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community health officer > community medicine 10 > Flashcards

community medicine 10 Flashcards

1
Q

wastes should not be incinerated,

A

PVC
waste with high content of mercury
silver salts and photographic or radiographic wastes

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2
Q

the heart of activated sludge process is

A

aeration tank

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3
Q

silicosis is a

A

pneumoconiosis

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4
Q

Iatrogenic disease

A

caused by any medical activity like treatment or diagnosis test.

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5
Q

metformin is used to treat

A

diabetics mellitus

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6
Q

secondary sexual characters of female are controlled by which hormone

A

estrogen

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7
Q

Pap smear is a screening test to detect

A

Uterine cervical cancer

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8
Q

cysticercosis is caused by

A

Taenia solium

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9
Q

global warming and cholera

A

(1) carbon dioxide is a gas responsible for global warming

(2) global warming creates a favorable environment for cholera bacteria

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10
Q

17 D vaccine is

A

live vaccine

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11
Q

pellagra

“a”

A

deficiency of niacin
“a”
dementia.dermatitis
diarrehea

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12
Q

which is the smallest bone in human

A

stapes

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13
Q

amino acid is present in the protein of egg

A

methionine

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14
Q

only inorganic compound used in vector control as mosquito

Larvicide.

A 
Paris green (Copper-aceto-arsenite).
stomach poison when ingested by mosquito larvae
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15
Q

The Organic Insecticides fall into four major groups

A

Organochlorines,
Organophosphates,
Carbamates and
Synthetic pyrethroids

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16
Q

Organochlorine Compounds

A

contact
poisons and
act on the nervous system
The most important is DDT.

17
Q

DDT

A

Dichloro-diphenyl-trichloroethane

18
Q

Organophosphorus Compounds

A 
derivatives of phosphoric acid and act by inhibiting the activity of cholinesterase.
Malathion,
Temephos, 
Fenthion, 
Dichlorovos (DDVP) 
and Fenitrothion
19
Q

Malathion

A

the least toxic Organophosphorus
compounds
used as Indoor Residual Spray
against mosquitoes

20
Q

Temephos

A

only insecticide
approved for use in potable water.
successfully used for the control of
Anopheles stephensi breeding in wells and domestic containers at a dosage of 1ppm

21
Q

Fenthion

A

good mosquito larvicide but can
not be used in potable water bodies.
highly effective as a
larvicide against Culex quinquefasciatus
or any other vector found breeding in non potable water bodies at a dosage of 1
ppm

22
Q

Dichloro-dimethyl-dichlorvinyl-phosphate (DDVP or Dichlorvos)

A 
produces fatal insecticidal vapour.
can be combined with solid
substances
one of the common insecticides used
for disinsecting aircraft. 
It is an effective housefly larvicide.
23
Q

Carbamates

A

Propoxur,
Carbaryl and
Bendiocarb

24
Q

least toxic Carbamate compound for man and domestic animals.

A

Propoxur
flushing out effect .
is commonly used for cockroach and bedbug control.

25
Q

Synthetic Pyrethroids

A

synthetic derivatives or
analogues of natural Pyrethrum.
broad spectrum,
highly potent with quick knock down action and long residual life
Permethrin, Allethrin,
Phenothrin, Cypermethrin, Cyfluthrin, Deltamethrin and
Bifenthrin.

26
Q

Biorational Insecticides

A

any substance of natural origin that has a detrimental or lethal effect on specific target pest, e.g. insects.
Insect Growth Regulators
Pheromones
Biocides

27
Q

IGRs

A

Insect Growth Regulators

28
Q

Biological Control

A

Predators,
Parasites and
Pathogens.

29
Q

Larvivorous Fish

A

Gambusia affinis

Poecilia reticulata

30
Q

Pathogens

A 
Bacterial agents’
Bacillus thuringiensis var israelensis 
and
Bacillus sphaericus 
in mosquito larval control
31
Q

Viruses against mosquito larvae

A

Nuclear Polyhedrosis virus and

Irido virus

32
Q

N, N-diethyl m-toluamide (DEET)

A

mosquito repellent

33
Q

chitin synthesis inhibitor

A

Novaluron

34
Q

Maximum amount of pesticide on surface is available for killing pests in the formulation

A

Wettable powder

35
Q

Flushing out effect makes
it useful for cockroach
& bed bug control

A

Propoxur

36
Q

Mechanism of action of Bti is by the action of

A

Delta-endotoxin

community health officer (17 decks)

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