Neonatology Practice Questions

Q: Which of the following statements about Kangaroo Mother Care is false?

It is only applicable to mothers.. ***It is only applicable to mothers.*** - This statement is false because **Kangaroo Mother Care (KMC)** involves skin-to-skin contact, which can be provided by any adult caregiver, including the **father** or other family members, not exclusively the mother. - The benefits of KMC, such as **thermal regulation**, improved **bonding**, and **breastfeeding promotion**, are achieved regardless of whether the mother or another caregiver provides the contact. *Can also be provided by the father.* - This statement is true; **fathers** are increasingly recognized as important caregivers in providing **KMC**, offering similar benefits as when provided by the mother. - Involving fathers can enhance **parental bonding** and share the caregiving responsibilities for the infant, especially for **low birth weight** or **premature infants**. *It is especially beneficial for low birth weight infants.* - This statement is true; **KMC** is particularly recommended for **low birth weight (LBW)** infants, especially those weighing under 2500 grams, as it has been shown to reduce mortality and improve their health outcomes. - It helps stabilize **cardiorespiratory function**, promotes **weight gain**, and facilitates **exclusive breastfeeding** in these vulnerable infants. *It provides effective thermal control.* - This statement is true; **KMC** involves direct **skin-to-skin contact**, which helps regulate the infant's body temperature, preventing both **hypothermia** and **hyperthermia** more effectively than conventional incubators in some settings. - The caregiver's body acts as a **human incubator**, providing a stable and appropriate thermal environment for the infant.

Q: Which drug is primarily used in neonatal resuscitation?

Adrenaline. ***Adrenaline*** - **Adrenaline (epinephrine)** is the primary drug used in neonatal resuscitation when **bradycardia** (heart rate <60 bpm) persists despite adequate ventilation and chest compressions. - It acts as a **vasopressor** and **cardiac stimulant**, increasing heart rate and contractility. - Administered intravenously or via endotracheal tube at a dose of **0.01-0.03 mg/kg**. *Sodium bicarbonate* - **Sodium bicarbonate** is rarely used in neonatal resuscitation due to concerns about potential side effects like **intracranial hemorrhage** and paradoxical intracellular acidosis. - Its use is generally reserved for prolonged resuscitation with documented **metabolic acidosis**. - Not recommended for routine use in the delivery room. *Naloxone* - **Naloxone** is an opioid antagonist used to reverse severe **respiratory depression** caused by maternal opioid administration shortly before delivery. - It is not indicated for primary resuscitation efforts in the absence of opioid exposure, and ventilation remains the priority. - Current NRP guidelines emphasize **ventilation over naloxone** administration. *Atropine* - **Atropine** is no longer recommended in neonatal resuscitation protocols. - It was previously considered for bradycardia but has been removed from **NRP guidelines** due to lack of evidence for efficacy. - **Adrenaline** has replaced atropine as the drug of choice for persistent bradycardia.

Q: Post term baby with tachypnea - commonest cause?

Meconium aspiration syndrome. ***Meconium aspiration syndrome*** - Post-term infants are at increased risk of **meconium staining of amniotic fluid** and subsequent **meconium aspiration**, leading to respiratory distress. - Meconium in the lungs causes **airway obstruction**, chemical pneumonitis, and surfactant inactivation, resulting in tachypnea and hypoxemia. *Transient tachypnea of newborn* - This condition is more common in **term or late preterm infants delivered by C-section**, rather than post-term. - It is caused by **delayed reabsorption of fetal lung fluid**, leading to mild respiratory distress that typically resolves within 24-48 hours. *Hyaline membrane disease* - Also known as **respiratory distress syndrome**, this condition primarily affects **preterm infants** due to **surfactant deficiency**. - It would be highly unusual in a post-term infant, as surfactant production is mature by term or post-term. *Infection* - While infection (e.g., **neonatal sepsis**, pneumonia) can cause tachypnea in any newborn, it is **not the commonest cause of respiratory distress specifically in a post-term baby** with tachypnea. - Infection would typically be accompanied by other signs like fever/hypothermia, poor feeding, lethargy, or signs of systemic illness.

Q: The most common bone fractured during birth is

Clavicle. ***Clavicle*** - The **clavicle** is the most common bone fractured during birth due to the stresses applied during delivery, especially in cases of shoulder dystocia. - Its relatively superficial location and slender shaft make it vulnerable to fracture as it may get compressed or stretched against the maternal pelvis. *Scapula* - Fractures of the **scapula** are extremely rare in newborns due to its protected position and broad, flat structure. - It would require a significant, unusual force to fracture the scapula during birth. *Radius* - While long bone fractures can occur, a **radial fracture** is less common than a clavicle fracture during birth. - Fractures of the radius typically occur from direct trauma or hyperextension injuries, rather than the compressive forces seen during normal birth. *Humerus* - Fractures of the **humerus** are less common than clavicle fractures but can occur, particularly in difficult deliveries or when excessive force is applied during extraction. - However, the clavicle remains the most frequently fractured bone overall in neonates during birth.

