A) Is skewed to the left B) Has mean = 1.0 C) Has standard deviation = 0.0 D) Has variance = 1.0 Answer (Select an option above to get the answer):
(Single Best Answer) Question 222: The PEFR of a group of 11 year old girls follow a normal distribution with mean 300 l/min and standard deviation 20 l/min ?
A) About 95% of the girls have PEFR between 260 and 340 l/min B) The girls have healthy lungs C) About 5% of girls have PEFR below 260 l/min D) All the PEFR must be less than 340 l/min Answer (Select an option above to get the answer):
A) Prob (A or B) = Prob (A) + Prob (B) B) Prob (A and B) = Prob (A).Prob (B) C) Prob (A) = Prob (B) D) Prob (A) + Prob (B) = 1 Answer (Select an option above to get the answer):
(Single Best Answer) Question 224: Total Cholesterol level = a + b (calorie intake) + c (physical activity) + d (body mass index); is an example of ?
A) Simple linear regression B) Simple curvilinear regression C) Multiple linear regression D) Multiple logistic regression Answer (Select an option above to get the answer):
(Single Best Answer) Question 225: The Hb level in healthy women has mean 13.5 g/dl and standard deviation 1.5 g/dl, what is the Z score for a woman with Hb level 15.0 g/dl ?
A) 9.0 B) 10.0 C) 2.0 D) 1.0 Answer (Select an option above to get the answer):
A) Early neonatal mortality B) Perinatal mortality C) Post neonatal mortality D) Late neonatal mortality Answer (Select an option above to get the answer):
(Single Best Answer) Question 228: A cardiologist found a highly significant correlation coefficient (r=0.90, p=0.01) between the systolic blood pressure values and serum cholesterol values of the patients attending his clinic. Which of the following statements is a wrong interpretation of the correlation coefficient observed ?
A) Since there is a high correlation, the magnitudes of both the measurements are likely to be close to each other B) A patient with a high level of systolic BP is also likely to have a high level of serum cholesterol C) A patient with a low level of systolic BP is also likely to have a low level of serum cholesterol D) About 80% of the variation in systolic blood pressure among his patients can be explained by their serum cholesterol values and vice a versa Answer (Select an option above to get the answer):
A) Selenium sulphide B) Ketoconazole C) Griseofulvin D) Clotrimazole Answer (Select an option above to get the answer):
(Single Best Answer) Question 230: A 36-year-old factory worker developed itchy, annular scaly plaques in both groins. Application of a corticosteroid ointment led to temporary relief but the plaques continued to extend at the periphery. The most likley diagnosis is ?
A) Erythema annulare centrifugum B) Granuloma annulare C) Annular lichen planus D) Tinea cruris Answer (Select an option above to get the answer):