Communicable Disease – ESIC Staff Nurse Exam Questions Part – 6

1. Infectivity of chicken pox lasts for?

a) Till the last scab fall off
b) 6days after onset of rash
c) 3days after onset of rash
d) till the fever subsides

2. Secondary attack rate of chicken pox is?

a) 60
b) 50
c) 40
d) 90


3. Shingles is caused by?

a) Variola major
b) Varicella zoster virus
c) CMV
d) Toxoplasma


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4. Koplik spots are seen in?

a) Prodromal period
b) Incubation
c) Eruptive
d) Convalescent period


5. Most common cause of death due to measles?

a) Pneumonia
b) Secondary bacterial infection
c) Measles encephalitis
c) Ottitis media


6. Recommended vaccination strategy for rubella is to vaccinate first and foremost?

a) Women 15-49 yrs
b) Infants
c) Adolescent girls
d) Children 1-14 yrs


7. Treatment of choice for diphtheria is?

a) Erythromycin
b) Tetracycline
c) Colistin
d) DPT


8. Most serious complication of measles?

a) Koplik spot
b) Parotitis
c) Meningoencephalitis
d) Nephritis


9. Most common complication of mumps in children is?

a) Pneumonia
b) Pancreatitis
c) Aseptic meningitis
d) Encephalitis


10. Incubation period of mumps?

a) 7 days
b) 10 days
c) 14 days
d) 18 days


11. Which type of sample can be used to isolate poliovirus earliest?

a) Stool
b) Blood
c) Throat
d) CSF


12. Incubation period of typhoid fever?

a) 10-14 days
b) 3-5 days
c) 21-25 days
d) less than 3 days


13. Best disinfectant for cholera is?

a) Bleaching powder
b) Cresol
c) Coal tar
d) Formalin


14. Urban malaria is due to?

a) Anopheles stephensi
b) Anopheles virus
c) Culex
d) Phleobotamus


15. Rabies free country?

a) China
b) Australia
c) Russia
d) France


16. Bite of which of the following animals does not result in human rabies?

a) Dog
b) Horse
c) Mouse
d) Cat


17. Which virus is used to produce rabies vaccine?

a) Wild
b) Street
c) Fixed
d) Live attenuated


18. Plague is transmitted by?

a) Hard tick
b) Soft tick
c) Rat flea
d) Louse


19. HIV post prophylaxis should be started within?

a) 24 hr
b) 48 hr
c) 72 hr
d) 6 hr


20. Most effective to prevent HIV vertical transmission?

a) HAART
b) Nevirapine
c) Zidovudine
d) Elective Caesarean


21. Which of the following is used to prevent transmission of HIV from infected pregnant mother to new born child?

a) Lamivudine
b) Nevirapine
c) Ntavudine
d) Didanosine


22. True about post exposure prophylaxis of HIV?

a) Should be given in 5 days of exposure
b) Single dose of nevirapine prevent mother to child transmission
c) Given for 2 weeks
d) Standard protocol is to use any two NRTs with no other drugs


23. Average incubation period of HIV to AIDS transformation is?

a) 1 yr
b) 2 yrs
c) 5 yrs
d) 10 yrs


24. In an HIV infected child which vaccine should not be given?

a) DPT
b) OPV
c) Hepatitis B
d) Typhoid vaccine


25. Window period for HIV infection?

a) 3-12 weeks
b) 8-20 weeks
c) 6-24 weeks
d) None

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