REVISION 1

Question 1

Reidel- walker coefficient is used in assessment of

Answer 1

Disinfectant effectiveness

Question 2

What are the extra constituents in ReOsMal as compared to NOrmal ORS ?

Answer 2

Copper
Magnesium
Zinc

Question 3

Name the vector for malaria in following locations

1. Urban
2. Rural
3. Hilly and forest areas

Answer 3

1. Anopheles Stephenson
2. Anopheles culicifecis
3. Anopheles fluvitalis

Question 4

Diet modification and exercise belongs to which level of prevention ?

Answer 4

All levels- primordial,primary,secondary

Question 5

1. Causal agent of chicken pox
2. Secondary attack rate
3. Type of vaccine

Answer 5

1. Varicella , HHV 3
2. 90%
3. Live vaccine

Question 6

Culex mosquito is vector of

Answer 6

Japanese encephalitis

Filaria

Question 7

What is Hawthorne effect and where is it seen ?

Answer 7

It is seen as a disadvantage in cohort study in which subjects change their behaviour during the study altering the results

Question 8

Richest source of vitamin D

Answer 8

Halibut liver oil

Question 9

Oils and powders are sterilised by

Answer 9

Hot air oven

Question 10

Secondary attack rate of pertussis is-

Pertussis is most infectious in which stage ?

Answer 10

90%

In catarraahal stage

Question 11

Which bacteria is most resistant to holder method of pasteurisation ?

Answer 11

Coxiella burnetti

Question 12

Glass can be sterilised by

Answer 12

Hot air oven 160 degree Celsius for 2 hours.

Question 13

How will you identify type II lepra reaction ?

Answer 13

Erythematous lesion which can develop irrespective of starting multi drug therapy ( i.e. before,during,after starting therapy)

Question 14

Method of choice for diagnosis kala Azar. ?

Answer 14

Rapid antigen test- rK139

Question 15

Predominant electrolyte abnormality in a patient with advanced CKD

Answer 15

High anion gap metabolic acidosis

Question 16

To declare VIT A deficiency epidemic what should by the prevalence of corneal xerosis in 6months-6years old children in an area ?

Answer 16

0.01 %

Question 17

Night blindness prevalence to declare public health emergency

Answer 17

> 1%

Question 18

Test to check efficiency of pasteurisation ?

Answer 18

Phosphatase test
Standard plate count
Coliform count

Question 19

How will you calculate total pregnant females in any area ?

Answer 19

Total number of pregnancies + 5% of all live births ( to compensate for pregnancy wastage)

Question 20

Criteria to consider elimination of filariasis from any given area ?

Answer 20

1. Any child born after declaring elimination should not be born with filariasis antigenimia
2. <1% of microfilariae carriers.

Question 21

Triple therapy for filariasis elimination ?

Answer 21

DEC + albendazole + ivermectin

Question 22

Purpose of thin and thick smear in malaria microscopy ?

Answer 22

Thin smear- to identify the species

Thick smear- for parasite concentration estimation.

Question 23

Stain used for malaria microscopy

Answer 23

JSB stain

Question 24

What is the latest guideline of NACO regarding TB in HIV patient ?

Answer 24

All HIV cases should be screened for TB using 4 question Tool- fever, cough, nigh sweat, weight loss.
If +ve- confirm and start ATT
In case of inactive TB- prophylactic Isoniazid Preventive Therapy(IPT) is started
Adult IPT disease- 300 mg isoniazid+ pyridoxine
In children- dosing according to weight

Question 25

Probability that a patient who tested positive for a disease actually has the disease is called

Answer 25

Positive predictive value of the test

Question 26

Asmann psychrometer is used for

Answer 26

Measuring humidity

Question 27

Chandler’s index is used for

Answer 27

Hookworm infeststion

Question 28

Variation in a data set is compared with another set using

Answer 28

Coefficient of variation