which of the following investigations is used to diagnose carrier of typhoid fever :
a. blood culture.
b. stool& urine culture.
c.widal test.
a&b
b&c
carriers are important in maintaining the chain of transmission in all of the following except :
poliomyelities
typhoid fever
cholera
measeles
period of communicability in meningiococcal meningitis is :
a. till meningococcal are no longer present in nasopharynx.
b. 7 days after exposure to 3 weeks after appearance of symptoms .
c. 4 days before to 4 days after appearance of symptoms .
d. none of the above.
concerning yellow fever vaccine all are correct except :
it is a live attinuated vaccine .
validity starts after 6 days .
it is valid for ten days .
it is given to residents in endemic area .
isolation of patient is strictly advisable in case of :
a. brucellosis
b. typhoid .
c. botulism .
a + b
a+b+c
immunization against one of the following disease is given only to high risk groups as a routine previntive measure :
tuberclousis
pertussis
influenza
typhoid
measles
postneonatal mortality includes :
still birth
death in the 1st seven days of life
fetal deaths
death in the first month of life
deaths in last eleven months of the first year of life
higher trend of fertility in egypt resulted from :
a. young age at marriage
b. high marriage rate
c. high infant mortality rate
a+b
all of the above
the population pyramid of egypt is characterised by :
wide base
short length
narrow apex
the denominator of cause sp . mortality rate is :
midyear population
all no of cases
all no of death
midyear population of the same sex
