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WGU D311 MICROBIOLOGY OA ACTUAL EXAM
COMPLETE 190 QUESTIONS AND CORRECT
VERIFIED ANSWERS LATEST 2024-2025 JUST
RELEASED
QUESTION: A hospital notices an increase in patients being admitted with gastrointestinal symptoms and dehydration over a two-week period. An epidemiological analysis reveals that the cause is the same pathogen, but that none of the hospitalized individuals were ever in the same location at the same time. What is an explanation for this analysis? - ANSWER-These individuals all consumed contaminated food from a common manufacturing source.
QUESTION: Which action is an innate physical defense? - ANSWER-Mucous secretions trapping and removing microbes from the respiratory tract.
QUESTION: Which vaccine type would be effective against an organism that can produce a capsule? - ANSWER-Conjugate
QUESTION: Vhich protocol for microbial growth control leaves the least number of living cells? - ANSWER-Sterilization
QUESTION: Which type of microbial control is necessary for surgical equipment? - ANSWER- Sterilization
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2 QUESTION: How are spore-forming bacteria killed to make canned foods safe for consumption?
- ANSWER-Heat and pressure
QUESTION: Which type of microbial control is used in a variety of situations, from doorknobs to swimming pools to diaper cream. to prevent the growth and spread of microbes? - ANSWER- Phenolics
QUESTION: Why is boiling not used as a sterilization method In clinical settings? - ANSWER- Boiling is not effective against endospores.
QUESTION: Why do beta-lactamase-producing pathogens cause public concern for a
community? - ANSWER-Beta-lactamase is an enzyme that protects the pathogen from some common antibiotics.
QUESTION: Why are antlhelmlnthlc drugs difficult to develop? - ANSWER-Helminths are eukaryotes, and it is difficult to develop medications with selective toxicity for them.
QUESTION: Which pathogen is susceptible to beta-lactam antimicrobials? - ANSWER- Prokaryotic pathogens are susceptible to beta-lactam antimicrobials.
QUESTION: Which process is targeted by antivirals? - ANSWER-Antivirals target the process of nucleic acid synthesis in viruses. 2 / 3
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QUESTION: Which term describes how bacteriostatic antibiotics become bactericidal when the drugs are used together? - ANSWER-The term that describes how bacteriostatic antibiotics become bactericidal when used together is "Synergism."
QUESTION: How can pathogens typically found in animal feces, such as hantavlrus, be transmitted through air? - ANSWER-Dried fecal particles are carried on dust and inhaled by humans.
QUESTION: Which cellular component is conjugated to protein antigens to improve efficacy In the conjugate vaccine. especially for children under the age of two? - ANSWER-Capsule polysaccharide
QUESTION: What is the disadvantage of a live attenuated vaccine? - ANSWER-Risk of reversion
QUESTION: How do vaccines help the body fight against viruses? - ANSWER-By training the adaptive immune system
QUESTION: Which vaccine type would be useful against a toxin-producing strain of bacteria? - ANSWER-Toxoid vaccine
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