not a specific clinical consequence of toilet training in the way encopresis is. **Clinical Pearls for NEET-PG:** * **Readiness:** Toilet training should ideally begin between **18–24 months** when the child can follow simple commands and stay dry for 2 hours. * **Encopresis Definition:** Repeated passage of feces into inappropriate places (involuntary or intentional) in a child **≥4 years** of age. * **Management:** The first step in managing functional encopresis is **disimpaction** (using polyethylene glycol/laxatives) followed by behavioral modification and "timed sittings."

Q: On routine examination, a 5-year-old child demonstrates difficulty with writing. What is the most probable diagnosis?

Dyslexia. **Explanation:** The correct answer is **Dyslexia**. While commonly known as a reading disorder, dyslexia is a broad learning disability that affects the brain's ability to process graphic symbols. In pediatric developmental assessments, it frequently manifests as difficulties with **reading, spelling, and writing** (often termed "dysgraphia" when isolated, but clinically grouped under the dyslexia spectrum in many competitive exams). Children with dyslexia often struggle with phonological awareness, leading to letter reversals and poor handwriting. **Analysis of Incorrect Options:** * **Dyscalculia (A):** This refers specifically to a learning disability in **mathematics**. The child has difficulty understanding numbers, performing calculations, and learning math facts. * **Dysphagia (B):** This is a physical medical condition characterized by **difficulty in swallowing**. It is related to neuromuscular or structural issues, not developmental learning. * **Dysphasia (C):** This is a **language disorder** (often used interchangeably with Aphasia in milder forms) where there is an impairment in the ability to communicate through speech, writing, or signs due to brain dysfunction. It affects language comprehension or expression rather than the specific mechanics of writing/reading. **Clinical Pearls for NEET-PG:** * **Age of Diagnosis:** Learning disabilities are typically diagnosed around school age (5–7 years) when academic demands increase. * **Intelligence:** Children with dyslexia usually have **normal to high IQ**; the deficit is specific to literacy skills. * **Comorbidity:** There is a high clinical correlation between Dyslexia and **ADHD** (Attention Deficit Hyperactivity Disorder). * **Red Flag:** Persistent letter reversals (e.g., confusing 'b' and 'd') beyond the age of 7 is a significant clinical marker for dyslexia.

Q: Clumsy child syndrome is classified under which of the following classes of disorders?

Developmental coordination disorder. **Explanation:** **Developmental Coordination Disorder (DCD)**, historically and colloquially referred to as **"Clumsy Child Syndrome,"** is a neurodevelopmental condition characterized by a marked impairment in the development of motor coordination. The core deficit is that the child’s motor skills are substantially below what is expected for their chronological age and intelligence, significantly interfering with activities of daily living (ADL) and academic productivity. * **Why Option B is correct:** DCD is the formal clinical diagnosis for children who present with "clumsiness," frequent tripping, difficulty with fine motor tasks (like tying shoelaces or buttoning shirts), and poor performance in sports. It is classified under Motor Disorders in the DSM-5. **Analysis of Incorrect Options:** * **A. Cerebral Palsy:** This is a permanent, non-progressive disorder of movement and posture caused by a lesion in the developing brain (often perinatal). Unlike DCD, it presents with objective neurological signs like spasticity, hyperreflexia, or dyskinesia. * **C. Tic Disorder:** These are characterized by sudden, rapid, recurrent, non-rhythmic motor movements or vocalizations (e.g., Tourette syndrome), not a generalized lack of coordination. * **D. ADHD:** While ADHD frequently co-occurs with DCD (comorbidity in ~50% of cases), ADHD primarily involves patterns of inattention, hyperactivity, and impulsivity rather than primary motor skill deficits. **Clinical Pearls for NEET-PG:** * **Diagnosis:** It is a diagnosis of exclusion; neurological exams are typically normal (no focal deficits), but "soft signs" (e.g., synkinesis) may be present. * **Management:** The mainstay of treatment is **Occupational Therapy (OT)** and Physical Therapy using task-oriented interventions. * **Key Association:** Often associated with learning disabilities and speech-language delays.

Question 1

A 5-year-old child refuses to sleep in his bed, claiming there are monsters in his closet and that he has bad dreams. The parents allow him to sleep with them in their bed to avoid the otherwise inevitable screaming fit. The parents note that the child sleeps soundly, waking only at sunrise. Which sleep disturbance is most consistent with this history?

Accepted Answer

Learned behavior

Answer

Night terrors

Answer

Nightmares

Answer

Obstructive sleep apnea

Question 2

Early strict toilet training can result in which of the following?

Accepted Answer

Encopresis

Answer

Nocturnal enuresis

Answer

Night terror

Answer

Temper tantrum

Question 3

A 14-year-old boy is experiencing academic difficulties in 9th standard despite being sharp and intelligent. What is the best test to diagnose his problem?

Accepted Answer

Specific learning disability test

Answer

Child behavior checklist

Answer

Bhatia's battery

Answer

Child behavior battery

Question 4

On routine examination, a 5-year-old child demonstrates difficulty with writing. What is the most probable diagnosis?

Accepted Answer

Dyslexia

Answer

Dyscalculia

Answer

Dysphagia

Answer

Dysphasia

Question 5

Clumsy child syndrome is classified under which of the following classes of disorders?

Accepted Answer

Developmental coordination disorder

Answer

Cerebral palsy

Answer

Tic disorder

Answer

Attention deficit hyperactivity disorder

Developmental and Behavioral Pediatrics — MCQs

Developmental and Behavioral Pediatrics — MCQs

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