UTA MICROBIOLOGY THOLEN ACTUAL
EXAM PAPER 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ Which of the following is an example of a noncommunicable
infectious disease?
a) infection with a respiratory virus
b) food poisoning due to a preformed bacterial toxin in food
c) skin infection acquired from a dog bite
d) infection acquired from the stick of a contaminated needle. Answer:
b) food poisoning due to a preformed bacterial toxin in food
◉ During an 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
developed bacterial endocarditis (an infection of the heart). Which type
of disease is this?
a) iatrogenic
b) nosocomial
, c) vectors
d) zoonotic. Answer: a) iatrogenic
◉ 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. Answer: d) prodromal
◉ 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. Answer: a) contagious
◉ 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
EXAM PAPER 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ Which of the following is an example of a noncommunicable
infectious disease?
a) infection with a respiratory virus
b) food poisoning due to a preformed bacterial toxin in food
c) skin infection acquired from a dog bite
d) infection acquired from the stick of a contaminated needle. Answer:
b) food poisoning due to a preformed bacterial toxin in food
◉ During an 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
developed bacterial endocarditis (an infection of the heart). Which type
of disease is this?
a) iatrogenic
b) nosocomial
, c) vectors
d) zoonotic. Answer: a) iatrogenic
◉ 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. Answer: d) prodromal
◉ 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. Answer: a) contagious
◉ 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
