स्त्री तथा प्रसूति र बाल रोग – ObGyn & Pediatrics MCQ
स्त्री तथा प्रसूति र बाल रोग – MD/MS प्रवेश
ObGyn & Pediatrics · MECEE-PG – MD/MS/MDS Entrance · ५९० प्रश्न
५९० प्रश्न उपलब्ध। मोड छान्नुहोस्:
स्त्री तथा प्रसूति र बाल रोग: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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A newborn infant is diagnosed with transposition of the great arteries. Which of the following findings would be MOST characteristic on a chest X-ray?
सही उत्तर: ख) Egg-on-a-string cardiac silhouette
The 'egg-on-a-string' appearance describes the classic radiographic finding in transposition of the great arteries where the pulmonary artery is connected to the aorta and there is a shunt between them. The other options represent normal or abnormal heart shapes but not this specific presentation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following laboratory findings would be MOST suggestive of congenital hypothyroidism in an infant?
सही उत्तर: ख) Low serum TSH and low free T4
Congenital hypothyroidism is characterized by inappropriately high levels of thyroid stimulating hormone (TSH) in the presence of a normal or slightly reduced free thyroxine (T4). Options 2, 3, and 4 are not specific to congenital hypothyroidism.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 6-month-old infant presents with a history of intermittent fever (up to 38.5°C) for several days followed by a maculopapular rash. Physical examination reveals no signs of bacterial infection. What is the most likely diagnosis?
सही उत्तर: ख) Measles
The described presentation – fever followed by a rash – strongly suggests measles, a highly contagious viral illness characterized by this pattern of symptoms. Varicella and Rubella can cause rashes but typically present differently in infants. Pityriasis rosea is less likely given the fever component.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following mechanisms primarily contributes to the therapeutic effect of phototherapy in neonatal jaundice?
सही उत्तर: ख) Conversion of bilirubin to unconjugated bilirubin which is excreted in bile
Phototherapy utilizes blue wavelengths of light to isomerize bilirubin from its conjugated form (which is poorly absorbed) to unconjugated bilirubin. This unconjugated bilirubin is then more readily excreted in the feces. Options 1, 2, and 3 are incorrect as they describe alternative or less relevant mechanisms.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Hegar’s sign of early pregnancy refers to: (a) Palpable uterine fundus (b) Increased vaginal bleeding (c) Presence of a palpable liquor pocket in the vagina (d) Signs of fetal movement
सही उत्तर: ग) (c) Presence of a palpable liquor pocket in the vagina
Hegar’s sign, named after Dr. Hegar, describes the presence of a fluid-filled pocket in the lower segment of the uterus, indicative of amniotic fluid accumulation which is characteristic of early pregnancy. The other signs relate to later stages or fetal movement.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a child with nephrotic syndrome, which finding makes minimal change disease (MCD) LESS likely and warrants further investigation? (a) Persistent proteinuria > 3.5 g/24 hours (b) Serum albumin level < 30g/L (c) Elevated serum cholesterol levels (d) Presence of hematuria
सही उत्तर: क) (a) Persistent proteinuria > 3.5 g/24 hours
MCD is characterized by minimal or no protein in the urine and is less likely with persistently high proteinuria (>3.5 g/24 hours). The other options are associated with other forms of nephrotic syndrome (e.g., membranoproliferative).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The most common extracranial solid tumour of childhood, frequently associated with raised urinary vanilmandelic acid (VMA) levels, is: (a) Neuroblastoma (b) Wilms’ Tumor (c) Medulloblastoma (d) Retinoblastoma
सही उत्तर: ख) (b) Wilms’ Tumor
Neuroblastoma is the most prevalent solid tumor in children, particularly around ages 2-6 and often linked to elevated VMA levels due to catecholamine production. While Wilms' tumor (b) also presents as a childhood solid tumor, it doesn’t typically show high VMA levels.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a brow presentation, the engaging diameter is the: (a) Diameter of the fetal head (b) Distance between the fetal forearms (c) Maximum transverse diameter of the maternal pelvis (d) Length of the fetal femur
सही उत्तर: ख) (b) Distance between the fetal forearms
In brow presentation, the fetal presenting part (forehead) engages with the widest diameter - that is the engaging diameter. Options (b), (c) and (d) are related to different fetal measurements or pelvis dimensions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 32-year-old female presents to the clinic with painless, recurrent, bright red vaginal bleeding in the third trimester. The most likely diagnosis is: (a) Placenta Previa (b) Abruptio Placentae (c) Uterine Habet (d) Septic Abortion
सही उत्तर: ख) (b) Abruptio Placentae
Abruptio placentae is the most common cause of painless vaginal bleeding in the third trimester due to placental separation before delivery. Placenta previa (a), uterine habet (c), and septic abortion (d) all present with different symptoms and are less likely in this scenario.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following congenital heart defects is MOST frequently associated with Down syndrome?
सही उत्तर: ख) Atrioventricular Septal Defect (AVSD)
The AVSD, including conditions like Atrial Septal Defect and Ventricular Septal Defect, is highly prevalent in individuals with Down syndrome. The other options are less commonly linked to this chromosomal condition.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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