Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

WCU MICRO MIDTERM PRACTICE QUESTIONS CH. 1,3-11 WITH CORRECT AND VERIFIED ANSWERS 2025 - W, Exams of Nursing

Western Carolina University (WCU)Nursing

WCU MICRO MIDTERM PRACTICE QUESTIONS CH. 1,3-11 WITH CORRECT AND VERIFIED ANSWERS 2025 - WESTERN CAROLINA UNIVERSITY 2025

Typology: Exams

2024/2025

Available from 06/23/2025

joseph-mungai-3
joseph-mungai-3 🇺🇸

182 documents

1 / 136

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
WCU MICRO MIDTERM PRACTICE
QUESTIONS CH. 1,3-11 WITH CORRECT AND
VERIFIED ANSWERS 2025 - WESTERN
CAROLINA UNIVERSITY 2025
1) Standard methods of sterilization are not effective in inactivating
A) viruses.
B) bacterial cells.
C) prions.
D) bacterial endospores.
E) fungi. - correct answers c
2) Which of the following statements is true of disinfectants?
A) Disinfectants are effective in destroying endospores.
B) Disinfectants are used on living tissue.
C) Disinfectants are used for sterilization.
D) Disinfectants are used on inanimate surfaces.
E) Disinfectants are only effective for short periods of time (seconds to minutes). -
correct answers D
3) Which of the following statements concerning microbial death is FALSE?
A) It can be used to evaluate the efficacy of antimicrobial agents.
B) It is constant over time of exposure to an antimicrobial agent.
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14
pf15
pf16
pf17
pf18
pf19
pf1a
pf1b
pf1c
pf1d
pf1e
pf1f
pf20
pf21
pf22
pf23
pf24
pf25
pf26
pf27
pf28
pf29
pf2a
pf2b
pf2c
pf2d
pf2e
pf2f
pf30
pf31
pf32
pf33
pf34
pf35
pf36
pf37
pf38
pf39
pf3a
pf3b
pf3c
pf3d
pf3e
pf3f
pf40
pf41
pf42
pf43
pf44
pf45
pf46
pf47
pf48
pf49
pf4a
pf4b
pf4c
pf4d
pf4e
pf4f
pf50
pf51
pf52
pf53
pf54
pf55
pf56
pf57
pf58
pf59
pf5a
pf5b
pf5c
pf5d
pf5e
pf5f
pf60
pf61
pf62
pf63
pf64

Partial preview of the text

Download WCU MICRO MIDTERM PRACTICE QUESTIONS CH. 1,3-11 WITH CORRECT AND VERIFIED ANSWERS 2025 - W and more Exams Nursing in PDF only on Docsity!

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

  1. Standard methods of sterilization are not effective in inactivating A) viruses. B) bacterial cells. C) prions. D) bacterial endospores. E) fungi. - correct answers c
  2. Which of the following statements is true of disinfectants? A) Disinfectants are effective in destroying endospores. B) Disinfectants are used on living tissue. C) Disinfectants are used for sterilization. D) Disinfectants are used on inanimate surfaces. E) Disinfectants are only effective for short periods of time (seconds to minutes). - correct answers D
  3. Which of the following statements concerning microbial death is FALSE? A) It can be used to evaluate the efficacy of antimicrobial agents. B) It is constant over time of exposure to an antimicrobial agent.

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

C) It is the permanent loss of a microbe's reproductive ability. D) It is the permanent loss of a microbe's ability to reproduce and can be used to evaluate antimicrobial agents. E) It is not an effective means of evaluating the efficacy of antimicrobial agents. - correct answers E

  1. Which of the following is an example of sanitization? A) A public toilet is treated with disinfectants. B) A surgeon washes her hands before surgery. C) Heat is used to kill potential pathogens in apple juice. D) An autoclave is used to prepare nutrient agar. E) A nurse prepares an injection site with an alcohol swab. - correct answers A
  2. Aseptic means A) sterile. B) free of all microbes. C) clean. D) sanitized. E) free of pathogens. - correct answers E

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

C) bacterial endospores. D) protozoan cysts. E) prions. - correct answers A

  1. An instrument that will come into contact with only the skin of a patient should be disinfected with a(n) A) high-level germicide. B) low-level germicide. C) intermediate-level germicide. D) degerming agent only. E) germistatic agent only. - correct answers B
  2. Which of the following is NOT an effective means of sterilization? A) ionizing radiation B) incineration C) lyophilization D) autoclaving E) dry heat - correct answers C

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

  1. Which of the following describes flash pasteurization? A) heating at 63°C for 30 minutes B) heating at 72°C for 15 seconds C) heating at 72°C for 15 minutes D) heating at 134°C for one second E) passing liquid through steam at 140°C - correct answers B
  2. The dairy creamer used in restaurants is usually sterilized by A) filtration. B) ionizing radiation. C) lyophilization. D) UHT sterilization. E) autoclaving. - correct answers D
  3. Boiling water for 10 minutes is effective in ridding it of A) actively growing bacteria. B) enveloped viruses. C) bacterial endospores.

