BIOL 2460- Exam 4 with correct answers
Which of the following would be a sign of an infection?
A. muscle aches
B. headache
C. fever
D. nausea - correct answerC
Which of the following is an example of a noncommunicable infectious disease?
A. infection with a respiratory virus
B. food poisoning due to a performed bacterial toxin in food
C. skin infection acquired from a dog bite
D. infection acquired from the stick of a contaminated needle - correct answerB
During oral surgery, the surgeon nicked the patient's gum with a sharp instrument. This allowed
Streptococcus, a bacterium normally present in the mouth, to gain access to the blood. As a result, the
patient has developed bacterial endocarditis (an infection of the lining of the heart). Which type of
disease is this?
A. iatrogenic
B. nosocomial
C. vectors
D. zoonotic - correct answerA
Which period is the stage of disease during which the patient begins to present general signs and
symptoms?
, A. convalescence
B. incubation
C. illness
D. prodromal - correct answerD
A communicable disease that can be easily transmitted from person to person is which type of disease?
A. contagious
B. iatrogenic
C. acute
D. nosocomial - correct answerA
Which of the following is a pathogen that could not be identified by the original Koch's postulates?
A. Staphylococcus aureus
B. Pseudomonas aeruginosa
C. Human immunodeficiency virus (HIV)
D. Salmonella enterica servovar Typhimurium - correct answerC
Pathogen A has an ID50 of 50 particles, pathogen B has an ID50 of 1,000 particles, and pathogen C has
an ID50 of 1 × 106 particles. Which pathogen is most virulent?
A. pathogen A
B. pathogen B
C. pathogen C - correct answerA
Which of the following choices lists the steps of pathogenesis in the correct order?
A. invasion, infection, adhesion, exposure
B. adhesion, exposure, infection, invasion
Which of the following would be a sign of an infection?
A. muscle aches
B. headache
C. fever
D. nausea - correct answerC
Which of the following is an example of a noncommunicable infectious disease?
A. infection with a respiratory virus
B. food poisoning due to a performed bacterial toxin in food
C. skin infection acquired from a dog bite
D. infection acquired from the stick of a contaminated needle - correct answerB
During oral surgery, the surgeon nicked the patient's gum with a sharp instrument. This allowed
Streptococcus, a bacterium normally present in the mouth, to gain access to the blood. As a result, the
patient has developed bacterial endocarditis (an infection of the lining of the heart). Which type of
disease is this?
A. iatrogenic
B. nosocomial
C. vectors
D. zoonotic - correct answerA
Which period is the stage of disease during which the patient begins to present general signs and
symptoms?
, A. convalescence
B. incubation
C. illness
D. prodromal - correct answerD
A communicable disease that can be easily transmitted from person to person is which type of disease?
A. contagious
B. iatrogenic
C. acute
D. nosocomial - correct answerA
Which of the following is a pathogen that could not be identified by the original Koch's postulates?
A. Staphylococcus aureus
B. Pseudomonas aeruginosa
C. Human immunodeficiency virus (HIV)
D. Salmonella enterica servovar Typhimurium - correct answerC
Pathogen A has an ID50 of 50 particles, pathogen B has an ID50 of 1,000 particles, and pathogen C has
an ID50 of 1 × 106 particles. Which pathogen is most virulent?
A. pathogen A
B. pathogen B
C. pathogen C - correct answerA
Which of the following choices lists the steps of pathogenesis in the correct order?
A. invasion, infection, adhesion, exposure
B. adhesion, exposure, infection, invasion
