BIOL 2030 Exam One Practice Questions and Answers 2026.docx

BIOL 2030 Exam One
Practice Questions and
Answers 2026

,Which of the following is(are) reason(s) that Microbiology is a unique part of the study of life?
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a. microorganisms are too small to be seen with the naked eye
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b. microorganisms are our planet's dominant life form.
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c. microorganisms occupy most ecological niches on Earth.
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d. all of these are correct reasons. - correct answerd. all of these are correct reasons.
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Named in order of increasing level of complexity; the 3 principal categories of microorganisms.
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are _______ .k k




a. viruses, bacteria and protozoa
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b. noncellular, prokaryotes, and eukaryotes
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c. prions, viruses, and bacteria
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d. eukaryotes, prokaryotes, and viruses - correct answerb. noncellular, prokaryotes, and eukaryotes
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The majority of prokaryotes possess:
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a. internal structures that lack membranes a plasma cell membrane and cell wall
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b. membrane-bound organelles such as nucleus, a plasma cell membrane and cell wall
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c. no internal structures, but have a plasma cell membrane and cell walls
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d. presence of internal structures that lack membranes, and have a plasma cell membrane but
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have no cell walls - correct answera. internal structures that lack membranes a plasma cell membrane and cell
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wall



What does the term "pathogenesis" mean?
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a. development of any disease process
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b. development of any infectious disease
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c. development of a pathogen
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d. development of a noncommunicable disease - correct answerb. development of any infectious disease
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Which is the correct order of the five basic steps of pathogenesis?
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, a. pathogen entry into host, thwarting immune defenses pathogen attachment, host damage, and pathogen
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exit

b. pathogen entry into host, pathogen attachment, thwarting immune defenses, host damage, and pathogen
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exit

c. pathogen entry into host, thwarting immune defenses, host damage, pathogen attachment and pathogen
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exit

d. pathogen entry into host, pathogen attachment, host damage, thwarting immune defenses,
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pathogen exit - correct answerb. pathogen entry into host, pathogen attachment, thwarting immune
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defenses, host damage, and pathogen exit k k k k k




How are health care workers protected from hospital acquired pathogens?
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a. use of personal protective equipment (PPE)
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b. use of universal precautions when dealing with body fluids
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c. hand washing
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d. All of these are correct choices. - correct answerd. All of these are correct choices.
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Examples of human defenses against pathogens include all of the following EXCEPT:
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a. skin and mucous membranes
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b. washing action of tearing, sweating and urination
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c. vomiting and diarrhea
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d. chemical defenses like salt from sweat and acidic secretions - correct answerc. vomiting and diarrhea
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Key differences between antiseptics and disinfectants include:
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a. antiseptics are less toxic and may be used on human and animal tissues.
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b. disinfectants are more toxic and are used only on inanimate objects.
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c. antiseptics are more toxic to human pathogens than are disinfectants.
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d. A and B are correct - correct answerd. A and B are correct
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What factor/s will increase the risk of EIDs (emerging infectious diseases) in the future?
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a. misuse of antibiotics
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