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

A) ultraviolet light B) infrared radiation C) microwaves D) X rays E) gamma rays - correct answers A

  1. Which of the following is used for microbial control in fresh fruits and vegetables? A) X rays B) ultraviolet light C) electron beams D) microwaves E) gamma rays - correct answers E
  2. Which of the following can be used to disinfect air? A) HEPA filters B) ethylene oxide C) ultraviolet light D) both HEPA filters and ultraviolet light

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

E) both ethylene oxide and ultraviolet light - correct answers D

  1. Betadine is an example of which of the following groups of antimicrobial agents? A) alcohols B) heavy metals C) halogens D) phenolics E) surfactants - correct answers C
  2. Which of the following was used in the past to prevent the transmission of gonorrhea from an infected mother to her newborn? A) hydrogen peroxide B) beta-propiolactone C) thimerosal D) hexachlorophene E) silver nitrate - correct answers E
  3. Which of the following is used to sterilize items that should not, or cannot, be exposed to heat or water?

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

E) antiseptic. - correct answers B

  1. The endospores of which of the following microbes are used to measure the effectiveness of autoclave sterilization? A) Clostridium botulinum B) Neisseria gonorrhoeae C) Bacillus stearothermophilus D) Pseudomonas aeruginosa E) Mycobacterium bovis - correct answers C
  2. Which of the following procedures is currently the standard test used in the United States for evaluating the efficiency of antiseptics and disinfectants? A) use-dilution test B) microbial death rate C) in-use test D) thermal death point E) phenol coefficient - correct answers A
  3. Disinfectants that damage membranes include

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

A) alcohol. B) phenolics. C) iodine. D) hydrogen peroxide. E) both alcohol and phenolics. - correct answers E

  1. The process of filtration is a(n) A) disinfectant method. B) sterilizing method. C) sanitization method. D) antiseptic procedure. E) ineffective method for removing microbes. - correct answers B
  2. Hydrogen peroxide is a(n) A) sterilizing agent. B) disinfecting agent. C) antiseptic. D) disinfecting and sterilizing agent.

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

B) facultative anaerobic C) aerotolerant D) obligate aerobic E) both aerotolerant and anaerobic - correct answers D

  1. An aquatic microbe that can grow only at the surface of the water is probably which of the following? A) a phototroph B) a heterotroph C) a chemotroph D) a lithotroph E) an anaerobe - correct answers A
  2. Which of the following forms of oxygen is detoxified by the enzyme catalase? A) singlet oxygen B) hydroxyl radical C) peroxide anion D) superoxide radical E) molecular oxygen - correct answers C

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

  1. All of the following are used to protect organisms from the toxic by-products of oxygen EXCEPT A) carotenoids. B) superoxide dismutase. C) peroxidase. D) protease. E) catalase. - correct answers D
  2. A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n) A) obligate aerobe. B) facultative anaerobe. C) aerotolerant anaerobe. D) microaerophile. E) obligate anaerobe. - correct answers E
  3. Which of the following growth factors would NOT be required by microbes which do not utilize electron transport chains? A) heme.

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

  1. Organisms that can grow with or without oxygen present are A) obligate aerobes. B) facultative anaerobes. C) aerotolerant anaerobes. D) obligate anaerobes. E) either facultative anaerobes or aerotolerant anaerobes. - correct answers E
  2. A fastidious organism might be grown on which of the following types of media? A) transport media B) reducing media C) enriched media D) differential media E) selective media - correct answers C
  3. Obligate anaerobes may be cultured in the laboratory A) in a reducing medium. B) in a candle jar.

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

C) in standard Petri plates. D) on blood agar plates. E) on blood agar plates in a candle jar. - correct answers A

  1. Which of the following measurement techniques would be useful to quantify a species of bacteria that is difficult to culture? A) membrane filtration B) viable plate counts C) MPN D) microscopic counts E) metabolic activity - correct answers D
  2. A Petroff-Hauser counting chamber is A) a glass slide containing an etched grid for counting microbes directly using a microscope. B) a device that counts cells as they interrupt an electrical current. C) a device that measures the amount of light that passes through a culture. D) an apparatus that traps bacterial cells on a membrane filter where they can be counted.

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

  1. __________ are complex communities of various types of microbes that adhere to surfaces. A) Aggregates B) Colonies C) Isolates D) Biofilms E) Media - correct answers D
  2. A colony-forming unit is the number of cells A) in a colony. B) that produces one colony. C) in a particular specimen. D) that is in exponential phase in a culture. E) that can be placed on a Petri plate. - correct answers B
  3. All of the following ingredients might be found in complex media EXCEPT A) hydrogen peroxide. B) yeast extract. C) blood.

QUESTIONS CH. 1,3-11 WITH CORRECT AND

VERIFIED ANSWERS 2025 - WESTERN

CAROLINA UNIVERSITY 2025

D) soy extract. E) milk proteins. - correct answers A

  1. Sodium thioglycollate is associated with which of the following types of media? A) transport media B) differential media C) complex media D) reducing media E) selective media - correct answers D
  2. Which of the following quantification techniques can distinguish living cells from dead cells in a culture? A) microscopic counts B) dry weight C) metabolic activity D) a Coulter counter E) turbidity - correct answers C
  3. Pleomorphic bacteria