Quiz 14 Flashcards
In which of the following diseases can gender be considered a viable predisposing factor?
urinary tract infections
If a prodromal period exists for a certain disease, it should occur prior to
illness
During a six-month period, 239 cases of pneumonia occurred in a town of 300 people. A clinical case was defined as fever 39°C lasting >2 days with three or more symptoms (i.e., chills, sweats, severe headache, cough, aching muscles/joints, fatigue, or feeling ill). A laboratory-confirmed case was defined as a positive result for antibodies against Coxiella burnetii. Before the outbreak, 2000 sheep were kept northwest of the town. Of the 20 sheep tested from the flock, 15 were positive for C. burnetii antibodies. Wind blew from the northwest, and rainfall was 0.5 cm compared with 7 to 10 cm during each of the previous three years.
The etiologic agent of the disease in the situation is
Coxiella burnetii
Which of the following definitions is INCORRECT?
epidemic: a disease that is endemic across the world
Which of the following is NOT a communicable disease?
tetanus
Which of the following is the best mode of controlling the spread of West Nile infections?
Limit exposure to mosquitoes to prevent the transmission of West Nile virus.
A disease in which the causative agent remains inactive for a time before producing symptoms is referred to as
latent
The yeast Candida albicans does not normally cause disease because of
antagonistic bacteria
A commensal bacterium
may also be an opportunistic pathogen
