प्याथोलोजी, माइक्रोबायोलोजी र फार्माकोलोजी – Pathology, Microbiology & Pharmacology MCQ

प्याथोलोजी, माइक्रोबायोलोजी र फार्माकोलोजी: प्रश्न र उत्तर

सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।

सही: ० / ०

111. A patient presents with fever, malaise, and neutropenia following exposure to contaminated water. Gram staining reveals the presence of catalase-positive, oxidase-positive bacteria. Which bacterial species is MOST likely responsible for causing this infection?

     कA. Staphylococcus aureus खB. Escherichia coli गC. Pseudomonas aeruginosa घD. Klebsiella pneumoniae
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

112. Which of the following pathological conditions involves granulomatous inflammation characterized by non-caseating necrosis and is often associated with exposure to Mycobacterium species?

     कA. Rheumatoid Arthritis खB. Sarcoidosis गC. Tuberculosis घD. Crohn's Disease
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     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

113. In the context of wound healing, what does ‘scarring’ primarily represent? a) Rapid proliferation of fibroblasts followed by collagen degradation b) Deposition of elastin fibers resulting in increased tissue elasticity c) A dense deposit of collagen fibers with limited cellularity and reduced vascularization d) Extensive angiogenesis creating a highly vascularized granulation tissue

     कa) Rapid proliferation of fibroblasts followed by collagen degradation खb) Deposition of elastin fibers resulting in increased tissue elasticity गc) A dense deposit of collagen fibers with limited cellularity and reduced vascularization घd) Extensive angiogenesis creating a highly vascularized granulation tissue
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

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     टिप्पणी जाँचपछि मात्र देखिन्छ।

114. The classical hay fever reaction (immediate hypersensitivity) involves which key immunological mechanism? a) Complement activation through the alternative pathway b) Binding of IgE antibodies to mast cells and basophils c) Direct cytotoxicity mediated by T lymphocytes d) Antibody-mediated destruction of erythrocytes

     कa) Complement activation through the alternative pathway खb) Binding of IgE antibodies to mast cells and basophils गc) Direct cytotoxicity mediated by T lymphocytes घd) Antibody-mediated destruction of erythrocytes
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

115. Which of the following histological findings would most strongly suggest a metastatic carcinoma? a) Extensive keratinization and formation of hornstones b) Presence of fibrinoid necrosis within glomerular capillaries c) Stromal desmoplasia, loss of nuclear polarity, and frequent mitoses d) Formation of lipid-laden macrophages in the liver

     कa) Extensive keratinization and formation of hornstones खb) Presence of fibrinoid necrosis within glomerular capillaries गc) Stromal desmoplasia, loss of nuclear polarity, and frequent mitoses घd) Formation of lipid-laden macrophages in the liver
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

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116. Microbiological evidence for a bacterial abscess typically demonstrates which characteristic? a) Presence of acid-fast bacilli b) Extensive polysaccharide capsule production by the causative organism c) Numerous neutrophils and bacteria within the pus fluid d) Obligate anaerobic conditions within the lesion

     कa) Presence of acid-fast bacilli खb) Extensive polysaccharide capsule production by the causative organism गc) Numerous neutrophils and bacteria within the pus fluid घd) Obligate anaerobic conditions within the lesion
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     छलफल / प्रश्न उत्तरमा गल्ती छ

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117. Which of the following mechanisms primarily contributes to the steady-state drug concentration achieved after continuous intravenous administration? a) Rapid clearance by kidneys b) First-order elimination kinetics c) Accumulation in tissues due to prolonged exposure d) Zero-order elimination kinetics

     कa) Rapid clearance by kidneys खb) First-order elimination kinetics गc) Accumulation in tissues due to prolonged exposure घd) Zero-order elimination kinetics
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118. Warthin-Finkeldey multinucleated giant cells, often observed in the lymphoid tissue of patients with infectious mononucleosis (IM), are predominantly derived from which cellular lineage?

     कEosinophils खMacrophages गT lymphocytes घB lymphocytes
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119. Psammoma bodies – characterized by concentric calcification – are most frequently found within which pathological context?

     कGranulomatous Diseases खLymphomas and Leukemias गChronic Inflammatory Bowel Disease घPulmonary Emphysema
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120. Which of the following genetic defects is most frequently implicated in the development of Factor V Leiden mutation, a significant risk factor for thrombophilia amongst individuals with European ancestry?

     कBeta-Thalassemia खAlpha-Thalassemias गFactor V Leiden Mutation घProthrombin Gene Mutations
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     टिप्पणी जाँचपछि मात्र देखिन्छ।