Biostatistics and Epidemiology Quiz

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Which of the following is the definition of the term 'endemic' in epidemiology?

The study of a disease and its behavior within a population

The entire world is involved

More than 2 standard deviations above the normal expected rate

What is the expected amount of disease per unit time in that population (correct)

What is the formula for calculating the fertility rate?

Number of infants who died within 1-12 months of life

Number of live births by women in the fertile years (15-45) (correct)

Number of live births

Number of newborns who died within the first 1 month of life

What does the term 'case fatality rate' represent in epidemiology?

Number of people who died/total number of cases (correct)

Number of people who got the disease/number of susceptible people in the population

Number of live births

Total number of deaths/populations

Which type of bias occurs when the entry criteria for a study are not well defined?

Selection bias Signup and view all the answers

What is the purpose of Phase III in clinical trials?

Testing efficacy and documenting side effects in a large group of patient volunteers Signup and view all the answers

What measure of central tendency is the value that appears most often in a dataset?

Mode Signup and view all the answers

In statistical inference, what is the purpose of defining the NULL hypothesis?

To establish the baseline assumption Signup and view all the answers

Which type of study divides a sample population into two groups based on the presence or absence of a risk factor and follows them over time to measure incidence and prevalence?

Cohort study Signup and view all the answers

What is the formula for calculating the positive predictive value (PPV) of a test?

TP / (TP + FP) Signup and view all the answers

What does a confidence interval represent in a study?

The range of values within which the calculated relative risk or odds ratio is likely to lie Signup and view all the answers

Which class of drugs inhibits glucose absorption (postprandial) by blocking alpha-1-glucosidase?

Alpha Glucosidase Inhibitors Signup and view all the answers

Which class of drugs binds insulin receptors and stimulates transcription?

Thiazolidinediones Signup and view all the answers

Which class of drugs mimics incretins (glucagon like peptide-1 [GLP-1]) that are secreted by the intestinal wall in response to food?

Incretin Mimetics Signup and view all the answers

Which class of drugs inhibits degradation of endogenous GLP-1?

Dipeptidyl Peptidase-4 Inhibitors Signup and view all the answers

Which class of drugs promotes insulin release by blocking voltage-sensitive potassium channels?

Sulfonylureas Signup and view all the answers

Which class of drugs enhances peripheral glucose uptake?

Biguanides Signup and view all the answers

Which class of drugs inhibits gluconeogenesis and causes weight loss?

Biguanides Signup and view all the answers

Which class of drugs interacts with IV contrast to cause renal failure?

Biguanides Signup and view all the answers

Which class of drugs potentiates glucose induced insulin release and inhibits glucagon release?

Incretin Mimetics Signup and view all the answers

Which class of drugs is weight neutral?

Dipeptidyl Peptidase-4 Inhibitors Signup and view all the answers

Biostatistics and Epidemiology Quiz

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Questions and Answers

Which of the following is the definition of the term 'endemic' in epidemiology?

What is the formula for calculating the fertility rate?

What does the term 'case fatality rate' represent in epidemiology?

Which type of bias occurs when the entry criteria for a study are not well defined?

What is the purpose of Phase III in clinical trials?

What measure of central tendency is the value that appears most often in a dataset?

In statistical inference, what is the purpose of defining the NULL hypothesis?

Which type of study divides a sample population into two groups based on the presence or absence of a risk factor and follows them over time to measure incidence and prevalence?

What is the formula for calculating the positive predictive value (PPV) of a test?

What does a confidence interval represent in a study?

Which class of drugs inhibits glucose absorption (postprandial) by blocking alpha-1-glucosidase?

Which class of drugs binds insulin receptors and stimulates transcription?

Which class of drugs mimics incretins (glucagon like peptide-1 [GLP-1]) that are secreted by the intestinal wall in response to food?

Which class of drugs inhibits degradation of endogenous GLP-1?

Which class of drugs promotes insulin release by blocking voltage-sensitive potassium channels?

Which class of drugs enhances peripheral glucose uptake?

Which class of drugs inhibits gluconeogenesis and causes weight loss?

Which class of drugs interacts with IV contrast to cause renal failure?

Which class of drugs potentiates glucose induced insulin release and inhibits glucagon release?

Which class of drugs is weight neutral?

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