Q: Which of the following APGAR score ranges indicates that a newborn is 'at risk'?

4-6. ***4-6*** - This range indicates **moderate depression** or some difficulty adapting to extrauterine life, representing the newborn **"at risk"** category. - Newborns with this score require **intervention** such as stimulation, oxygen administration, or assisted ventilation. - This is the classic definition of an "at risk" newborn who needs close monitoring and support but is not in critical condition. *7-10* - An APGAR score in this range indicates that the newborn is **healthy** or has minimal adaptations to extrauterine life, and is **NOT considered "at risk"**. - Scores of 7, 8, 9, or 10 at both 1 and 5 minutes are typical for **normal newborns**. - These babies require routine care without special interventions. *0-3* - This range indicates **severe asphyxia** or critical depression, where the newborn is in **life-threatening condition**. - This is beyond "at risk" - these babies require **immediate resuscitation** and are in critical danger. - A score of 0-3 at 5 minutes is associated with significantly increased neonatal mortality and risk of neurological damage. *Above 8* - This range (9-10) overlaps with the 7-10 category and indicates an **excellent, healthy newborn**. - Scores of 9 and 10 show no signs of depression and represent optimal adaptation to extrauterine life. - These newborns are definitely **NOT at risk**.

Q: An infant presents with hepatosplenomegaly and thrombocytopenia. Neuroimaging with CT shows periventricular calcifications. What is the most likely diagnosis?

Congenital cytomegalovirus infection. ***Congenital cytomegalovirus infection*** - **Periventricular calcifications** on neuroimaging are a classic and highly suggestive finding for congenital CMV infection. - **Hepatosplenomegaly** and **thrombocytopenia** are common systemic manifestations of congenital CMV, which can be severe. *Congenital rubella syndrome* - Rubella typically causes **sensorineural hearing loss**, ocular abnormalities (e.g., cataracts), and congenital heart defects (e.g., patent ductus arteriosus), rather than periventricular calcifications. - While hepatosplenomegaly and thrombocytopenia can occur, the specific brain calcification pattern points away from rubella. *Congenital herpes simplex virus infection* - HSV infection in neonates presents with a variety of symptoms, including skin vesicles, keratoconjunctivitis, and seizures. - Brain imaging often shows **focal necrosis** or **encephalitis**, not typically periventricular calcifications unless it's a very widespread and destructive process. *Congenital toxoplasmosis* - Congenital toxoplasmosis classic triad includes **chorioretinitis**, **hydrocephalus**, and **intracranial calcifications**, but these calcifications are typically scattered or diffuse rather than strictly periventricular. - While hepatosplenomegaly and thrombocytopenia can be present, the specific location of calcifications is a key differentiating factor.

Q: Cause of greenish-black stool in a neonate -

First intestinal discharge in newborns. ***First intestinal discharge in newborns*** - The greenish-black stool in a neonate is characteristic of **meconium**, which is the first intestinal discharge. - Meconium is composed of materials ingested during the fetal period, including **vernix caseosa**, fine hair (lanugo), **intestinal epithelial cells**, mucus, and biliary secretions. *Breakdown product of hemoglobin metabolism* - While hemoglobin breakdown products (like **bilirubin**) contribute to the color of stool, this option is too general and doesn't specify the unique nature of **meconium**. - Bilirubin is primarily responsible for the yellow color of later infant stools, not the initial greenish-black of meconium. *Urinary pigment found in normal excretion* - **Urinary pigments** (like urochrome) are responsible for the color of urine, not stool. - This option refers to a completely different bodily excretion system. *Hepatic pigment involved in bile production* - This option likely refers to **bilirubin**, which is a hepatic pigment involved in bile production and contributes to stool color. - However, it doesn't fully capture the complex composition and unique appearance of **meconium** as the *first* stool.

Q: In a term baby who is 72 hours old, breastfeeding well, and has a bilirubin level of 14 mg/dL, which of the following statements is true?

