Microbiology Exam 3 Questions &
Answers
The principle species of Staphylococcus found on the skin is - Correct
answerepidermidis
Which of the following are considered diseases of the lower respiratory tract? -
Correct answertuberculosis and pneumonia
The process used for identifying the different carbohydrates of streptococci is called -
Correct answerLancefield grouping
Which of the following virulence factors has been associated with Pseudomonas
aeruginosa - Correct answerexoenzyme S
The most common bacterial pathogen(s) involved with sinusitis, otitis media and
conjunctivitis is/are - Correct answerH. influenzae AND S. pneumoniae
Which of the following produces a greenish pigment that may appear in infected
wounds? - Correct answerP. aeruginosa
A vaccine for the common cold is not feasible because - Correct answerthere
are more than 100 types of rhinovirus
The causative agent of whooping cough is - Correct answerB. pertussis
Herd Immunity - Correct answerOccurs in a population in which a large
percentage of the population is immune
A dramatic increase in the incidence of a specific disease in a given population is
referred to as a(n) - Correct answerepidemic
Which is used in the vaccination for C. diphtheria? - Correct answertoxoid
Almost all of the antibodies found in a newborn are - Correct answerthe result
of passive immunity
, Explain the most likely reason why smallpox was successfully eradicated by rabies
probably never will be - Correct answerSmallpox was ONLY found in humans;
rabies is found in numerous animal reservoirs. We cannot reasonably eliminate rabies
in all of the animal reservoirs that exist
Diseases that primarily exist in animals, but may be transmitted to humans are called -
Correct answerzoonotic
Tetanus vaccine contains - Correct answerinactivated tetanospasmin
The most serious consequence of rubella is - Correct answerbirth defects
The exotoxin produced by C. tetani is - Correct answertetanospasmin
Explain how the incubation period can influence the spread of an infectious agent -
Correct answerDepending on the microbe and the illness, and asymptomatic
carrier in the incubation period might be shedding infectious microbes to his/her
surroundings. In such case, a longer incubation period would lead to a greater spread of
the disease as the carrier comes into contact with more individuals while he/she is
generally appearing to be healthy
The popular name for tetanus is - Correct answerlockjaw
A common viral rash of childhood with the popular name chicken pox is also known as -
Correct answervaricella
The practice of deliberately stimulating the immune system is called - Correct
answervaccination
The causative agent of Lyme disease is - Correct answerBorrelia burgdorferi
The cause of strep throat is - Correct answerStreptococcus pyogenes - beta-
hemolytic, group A
In S. pyogenes, which of the following interferes with phagocytosis? - Correct
answerM protein
Answers
The principle species of Staphylococcus found on the skin is - Correct
answerepidermidis
Which of the following are considered diseases of the lower respiratory tract? -
Correct answertuberculosis and pneumonia
The process used for identifying the different carbohydrates of streptococci is called -
Correct answerLancefield grouping
Which of the following virulence factors has been associated with Pseudomonas
aeruginosa - Correct answerexoenzyme S
The most common bacterial pathogen(s) involved with sinusitis, otitis media and
conjunctivitis is/are - Correct answerH. influenzae AND S. pneumoniae
Which of the following produces a greenish pigment that may appear in infected
wounds? - Correct answerP. aeruginosa
A vaccine for the common cold is not feasible because - Correct answerthere
are more than 100 types of rhinovirus
The causative agent of whooping cough is - Correct answerB. pertussis
Herd Immunity - Correct answerOccurs in a population in which a large
percentage of the population is immune
A dramatic increase in the incidence of a specific disease in a given population is
referred to as a(n) - Correct answerepidemic
Which is used in the vaccination for C. diphtheria? - Correct answertoxoid
Almost all of the antibodies found in a newborn are - Correct answerthe result
of passive immunity
, Explain the most likely reason why smallpox was successfully eradicated by rabies
probably never will be - Correct answerSmallpox was ONLY found in humans;
rabies is found in numerous animal reservoirs. We cannot reasonably eliminate rabies
in all of the animal reservoirs that exist
Diseases that primarily exist in animals, but may be transmitted to humans are called -
Correct answerzoonotic
Tetanus vaccine contains - Correct answerinactivated tetanospasmin
The most serious consequence of rubella is - Correct answerbirth defects
The exotoxin produced by C. tetani is - Correct answertetanospasmin
Explain how the incubation period can influence the spread of an infectious agent -
Correct answerDepending on the microbe and the illness, and asymptomatic
carrier in the incubation period might be shedding infectious microbes to his/her
surroundings. In such case, a longer incubation period would lead to a greater spread of
the disease as the carrier comes into contact with more individuals while he/she is
generally appearing to be healthy
The popular name for tetanus is - Correct answerlockjaw
A common viral rash of childhood with the popular name chicken pox is also known as -
Correct answervaricella
The practice of deliberately stimulating the immune system is called - Correct
answervaccination
The causative agent of Lyme disease is - Correct answerBorrelia burgdorferi
The cause of strep throat is - Correct answerStreptococcus pyogenes - beta-
hemolytic, group A
In S. pyogenes, which of the following interferes with phagocytosis? - Correct
answerM protein
