paeds493
A 7-year-old boy is diagnosed with metabolic acidosis as a result of severe dehydration. Which of the following conditions is most likely to cause severe dehydration and metabolic acidosis?
Archives: MRCPCH FOP/TAS
paeds494
A child presents with hypertension. Serum potassium analysis shows hypokalaemia. What is the most likely diagnosis?
paeds496
Extracellular body fluid as compared with intracellular body fluid:
paeds489
A cohort study is being designed to look at the relationship between smoking and prostate cancer. What is the usual outcome measure in a cohort study?
paeds488
A clinical trial is conducted to study the benefits of a new oral medication to improve the symptoms of patients with asthma. In the trial 400 patients with asthma, half were given the new medication and half a placebo. Three months later they are asked to rate their symptoms using the following scale: much improved, slight improvement, no change, slight worsening, significantly worse. What is the most appropriate statistical test to see whether the new medication is beneficial?
paeds490
A cohort study is developed to assess the correlation between blood pressure and working long hours. After 10 years of follow-up and for the 1050 individuals working less than 40 hours per week, 1000 patients had normal blood pressure and 50 patients were diagnosed with hypertension. For the 660 patients working more than 40 hours per week, 600 patients had normal blood pressure and 60 patients were diagnosed with hypertension. If you work more than 40 hours per week, what is the odds ratio of developing hypertension compared to the individuals working less than 40 hours per week?
paeds491
A 10 month infant was brought in a drowsy condition with a 4 day history of vomiting and diarrhoea. His skin turgor was reduced and skin appeared mottled. Vital signs showed decreased BP, reduced capillary refill and a heart rate of 145/min. The best choice of treatment in this case would be?
paeds486
A case-control study is being designed to look at the relationship between eczema and a new vaccine for yellow fever. What is the usual outcome measure in a case-control study?
paeds485
There is a measure of dispersion of a set of data from its mean. Which of following is the best term which can describe the above?
paeds484
In a study, 50 out of 100 smokers developed lung cancers and 50 out of 200 non-smokers developed lung cancers. Which of the following is accurate?