Screening

Question 1

Screening

Answer 1

Process of identifying apparently healthy people that may be at increased risk of a disease or condition

Question 2

False positive

Answer 2

Individual referred for further assessment who does not have the target condition

Question 3

False negative

Answer 3

Individual not referred for further assessment who does have the condition

Question 4

Prevalence

Answer 4

number of individuals in a population with the target condition

Question 5

Prevalence equation

Answer 5

Number of ppl with disease at specified time/ number of people in pop at risk at specified time x 100

Question 6

Sensitivity

Answer 6

probability screening test correctly identified diseased subjects

Question 7

Specificity

Answer 7

probability of screening test correctly identifying non-diseased subjects

Question 8

Positive predictive value (PPV)

Answer 8

Probability that subjects with positive screening test truly have disease

Question 9

Negative predictive value

Answer 9

probability that subjects with a negative screening test truly don’t have the disease

Question 10

LOOK AT LECTURE TO CALCULATE

Answer 10

LOOK AT LECTURE TO CALCULATE

Question 11

Equation of positive predictive value

Answer 11

TP/TP + FP

Question 12

Equation of negative predictive value

Answer 12

TN/TN + FN

Question 13

When can the combined test be taken?

Answer 13

Between 10-14 weeks

Question 14

What is combined test testing for?

Answer 14

Down’s
Edwards
Pataus

Question 15

If combined wasnt possible what test can you do? When can you do it?

Answer 15

Quadruple 14-20 weeks

Question 16

Having an extra copy of a chromosome is called what/

Answer 16

Trisomy

Question 17

Where is Newborn blood spot test done?

Answer 17

Heel prick