NEET-PG 2019 - Pediatrics Practice Questions

Q: Bilateral grasp is seen at what age?

5 months. ***5 months*** - At **5 months**, infants typically develop the ability to **reach for and grasp objects with both hands**, demonstrating improved coordination and control. - This age marks a transition from reflexive grasping to more intentional and bilateral manipulation of objects. *6 months* - While fine motor skills continue to develop at 6 months, **bilateral grasp** is usually well-established by this age, having emerged earlier. - At 6 months, infants are often progressing towards **unilateral grasp** and transferring objects between hands. *3 months* - At **3 months**, infants are typically still developing head control and beginning to reach, but their grasp is often still a **reflexive palmar grasp** rather than intentional bilateral grasping. - Reaching at this age is usually more swiping or batting at objects rather than a coordinated grasp. *9 months* - By **9 months**, infants have developed more refined pincer grasp and are capable of complex manipulation of objects with a single hand. - **Bilateral grasp** is a much earlier developmental milestone than the advanced skills seen at 9 months.

Q: An image of a newborn infant is shown. What is the most likely diagnosis?

Infant of diabetic mother. ***Infant of diabetic mother*** - The image depicts a **large for gestational age (LGA)** or **macrosomic** infant with a **plethoric appearance** and significant subcutaneous fat, which are classic signs of an infant of a diabetic mother. - Maternal hyperglycemia leads to fetal hyperinsulinemia, causing increased fetal growth and fat deposition. *Beckwith Wiedemann syndrome* - While infants with Beckwith-Wiedemann syndrome can be LGA, they typically present with characteristic features such as **macroglossia**, **omphalocele**, **ear creases/pits**, and **hemihyperplasia**, which are not clearly evident in this image. - The overall appearance of diffuse adiposity is more consistent with uncontrolled maternal diabetes. *Congenital hypothyroidism* - Infants with congenital hypothyroidism are often **hypotonic**, have a **hoarse cry**, prolonged jaundice, and a characteristic **coarse facial appearance** with a large tongue and umbilical hernia, and are typically *not* macrosomic. - The appearance in the image does not align with the typical features of congenital hypothyroidism. *IUGR baby* - An **intrauterine growth restriction (IUGR)** baby is small for gestational age (SGA) due to various factors impeding fetal growth. - The infant in the image is clearly **macrosomic**, and not small, directly contradicting the definition of IUGR.

Q: A 6-year-old child with abdominal pain and a rash is shown. Comment on the diagnosis?

Henoch-Schonlein purpura. ***Henoch Schonlein purpura*** - This diagnosis is strongly suggested by the child's age (6 years old), presentation of abdominal pain, and the characteristic **palpable purpuric rash**, particularly on the lower extremities, as seen in the image. - **Henoch-Schönlein purpura (HSP)**, now known as IgA vasculitis, is a systemic small-vessel vasculitis predominantly affecting children, characterized by the classic triad of palpable purpura, arthritis/arthralgia, and abdominal pain. *Kawasaki* - **Kawasaki disease** primarily affects children under 5 years of age and presents with persistent fever, conjunctivitis, oral mucosal changes (strawberry tongue), cervical lymphadenopathy, and a polymorphous rash. Abdominal pain is less common as a primary feature. - The rash in Kawasaki disease is typically not purpuric but can be maculopapular or scarlatiniform, and does not show the characteristic distribution seen in the image. *Varicella* - **Varicella (chickenpox)** is characterized by a pruritic vesicular rash that progresses from macules to papules to vesicles and then crusts, usually starting on the trunk and spreading centrifugally. This is distinctly different from the purpuric rash shown. - While it can cause abdominal pain, the skin lesions are the key differentiator, and the image does not depict vesicular lesions. *Meningococcemia* - **Meningococcemia** is a severe bacterial infection often presenting with petechial or purpuric rash, fever, and signs of sepsis. However, the rash in meningococcemia rapidly progresses to large ecchymoses and is often associated with signs of critical illness (e.g., hypotension, altered mental status). - While purpura is present, the widespread, relatively uniform appearance of the rash, combined with abdominal pain in a 6-year-old, points away from the fulminant course typical of meningococcemia towards a vasculitis like HSP.

Question 1

Bilateral grasp is seen at what age?

Accepted Answer

5 months

Answer

6 months

Answer

3 months

Answer

9 months

Question 2

An image of a newborn infant is shown. What is the most likely diagnosis?

Accepted Answer

Infant of diabetic mother

Answer

Beckwith Wiedemann syndrome

Answer

Congenital hypothyroidism

Answer

IUGR baby

Question 3

A 6-year-old child with abdominal pain and a rash is shown. Comment on the diagnosis?

Accepted Answer

Henoch-Schonlein purpura

Answer

Kawasaki

Answer

Varicella

Answer

Meningococcemia

NEET-PG 2019 — Pediatrics