SMLE Community Medicine & Preventive Health 3

Question 1

A screening test is positive in a patient who is later confirmed by the gold standard test to NOT have the disease. This result is classified as:

Accepted Answer

False positive

Answer

A false positive occurs when the screening test incorrectly identifies disease in a person who does not actually have it, as confirmed by the reference standard.

Question 2

Physical inactivity is recognized as a major modifiable risk factor for which of the following groups of conditions?

Accepted Answer

Cardiovascular disease, type 2 diabetes, obesity, and several cancers

Answer

Physical inactivity is a major risk factor for cardiovascular disease, type 2 diabetes, obesity, hypertension, stroke, colon cancer, and breast cancer, among others.

Question 3

A researcher recruits 1,000 disease-free adults and follows them for 10 years to measure who develops type 2 diabetes and why. What study design is being used?

Accepted Answer

Prospective cohort study

Answer

A prospective cohort study follows a disease-free group forward in time to measure the incidence of new disease and identify associated risk factors.

Question 4

The attributable risk (risk difference) for lung cancer between smokers and non-smokers is 0.15. What does this number represent?

Accepted Answer

15 per 100 smokers develop lung cancer attributable to smoking itself

Answer

Attributable risk of 0.15 means that 15 out of every 100 smokers develop lung cancer as a direct result of smoking, beyond the background rate seen in non-smokers.

Question 5

According to Saudi MOH screening guidelines, at what age should colorectal cancer screening begin in average-risk asymptomatic individuals?

Accepted Answer

Age 50 years

Answer

Saudi MOH recommends colorectal cancer screening beginning at age 50 for average-risk individuals, consistent with major international guidelines.

SMLE Practice Test

SMLE Practice Test

SMLE Community Medicine & Preventive Health 3