सामुदायिक चिकित्सा – Community Medicine MCQ

सामुदायिक चिकित्सा: प्रश्न र उत्तर

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

सही: ० / ०

31. The specificity of a screening test with True Positives (TP) = 90, False Negatives (FN) = 10, False Positives (FP) = 20, and True Negatives (TN) = 180 is calculated as follows: Specificity = TN / (TN + FP). Therefore, the specificity of this test is 180 / (180+20) = 0.85 or 85%.

    क0.75 ख0.90 ग0.80 घ0.95
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

32. A researcher wants to determine the prevalence of hypertension among adults aged 30-60 years in Kathmandu Valley. Which data collection method would yield the MOST representative sample for this study?

    कRandom Sampling from a single community health post खStratified Random Sampling based on income level गSystematic Sampling selecting every tenth person from a list of registered doctors घSimple Random Sampling drawing names from a hat
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

33. According to Nepali public health guidelines, what is the primary objective of the Vitamin A supplementation program for children aged 6-59 months?

    कTo treat severe vitamin A deficiency symptoms immediately खTo provide a preventative dose to bolster immune defenses against infections गTo monitor children’s vitamin A status through regular blood tests घTo introduce vitamin A into their diet through food fortification programs
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

34. A community health worker identifies a cluster of suspected measles cases in a remote village. Which epidemiological study design would BEST allow them to investigate the temporal association between exposure to a particular environmental factor (e.g., water source) and the onset of illness?

    कCohort Study खCase-Control Study गCross-Sectional Study घEcological Study
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

35. The term 'herd immunity' describes which of the following scenarios in a community regarding infectious diseases?

    कA large percentage of the population has contracted the disease and shows no symptoms खA sufficient proportion of the population is immune to an infectious agent, providing indirect protection to those who are not immune गIndividuals with strong natural immunity are actively fighting off infection at a rapid rate घOnly vaccinated individuals can prevent the spread of the disease
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

36. Which of the following is the MOST effective strategy for preventing diarrheal diseases in young children in Nepal, based on WHO guidelines?

    कPromoting exclusive breastfeeding for the first six months of life खIntroducing complementary foods at six months without proper hygiene practices गAdministering oral rehydration salts (ORS) only during severe episodes of diarrhea घEducating mothers about handwashing with soap and safe water sources
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

37. A health educator is designing a public health campaign to reduce smoking rates. Which of the following approaches would be MOST effective, based on established behavioral change models?

    कA. Implementing strict laws banning tobacco sales and advertising. खB. Providing smokers with nicotine replacement therapy without any counseling or education. गC. Utilizing persuasive messaging that highlights the negative consequences of smoking and promotes cessation strategies. घD. Conducting random surveys to assess public attitudes towards smoking.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

38. What does ‘Case Fatality Rate’ (CFR) measure?

    कA. The proportion of healthy individuals who develop a disease. खB. The ratio of deaths to total number of cases of a disease. गC. The number of infected individuals in a specific geographic area. घD. The average length of hospital stay for patients with the disease.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

39. Which of the following factors would MOST significantly contribute to the spread of Dengue Fever in a tropical climate?

    कA. Frequent heavy rainfall events that promote mosquito breeding. खB. Low population density and limited access to healthcare facilities. गC. Strict government regulations on indoor pesticide use. घD. A consistently cool average daily temperature.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

40. The World Health Organization (WHO) defines 'herd immunity' as:

    कA. Complete elimination of a disease from a population through vaccination. खB. The protection afforded to individuals within a population when a sufficiently high percentage are immune to an infectious agent. गC. The immediate and complete recovery of all infected individuals after exposure to a pathogen. घD. A statistical measure of the severity of a disease outbreak.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

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    टिप्पणी जाँचपछि मात्र देखिन्छ।