चिकित्सा स्नातकोत्तर प्रवेश (MECEE-PG) MD / MS / MDS प्रवेश परीक्षा तयारी

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

171. What is the primary purpose of conducting a cluster randomised trial for evaluating a public health intervention?

     कTo randomly select individuals for inclusion in the study. खTo eliminate bias by assigning participants to groups at the population level. गTo ensure that all participants receive the same treatment. घTo reduce the cost of the study.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

172. The concept of ‘herd immunity’ refers to:

     कIndividual protection against a disease after vaccination. खCollective resistance to a disease when a significant portion of the population is immune. गA strategy for rapidly treating outbreaks of infectious diseases. घThe effectiveness of a single dose vaccine.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

173. Which of the following is a key component of a ‘healthy community’ as defined by WHO?

     कA high concentration of advanced medical technology. खEconomic prosperity at all costs. गSocial equity and access to resources for all residents. घThe lowest possible levels of crime.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

174. A public health surveillance system is MOST effectively used to:

     कPredict future disease outbreaks with absolute certainty. खProvide immediate treatment for individual patients seeking care. गMonitor the incidence and distribution of diseases to guide interventions. घConduct extensive laboratory research on pathogens.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

175. Which of the following best describes the primary goal of community medicine?

     कConducting large-scale clinical trials. खPreventing and controlling diseases through population-based strategies. गProviding direct medical care to individual patients. घFocusing solely on treating acute illnesses.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

176. Which of the following cellular mechanisms is primarily responsible for the anticoagulant effect of low-dose aspirin?

     कA) Inhibition of platelet aggregation via adenosine diphosphate (ADP) blockade. खB) Direct inhibition of thrombin synthesis. गC) Stabilization of the platelet membrane and prevention of granule release. घD) Induction of nitric oxide production, leading to vasodilation.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

177. A patient presents with jaundice, elevated liver enzymes, and a positive anti-hepatocyte cytoplasmic antigen (HCAg) antibody test. Which of the following conditions is MOST likely responsible for these findings?

     कA) Acute pancreatitis खB) Autoimmune Hepatitis गC) Primary Biliary Cholangitis घD) Alcoholic Hepatitis
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

178. The Thiosulphate–citrate–bile salt–sucrose (TCBS) agar medium is predominantly used for the selective growth of:

     कA) *Escherichia coli* खB) *Staphylococcus aureus* गC) *Pseudomonas aeruginosa* घD) *Salmonella enterica*
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

179. Which of the following best describes the function of epithelioid cells within a granuloma?

     कA) They are responsible for antibody production and immune cell activation. खB) They represent histiocytes derived from macrophages that have differentiated to respond to inflammatory stimuli. गC) They are specialized keratinocytes involved in epithelial barrier formation. घD) They are endothelial cells that promote angiogenesis within the granuloma.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

180. Which of the following statements accurately describes the clinical significance of ‘window period’ in acute Hepatitis B infection? a) It represents the time when viral load is highest. b) It is the period immediately after vaccination where protection has not yet developed. c) It's the timeframe during which detectable HBV DNA levels can fluctuate significantly, making testing unreliable for diagnosis. d) This term relates to the patient’s age range when they are most vulnerable to infection.

     कa) It represents the time when viral load is highest खb) It is the period immediately after vaccination where protection has not yet developed गc) It's the timeframe during which detectable HBV DNA levels can fluctuate significantly, making testing unreliable for diagnosis घd) This term relates to the patient’s age range when they are most vulnerable to infection
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।