Microbiology Comprehensive Quiz
Test your knowledge on Microbiology by answering the questions provided in this quiz.
1.
Which of the following viruses is associated with the development of cervical cancer?
3.
Which of the following bacteria produces swarming growth on blood agar?
4.
Which of the following is false regarding bacteria causing UTIs?
5.
There is an incidental finding of a common nematode infection in a colon biopsy of a 52-year-old female day care worker. Which of the following organisms is likely to be present?
6.
Infection with which of the following organisms is not associated with granuloma formation?
7.
Cholera red reaction is identified by:
8.
Which of the following microscopic features is characteristic of Candida albicans?
9.
Which of the following is transmissible between people
10.
The infective stage of Leishmania is:
11.
A patient in the ward presents to you with recurrent UTIs and a chronic infected leg wound. He has a history of diabetes and is currently on chemotherapy for lung cancer. On biochemical testing of a sample taken from his urine at the microbiology lab: Indole +, hydrogen sulphide +, urease +, glucose fermentation with acid production. Which is the most likely microorganism?
12.
A 65-year old man presents with fever, severe headache and nuchal rigidity. Lumbar puncture reveals cloudy CSF with 1200 neutrophils/mm3, elevated protein, and decreased glucose. Which is the most probable causative organism for this condition
14.
Which of the following is the intermediate host for Schistosoma mansoni?
15.
The following organisms are usually associated with blood in diarrhoea except?
16.
Which one of the following individuals developed the first vaccine, and against which disease was it developed?
17.
Which of the following fungi is most likely to be found within reticuloendothelial cells?
18.
The infective stage of Plasmodia species to mosquitoes is:
19.
A 7-year-old female child is taken to an urgent care facility because of fever and periodic incontinence. The physician suspects a urinary tract infection. What is the most likely etiology of this child’s infection?
20.
A farmer who rears sheep for wool noticed a painless pruritic papule on his forearm that developed into an ulcer before finally forming a black eschar. Cultures showed gram positive spore-forming non-motile rods with Medusa head colonies on blood agar. Name the causative organism.
21.
Select the false statement regarding prokaryotes and eukaryotes:
22.
A patient has acute T cell lymphocytic leukemia. her leukemic cells are found to be producing a virus. The patient most likely acquired the viral infection via which route?
23.
A 25-year-old man presents with a painless ulcer on his penis. Laboratory testing reveals the presence of spirochetes. What is the most likely causative agent?
24.
Which of the following organisms is the most common cause of community-acquired pneumonia?
25.
Example of anaerobic medium include:
26.
A 18 year old boy is admitted because of bleeding from a duodenal ulcer. Culture at 37 C grew urease positive curved bacteria. The most likely causative agent is?
28.
Protease inhibitors are useful drugs against HIV by preventing maturation of the budding virion. This maturation process involves proteolytic cleavage of which HIV protein?
29.
Select the false statement regarding Bacillus anthracis:
30.
The coagulase test is performed to identify coagulase positive:
31.
Which one of the following antifungals is specifically employed in the treatment of cryptococcosis and is always used in combination with other antifungals?
33.
Which vaccine is made from reassorted bovine and human viruses?
34.
Mycoplasmas are bacterial cells that:
35.
Coxiella brunetti infects a variety of animals, including birds, farm animals, and pets. which route of infection is most common in humans?
36.
Which of the following is an antifungal medication commonly used to treat Candida albicans infections?
37.
What is the characteristic microscopic appearance of Treponema pallidum, the causative agent of syphilis?
38.
Which of the following is a protozoan parasite transmitted by the bite of the tsetse fly and causes African sleeping sickness?
39.
Which virus is responsible for causing infectious mononucleosis?
40.
The primary mode of transmission of poliomyelitis is via:
41.
A 23 year old woman presents with dysuria. Urine nitrite test is negative. The bacteria is cultured. Biochemical tests are catalase +, coagulase -, novobiocin resistant. Which organism is the most likely cause?
42.
A 30-year-old woman presents with fever, chills, and a productive cough. Gram stain of the sputum reveals gram-positive cocci in pairs and chains. What is the most likely organism responsible for her symptoms?
43.
Which of the following pathogens is a leading cause of atypical pneumonia?
44.
Which of the following bacteria is a common cause of foodborne illness and is associated with ingestion of undercooked poultry and raw eggs?
45.
Which feature is unique to gram-positive bacteria?
46.
A 5 year old girl presented to the clinic with fever, sore throat, a maculopapular rash that began on the neck spreading to her trunk, and a bright red tongue with papillary hyperplasia. Which best describes the causative organism?
47.
Blood and urine cultures are taken from a 73-year-old man hospitalized with suspected Escherichia coli uro-sepsis. Which culture medium would allow selective growth of Gram-negative enterics while suppressing the growth of Gram-positive bacteria, Haemophilus and Neisseria?
48.
Which of the following organism requires fatty-acid supplementation for growth
50.
Which of the following parasites is associated with megaloblastic anaemia
51.
A 39 year old man with diabetes is admitted with a black necrotic eschar in the nasal cavity. Histological examination of the affected tissue shows broad non-septate hyphae with right-angled branching. What is the diagnosis?
52.
Which of the following bacteria is not capsulated?