Continue to breastfeed. ***Continue to breastfeed*** - A bilirubin level of **14 mg/dL at 72 hours of age** in a healthy, full-term, breastfeeding baby is usually within the range considered **physiological jaundice** and does not warrant stopping breastfeeding. - **Breastfeeding should continue** regardless of jaundice management, as interruption can cause a **decrease in milk supply** and may worsen jaundice by reducing bilirubin excretion through stool. - Continued breastfeeding (8-12 times per day) helps promote bilirubin clearance. *Exchange transfusion* - This is an **invasive procedure** reserved for very high bilirubin levels (typically **>20-25 mg/dL** in full-term infants depending on age and risk factors) or in cases of **acute bilirubin encephalopathy**. - A bilirubin level of 14 mg/dL is **well below the threshold** for exchange transfusion in a healthy term infant. *Phototherapy* - According to **AAP guidelines**, phototherapy thresholds are age-dependent: - At **72 hours of age**, phototherapy is typically considered at bilirubin levels **>15-18 mg/dL** in low-risk term infants. - At 14 mg/dL, **close monitoring** with repeat bilirubin measurement is appropriate, but phototherapy is generally **not yet indicated** for a healthy term infant without risk factors. *None of the options* - This option is incorrect because **continuing to breastfeed** is the appropriate and evidence-based management for this clinical scenario. - The other interventions (exchange transfusion, phototherapy) are **not indicated** at this bilirubin level and age in a healthy term infant.

Q: A baby born at 34 weeks gestation weighs 3kg. Which of the following conditions is this child most likely to develop in the immediate postnatal period?

Anemia. ***Anemia*** - A 3kg baby at 34 weeks is **large for gestational age (LGA)** and often associated with maternal diabetes, leading to initial **polycythemia** due to chronic intrauterine hypoxia and increased erythropoietin production. - After birth, the excess red blood cells undergo rapid **hemolysis**, resulting in **anemia** in the immediate postnatal period as a recognized complication of LGA babies. *APH* - **Antepartum hemorrhage (APH)** is a maternal obstetric complication involving bleeding before delivery, not a condition that develops in the newborn. - This is a **maternal complication** that occurs during pregnancy, not a neonatal condition that the baby would present with after birth. *Diabetes* - While **maternal diabetes** is often the cause of fetal macrosomia, the newborn does not develop diabetes itself in the immediate postnatal period. - These babies are instead at risk for **hypoglycemia**, **respiratory distress**, and **polycythemia** due to fetal hyperinsulinemia, but not diabetes as a presenting condition. *None of the options* - This is incorrect because **anemia** is indeed a valid condition that LGA babies can develop through the **polycythemia-hemolysis cycle**. - While other complications like **hypoglycemia** are more statistically common, anemia remains a recognized sequela among LGA babies in the immediate postnatal period.

Question 1

A newborn with blood group O positive, whose mother is Rh negative, has a cord bilirubin level of 7 mg/dl. What is the appropriate treatment?

Accepted Answer

Check Direct Coomb's Test (DCT)

Answer

Monitor bilirubin levels

Answer

Prepare for exchange transfusion

Answer

Start phototherapy

Question 2

Which of the following statements about Kangaroo Mother Care is false?

Accepted Answer

It is only applicable to mothers.

Answer

Can also be provided by the father.

Answer

It is especially beneficial for low birth weight infants.

Answer

It provides effective thermal control.

Question 3

Which drug is primarily used in neonatal resuscitation?

Accepted Answer

Adrenaline

Answer

Sodium bicarbonate

Answer

Naloxone

Answer

Atropine

Question 4

Post term baby with tachypnea - commonest cause?

Accepted Answer

Meconium aspiration syndrome

Answer

Transient tachypnea of newborn

Answer

Hyaline membrane disease

Answer

Infection

Question 5

The most common bone fractured during birth is

Accepted Answer

Clavicle

Answer

Scapula

Answer

Radius

Answer

Humerus

Question 6

Which of the following APGAR score ranges indicates that a newborn is 'at risk'?

Accepted Answer

4-6

Answer

7-10

Answer

Above 8

Answer

0-3

Question 7

An infant presents with hepatosplenomegaly and thrombocytopenia. Neuroimaging with CT    shows periventricular calcifications. What is the most likely diagnosis?

Accepted Answer

Congenital cytomegalovirus infection

Answer

Congenital rubella syndrome

Answer

Congenital herpes simplex virus infection

Answer

Congenital toxoplasmosis

Question 8

Cause of greenish-black stool in a neonate -

Accepted Answer

First intestinal discharge in newborns

Answer

Breakdown product of hemoglobin metabolism

Answer

Urinary pigment found in normal excretion

Answer

Hepatic pigment involved in bile production

Question 9

In a term baby who is 72 hours old, breastfeeding well, and has a bilirubin level of 14 mg/dL, which of the following statements is true?

Accepted Answer

Continue to breastfeed

Answer

Exchange transfusion

Answer

Phototherapy

Answer

None of the options

Question 10

A baby born at 34 weeks gestation weighs 3kg. Which of the following conditions is this child most likely to develop in the immediate postnatal period?

Accepted Answer

Anemia

Answer

APH

Answer

Diabetes

Answer

None of the options

Neonatology — MCQs

Neonatology — MCQs

On this page

Practice by Chapter

Want unlimited practice?