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Microbiology Interview Questions & Answers

Below we have listed all the Microbiology Interview Questions and answers. Feel free to comment on any Microbiology Interview Questions or answer by the comment feature available on the page.

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Microbiology Interview Questions & Answers

Microbiology is the study of organisms, most of which are too small to be seen with the naked eye, including bacteria, algae, protozoa, and fungi, as well as acellular agents, such as viruses and prions. Eukaryotic micro-organisms possess membrane-bound cell organelles and include fungi and protists, whereas prokaryotic organisms—all of which are microorganisms—are conventionally classified as lacking membrane-bound organelles and include eubacteria and archaebacteria. Microbiologists traditionally relied on culture, staining, and microscopy. However, less than 1% of the microorganisms present in common environments can be cultured in isolation using current means. Microbiologists often rely on extraction or detection of nucleic acid, either DNA or RNA sequences.

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Most humans become infected with legionella by?
A. A water source
B. By tick exposure
C. By mosquito exposure
D. By direct contact with another person who is infected
0.2 Rating
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Each of the following parasites pass through the human lung at some time during their life cycle but only one establishes a home where it divides and causes a chronic disease state. Which one lives in the lung as a definitive host?
A. Strongyloides stercoralis
B. Wuchereria bancrofti
C. Ancylostoma duodenale
D. Paragonimus westermani
E. Ascaris lumbricoides
0.2 Rating
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The normal habitats of nonfermentative bacteria include the following except?
A. Contact lens solutions
B. Hospital water sources
C. House plants
D. Reptiles
0.2 Rating
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Which of the following are characteristics that are shared by Mycoplasma hominis and Ureaplasma urealyticum?
A. Both cause post-partum fever.
B. Ampicillin would be a reasonable choice for treatment.
C. Both organisms are identified by production of urease.
D. Both stimulate production of cold agglutinins.
E. Both organisms grow well on sheep blood agar.
0.2 Rating
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The most frequent cause of viral meningitis in the United States is?
A. Enteroviruses
B. Rhabdoviruses
C. California/Lacrosse virus
D. Lymphocytic choriomeningitis virus
0.2 Rating
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The usual initiating event when infection occurs with a fungus is for?

* A. The patient to ingest it from meat
B. The patient to ingest it from water
C. The patient to acquire it from another person
D. The patient to inhale it
0.2 Rating
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Which of the following pathogens causes invasive joint disease in immuno-compromised hosts?
A. Mycoplasma pneumoniae
B. Mycoplasma hominis
C. Ureaplasma urealyticum
D. Chlamydia pneumoniae
E. None of the above
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A 30 year old patient with advanced HIV infection (AIDS) is admitted to the hospital with a high fever. Blood cultures are performed and you receive a report from the laboratory that they are growing a mycobacteria. The one that is most likely is?
A. Mycobacterium leprae
B. Mycobacterium avium
C. Mycobacterium kansasii
D. Mycobacterium marinum
0.2 Rating
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All of the following are true statements regarding viruses EXCEPT?
A. They contain both RNA and DNA
B. The nucleic acid may be single or double stranded
C. They are obligate intracellular parasites
D. They reproduce using host cell energy
E. The infectious particle is called a virion
0.2 Rating
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Each of the following statements concerning Q fever is correct EXCEPT?
A. Rash is a prominent feature
B. It is transmitted by respiratory aerosol
C. Sheep and cattle are in important reservoir
D. It is caused by Coxiella burnetii
0.2 Rating
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Each of the following is true regarding Pneumocystis carinii. Which statement is false?
A. It lives as a commensal in most humans
B. It is a common cause of community acquired pneumonia
C. It is an AIDS defining illness in patients with HIV
D. It caused pneumonia in malnourished children after World War II
E. The most sensitive way of making the diagnosis is with a direct immunoflourescence stain on sputum or Bronchoalveolar lavage
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Anaerobic infections are?
A. Often continuous to mucosal surfaces
B. Associated with highly vascularized tissue
C. Gram negative
D. Most likely to occur in the lung with its high oxygen level
0.2 Rating
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Taenia saginata and Taenia solium are similar in many ways, but Taenia solium is more dangerous. Which of the following makes T. solium more dangerous?
A. It has an armed scolex
B. It has fewer uterine branches than T. saginata
C. Man can be infected as an intermediate host by eating the eggs from T. solium
D. The cyst or larvae form ingested from pork is more potent than the cyst from beef
E. It produces more eggs than T. saginata
0.2 Rating
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Which of the following is the most common clinical syndrome associated with Mycoplasma pneumoniae?
A. Hemolytic anemia
B. Lobar pneumonia
C. Tracheobronchitis
D. Bullous myringitis
E. Percarditis
0.2 Rating
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Which of the following statements about Group B a streptococcus (Streptococcus agalactiae) is not correct?
A. They are important causes of toxic strep syndrome.
B. They are frequent colonizers of the female genital tract.
C. Screening for this pathogen during pregnancy has reduced the incidence of neonatal sepsis.
D. These organisms are b-hemolytic.
E. They are important causes of urinary tract infections and bacteremia in elderly and diabetic adults.
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A 42-year old patient from Ecuador is admitted with fever, right upper abdominal pain and is found to have a cystic mass of the liver. You suspect an amebic abscess and order stool exams that are reported as positive for E. histolytica and an ameba serology is positive at 1:256. Which statement is false regarding ameba?
A. He should be treated with two medications. One to kill the active trophozoites and a second to kill the cysts.
B. Transmission is by fecal-oral means
C. Amebic liver abscess can usually be treated with medication and do not need to be drained
D. Transmission to a new person is generally done by the more resistant cyst form of the life cycle
E. Aspirate from liver cysts can be used to make the diagnosis because they are loaded with white blood cells and E. histolytica cysts
0.3 Rating
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Important in the laboratory detection of Haemophilus influenzae is that it is?
A. Beta hemolytic on sheep blood agar
B. Catalase positive
C. Anaerobic
D. Fastidious
0.3 Rating
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The infection most often associated with Cryptococcus neoformans is?
A. Septic arthritis
B. Sinusitis
C. Pneumonia
D. Meningitis
0.2 Rating
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An important means of preventing hospital acquired infections is?
A. For health care workers to wash their hands between patient contacts
B. For all patients to be placed in single rooms
C. For all patients to receive a single dose of antibiotics at the time of admission
D. An infection control program with one nurse for every 100 patients in the hospital
0.2 Rating
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Which of the following are characteristics that are shared by Mycoplasma hominis and Ureaplasma urealyticum?
A. Both cause post-partum fever.
B. Ampicillin would be a reasonable choice for treatment.
C. Both organisms are identified by production of urease.
D. Both stimulate production of cold agglutinins.
E. Both organisms grow well on sheep blood agar.
0.2 Rating
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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal



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