NCK Licensing Exam (Nursing) Epidemiology and Outbreak Investigation — practice questions
37 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NCK Licensing Exam (Nursing) Epidemiology and Outbreak Investigation in the app →Which phrase completes the standard definition of epidemiology as the study of the distribution and determinanIn the Greek roots that give epidemiology its name, what does the element demos stand for?A clinician and an epidemiologist both attend a patient with diarrheal disease. Which concern belongs to the ePublic health surveillance is best described as which ongoing activity?What distinguishes an analytic epidemiologic study from a purely descriptive one?A case definition serves which purpose during an investigation?Investigators tracing the source of a Salmonella outbreak want certainty that everyone studied truly had that The epidemiologic triad models infectious disease as the interaction of which three elements?For which group of diseases has the epidemiologic triad proved an inadequate model?Pneumocystis carinii colonises some healthy people harmlessly but causes lethal pneumonia when immunity is weaThe stage of subclinical disease running from exposure to the onset of symptoms carries which name when the ilAmong clinically apparent cases of an infection, the proportion that are severe or fatal is measured by which Which description fits a carrier of an infectious agent?What is the reservoir of an infectious agent?Which term names an infectious disease transmissible under natural conditions from vertebrate animals to humanPertussis spreads by sprays produced when an infected person coughs, sneezes or talks over a few feet. How is Children caught measles after entering a consulting room that an infected child had already left. Which properAgents of gastroenteritis leave in feces, are carried on poorly washed hands to food or water, and enter a newImmunisation levels of 85% to 90% have still allowed outbreaks of measles and rubella. Which explanation is giThe constant presence or usual prevalence of a disease in a population within a geographic area is described bFour adults in one neighbourhood are diagnosed with cancer and residents are alarmed, but nobody knows how manAn epidemic that has spread over several countries or continents and affects large numbers of people is calledAn epidemic curve with a steep upslope and a more gradual downslope is characteristic of which pattern of spreIn theory, what shape should the epidemic curve take for a disease spread from person to person?To locate the probable exposure period from the epidemic curve of an apparent point source outbreak, what is cWhy are cases falling outside the main body of an epidemic curve worth examining closely?In a line listing kept during an outbreak investigation, what does each column represent?Investigators suspect that working in the west wing raised the risk of illness. What must the working case defEarly in an investigation a loose case definition is often used and tightened later. Why does the tighter defiInvestigators telephone and visit hospitals and clinics to collect information on any further cases. What is tA health department must judge whether an increase in reports of a notifiable disease is an outbreak. Where doVerifying the diagnosis early in an outbreak investigation serves which two purposes?Control and prevention measures are numbered eleventh in the conceptual sequence of an outbreak investigation.After control measures have begun, active surveillance is continued mainly to answer which question?Communicating the findings of a completed outbreak investigation usually takes which two forms?Which study design suits an outbreak of gastroenteritis among wedding guests, where a complete guest list is aAt a banquet the attack rate was 65.4% among people who ate beef and 11.4% among those who did not, giving a r