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Question 1

In epidemics, death certificate should be secured within

Answer 1

5 days from day of burial

Question 2

either solid or liquid particle dispersed into air

Answer 2

Aerosol

Question 3

dispersed solid particle resulting from breakup of larger masses of material

Answer 3

dust

Question 4

visible aerosol of a liquid by condensation

Answer 4

fog

Question 5

aerosol of solid particle formed by condensation (molten metal) which reacts with air to form oxide

Answer 5

fume

Question 6

most significant air pollutant to public health

Answer 6

PM 10

Question 7

dispersion of solid particle in visible range

Answer 7

mist

Question 8

aerosol resulting from incomplete combustion of carbon-containing materials

Answer 8

smoke

Question 9

gaseous phase of material that is ordinarily solid or liquid at room temp and pressure

Answer 9

vapor

Question 10

major component of “london fog” predominantly acting on upper respi tract

Answer 10

Sulfur dioxide

Question 11

Most useful cxr finding in asbestosis

Answer 11

Bilateral pleural thickening

Diaphragmatic / pericardial calcification (almost pathognomonic)

Question 12

cxr finding in silicosis

Answer 12

egg shell patrern (calcified hilar lymph node)

Question 13

A substance from detergents that is substantially nondegradable leading to persistence of foam in a watercourse

Answer 13

Alkyl Benzene Sulfonate

Question 14

permissible noise exposure

Answer 14

85-90 dBA for 8 hours

Question 15

risk factor of cardiovascular disease with highest prevalence

Answer 15

smoking

Question 16

triad of stomatitis, tremors and erethism is commonly assoc with

Answer 16

mercury poisoning

Question 17

blood lead levels should not exceed

Answer 17

40 mcg/dL

Question 18

leading cause of ESRD in the Phil

Answer 18

DM
HTN
Glomerulonephritis
Polycystic kidney disease

Question 19

legal limit for blood alcohol conc allowed in driving

Answer 19

100 mg/dL

Question 20

general recommendation for DEXA scanning

Answer 20

> 65 years old

Question 21

father of epidemiology

Answer 21

Hippocrates

Question 22

first to describe population by doing vital statistics (birth and death data)

Answer 22

John Graunt

Question 23

discovered that it is possible to vaccinate against small pox

Answer 23

Edward Jenner

Question 24

investigated a cholera epidemic,

father of modern epidemiology

Answer 24

John Snow

Question 25

association between smoking and lung CA was done by

Answer 25

Doll and Peto

Question 26

minimum number of case reports to make a case series

Answer 26

10

Question 27

most frequently acquired injury at the workplace

Answer 27

muscle strain

Question 28

industry with the highest accidental rate and the most dangerous occupation

Answer 28

mining and quarrying sector

Question 29

transmitted by contaminated drinking water

Answer 29

water-borne diseases

Question 30

transmitted due to inadequate water supply (poor hygiene)

Answer 30

water-washed diseases

Question 31

transmitted by agents spread by contact with water

Answer 31

water-based diseases

Question 32

transmitted by insects harboring in water

Answer 32

water related insect-vector diseases

Question 33

most important single test to find out if water is potentially dangerous

Answer 33

bacteriologic testing

Question 34

Iodination of water: | ___ drops per liter of water

Answer 34

2 drops

Question 35

most important single treatment of public water supply

Answer 35

chlorination

Question 36

too much nitrates in water supplies may cause

Answer 36

infantile methemoglobinemia

Question 37

the only method of disposing radioactive waste safely

Answer 37

use of landfill

Question 38

first reported form of occupational cancer

Answer 38

``` chimney sweeps (soot) -squamous cell CA of scrotum ```

Question 39

backbone of disease prevention

Answer 39

epidemiology

Question 40

first link in the chain of infection

Answer 40

infectious agent

Question 41

permanent total disability is temporary total disability lasting longer than

Answer 41

120 days

Question 42

aka brown lung disease or monday fever

Answer 42

byssinosis | cotton dust / fabric manufacturing

Question 43

sampling method used for a reliable community dx

Answer 43

systematic random sampling

Question 44

chemical asphyxiants

Answer 44

hydrogen sulfide hydrogen cyanide carbon monoxide

Question 45

lab exam that confirms the diagnosis of mercury poisoning

Answer 45

urine

Question 46

appropriate measure of central tendency in qualitative data

Answer 46

mode

Question 47

the cause of death reported in statistics (from death certificates)

Answer 47

underlying antecedent cause

Question 48

confidence limits are calculated using

Answer 48

mean and standard error

Question 49

hallmark of an analytic epidemiologic study

Answer 49

use of a valid comparison group

Question 50

causative agent and MOT of typhus

Answer 50

epidemic: Rickettsia prowazekii (body lice) scrub: Orienta tsutsugamushi (mites/chiggers) endemic/murine: R. typhi (fleas)

Question 51

SCREEM family tool to assess available resources

Answer 51

``` Social Cultural Religious Economic Educational Medical ```

Question 52

alteration of behavior by the subjects of a study due to their awareness of being observed

Answer 52

Hawthorne effect | subject bias

Question 53

substance that is causally associated with pneumoconiosis

Answer 53

coal dust / dust particles

Question 54

life expectancy at birth for males? females?

Answer 54

males - 68 | females - 72