चिकित्सा स्नातकोत्तर प्रवेश (MECEE-PG) MD / MS / MDS प्रवेश परीक्षा तयारी
चिकित्सा स्नातकोत्तर प्रवेश (MECEE-PG) – MD / MS / MDS प्रवेश परीक्षा
MECEE-PG – MD/MS/MDS · MECEE-PG (MD/MS/MDS)
२,८६५ प्रश्न उपलब्ध। मोड छान्नुहोस्:
MD/MS/MDS प्रवेश: 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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Howell–Jolly bodies in red cells on a peripheral smear suggest:
सही उत्तर: क) Splenectomy or functional asplenia
Howell–Jolly bodies are nuclear remnants normally removed by the spleen; they persist after splenectomy or in hyposplenism (e.g. sickle cell disease).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Keratin pearls and intercellular bridges on histology indicate a tumour of which type?
सही उत्तर: घ) Squamous cell carcinoma
Keratinisation (keratin pearls) and desmosomal intercellular bridges are the hallmarks of squamous differentiation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Psammoma bodies are characteristically seen in:
सही उत्तर: घ) Papillary carcinoma of the thyroid
Psammoma bodies (laminated calcified concretions) occur in papillary thyroid carcinoma, serous ovarian tumours, meningioma and mesothelioma.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Li–Fraumeni syndrome, with sarcomas, breast cancer, brain tumours and leukaemia at a young age, is due to a germline mutation of:
सही उत्तर: क) TP53
Li–Fraumeni syndrome results from an inherited TP53 mutation, conferring a very high lifetime risk of multiple cancers.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Knudson's 'two-hit' hypothesis was proposed from studies of:
सही उत्तर: ग) Retinoblastoma
Knudson explained familial (one inherited plus one acquired hit) and sporadic (two acquired hits) retinoblastoma by loss of both RB alleles.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The tumour suppressor gene called the 'guardian of the genome' is:
सही उत्तर: ख) TP53
p53 halts the cell cycle at G1 for DNA repair or triggers apoptosis if damage is irreparable; it is the most commonly mutated gene in human cancers.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Serum sickness and the Arthus reaction are examples of:
सही उत्तर: ख) Type III hypersensitivity
Both are caused by deposition of antigen–antibody (immune) complexes with complement activation, i.e. type III hypersensitivity.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Goodpasture syndrome is an example of which type of hypersensitivity?
सही उत्तर: क) Type II (antibody-mediated)
Antibodies against the α3 chain of type IV collagen in glomerular and alveolar basement membranes cause type II hypersensitivity with linear IgG deposits.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a healing wound, the collagen laid down early in granulation tissue, later replaced during remodelling, is mainly:
सही उत्तर: घ) Type III collagen
Granulation tissue initially contains type III collagen, which is replaced by stronger type I collagen as the scar matures.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The epithelioid cells of a granuloma are derived from:
सही उत्तर: ग) Activated macrophages
Epithelioid cells are activated macrophages (stimulated by IFN-γ) with abundant pink cytoplasm; they may fuse to form giant cells.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
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