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WGU D311 MICROBIOLOGY OA NEWEST 2025
ACTUAL EXAM| COMPLETE 200 QUESTIONS
AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+|
D311 EXAM REVIEW|| BRAND NEW!!
What differentiates signs from symptoms of disease? - ANSWER - Signs are measurable; symptoms are subjective.
Which procedure does a clinician use to measure a symptom? - ANSWER - Asking patients to rate pain on a numerical scale
During which stage of an infection does a patient feel the worst? - ANSWER - The period of illness stage
What defines the end of the incubation period for an infectious disease?
- ANSWER - The appearance of nonspecific signs or symptoms of
disease
How does the epidermis help prevent infection and disease? - ANSWER
- It provides a harsh environment for most pathogens and periodically
sheds
How does the complement system contribute to the innate immune response? - ANSWER - It is composed of proteins that can be activated 1 / 3
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pg. 2 by the presence of pathogens to form the membrane attack complex
(MAC).
Why are antimicrobial peptides (AMPs) considered an innate immune function? - ANSWER - AMPs are produced both routinely and as a response to pathogens.
Which terms refer to monocytes when they differentiate into tissue- specific phagocytes? - ANSWER - Macrophages and dendritic cells
Which microbial control type can be used to completely eliminate all vegetative bacteria, endospores, fungi, and viruses from an inanimate item? - ANSWER - Sterilization
Which term describes the area specially created and maintained for performing medical procedures that carry risk from contamination? - ANSWER - Sterile field
Which physical method of control works by removing microorganisms from a liquid? - ANSWER - Filtration
Which physical method of control is used to denature proteins and alter membranes of microorganisms to prevent spoilage of milk, apple juice, honey, and other ingestible items to reduce microorganism levels? - ANSWER - Pasteurization
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pg. 3 Which technique will ensure that Clostridium botulinum and botulinum toxin cannot cause foodborne illness? - ANSWER - Boiling foods for at least 10 minutes prior to eating
Which method would be used to sterilize an antibiotic solution? - ANSWER - Membrane filtration
Which chemical treatment would be used before a disinfectant to reach a soiled surface? - ANSWER - A surfactant
Which class of chemical disinfectant denatures proteins and disrupts membranes? - ANSWER - Phenolics
Which chemical is commonly used for hand sanitizers and to degerm a site prior to injections due to its effective destruction of vegetative bacteria by denaturing proteins and its quick-drying properties? - ANSWER - Alcohols
Which chemical is effective at killing bacterial endospores with sufficient time and concentration? - ANSWER - Peroxygens
Which factor is of particular importance when administering an antibacterial drug to an immunocompromised patient due to the patient's inability to clear infections? - ANSWER - Bactericidal antimicrobial
Which antibacterial drug works by inhibiting nucleic acid synthesis? - ANSWER - Fluoroquinolones
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