BCSE Preventive Medicine and Public Health 4

Question 1

In occupational health, the Threshold Limit Value (TLV) represents:

Accepted Answer

The maximum airborne concentration to which nearly all workers can be repeatedly exposed without adverse effects

Answer

TLVs are guidelines set by ACGIH representing levels for repeated daily occupational exposure without adverse health effects for nearly all workers.

Question 2

Which vaccine-preventable disease has a global eradication goal as of current WHO targets?

Accepted Answer

Poliomyelitis

Answer

The Global Polio Eradication Initiative aims to eradicate all wild poliovirus strains, following smallpox as the second human disease to be eradicated.

Question 3

A number needed to treat (NNT) of 20 means:

Accepted Answer

20 patients must be treated for one to benefit

Answer

NNT = 1 / absolute risk reduction; an NNT of 20 means 20 patients must receive treatment for one additional patient to benefit.

Question 4

The concept of 'primordial prevention' focuses on:

Accepted Answer

Preventing disease risk factors from emerging in the first place

Answer

Primordial prevention addresses societal and environmental conditions to prevent the emergence of risk factors for disease.

Question 5

Which study design provides the strongest level of evidence for establishing causation?

Accepted Answer

Randomized controlled trial

Answer

Randomized controlled trials provide the strongest evidence by randomly assigning subjects to treatment and control groups, controlling for confounding.

BCSE - Basic and Clinical Sciences Examination Practice Test

BCSE - Basic and Clinical Sciences Examination Practice Test

BCSE Preventive Medicine and Public Health 4