community medicine 10

Question 1

wastes should not be incinerated,

Answer 1

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

Question 2

the heart of activated sludge process is

Answer 2

aeration tank

Question 3

silicosis is a

Answer 3

pneumoconiosis

Question 4

Iatrogenic disease

Answer 4

caused by any medical activity like treatment or diagnosis test.

Question 5

metformin is used to treat

Answer 5

diabetics mellitus

Question 6

secondary sexual characters of female are controlled by which hormone

Answer 6

estrogen

Question 7

Pap smear is a screening test to detect

Answer 7

Uterine cervical cancer

Question 8

cysticercosis is caused by

Answer 8

Taenia solium

Question 9

global warming and cholera

Answer 9

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

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

Question 10

17 D vaccine is

Answer 10

live vaccine

Question 11

pellagra

“a”

Answer 11

deficiency of niacin
“a”
dementia.dermatitis
diarrehea

Question 12

which is the smallest bone in human

Answer 12

stapes

Question 13

amino acid is present in the protein of egg

Answer 13

methionine

Question 14

only inorganic compound used in vector control as mosquito

Larvicide.

Answer 14

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

Question 15

The Organic Insecticides fall into four major groups

Answer 15

Organochlorines,
Organophosphates,
Carbamates and
Synthetic pyrethroids

Question 16

Organochlorine Compounds

Answer 16

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

Question 17

DDT

Answer 17

Dichloro-diphenyl-trichloroethane

Question 18

Organophosphorus Compounds

Answer 18

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

Question 19

Malathion

Answer 19

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

Question 20

Temephos

Answer 20

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

Question 21

Fenthion

Answer 21

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

Question 22

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

Answer 22

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.

Question 23

Carbamates

Answer 23

Propoxur,
Carbaryl and
Bendiocarb

Question 24

least toxic Carbamate compound for man and domestic animals.

Answer 24

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

Question 25

Synthetic Pyrethroids

Answer 25

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.

Question 26

Biorational Insecticides

Answer 26

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

Question 27

IGRs

Answer 27

Insect Growth Regulators

Question 28

Biological Control

Answer 28

Predators, Parasites and Pathogens.

Question 29

Larvivorous Fish

Answer 29

Gambusia affinis | Poecilia reticulata

Question 30

Pathogens

Answer 30

``` Bacterial agents’ Bacillus thuringiensis var israelensis and Bacillus sphaericus in mosquito larval control ```

Question 31

Viruses against mosquito larvae

Answer 31

Nuclear Polyhedrosis virus and | Irido virus

Question 32

N, N-diethyl m-toluamide (DEET)

Answer 32

mosquito repellent

Question 33

chitin synthesis inhibitor

Answer 33

Novaluron

Question 34

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

Answer 34

Wettable powder

Question 35

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

Answer 35

Propoxur

Question 36

Mechanism of action of Bti is by the action of

Answer 36

Delta-endotoxin