TBL 5

Question 1

How do you calculate sensitivity?

Answer 1

TP/(TP+FN)

snOUT–> A negative test rules OUT the disease

Question 2

How do you calculate specificity?

Answer 2

TN/(TN+FP)

spIN–> A positive test rules IN the disease

Question 3

What is the difference between multiplex PCR and routine lab methods?

Answer 3

Multiplex PCR: cost-effective, time efficient, able to test for antibiotic resistance simultaneously, mass pathogenic testing in one shot

Routine: able to detect Salmonella and C. difficile better since they have more selective media/growing conditions (?)

Question 4

What is a t test used for?

Answer 4

Used to determine the difference in means of two groups

Question 5

What is a chi squared test used for?

Answer 5

Compare the diff of categories

Question 6

What is a disadvantage of probiotics?

Answer 6

Harbor some of the resistance plasmids -> over to other organisms (makes them pathogenic -> superbugs)