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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Under IMNCI, fast breathing in a child aged 2-12 months is defined as a respiratory rate of:
सही उत्तर: ग) 50 breaths per minute or more
Cut-offs are 60/min under 2 months, 50/min at 2-12 months and 40/min at 12 months to 5 years. Fast breathing is the key sign of pneumonia in this algorithm.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Haemoglobin electrophoresis in beta-thalassaemia major typically shows:
सही उत्तर: ग) Markedly raised HbF
Absent or reduced beta-chain synthesis means little HbA, and gamma chains persist to form HbF, which is markedly raised. HbS is the abnormal haemoglobin of sickle cell disease.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The most common enzyme deficiency causing congenital adrenal hyperplasia is:
सही उत्तर: घ) 21-hydroxylase
21-hydroxylase deficiency (over 90% of CAH) raises 17-hydroxyprogesterone and can cause ambiguous genitalia in girls and salt wasting. 11-beta-hydroxylase deficiency causes hypertension.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A sweat chloride concentration consistent with the diagnosis of cystic fibrosis is:
सही उत्तर: क) 60 mmol/L or more
Sweat chloride of 60 mmol/L or above supports CF; 30-59 is intermediate and below 30 is unlikely. The defect is in the CFTR chloride channel.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The most common mechanism causing Down syndrome is:
सही उत्तर: ख) Meiotic non-disjunction
About 95% of Down syndrome results from non-disjunction, mostly in maternal meiosis I, and its risk rises with maternal age. Translocation accounts for about 4% and may be inherited.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Hypsarrhythmia on EEG is characteristic of:
सही उत्तर: ख) West syndrome (infantile spasms)
West syndrome is the triad of infantile spasms, hypsarrhythmia and developmental regression; ACTH or vigabatrin are used. Absence epilepsy shows 3 Hz spike-and-wave discharges.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A simple febrile seizure lasts less than:
सही उत्तर: ग) 15 minutes
Simple febrile seizures are generalised, last under 15 minutes and do not recur within 24 hours in a child aged 6 months to 5 years. Focal, prolonged or recurrent seizures make it complex.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The most common extracranial solid tumour of childhood, with raised urinary VMA, is:
सही उत्तर: घ) Neuroblastoma
Neuroblastoma arises from neural crest cells, often in the adrenal medulla, and secretes catecholamines whose metabolites (VMA, HVA) appear in urine. Wilms tumour is the commonest renal tumour of childhood.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Post-streptococcal glomerulonephritis is characterised by:
सही उत्तर: क) Low serum C3 that normalises within about 8 weeks
PSGN follows streptococcal pharyngitis by 1-2 weeks (skin infection by 3-6 weeks) with haematuria, oedema and hypertension and transient low C3. Haematuria within 1-2 days of an infection points to IgA nephropathy.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The earliest clinical sign of vitamin D deficiency rickets in a young infant is often:
सही उत्तर: क) Craniotabes
Craniotabes (ping-pong ball softening of the skull bones) appears early, in the first months of life. Bow legs develop later once the child bears weight.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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