MICRO Chapter 6: Microbial Nutrition and Growth Flashcards
Chapter 6 NCLEX Prep
- A saprobe derives its energy from
a. sunlight.
b. conversion of nutrients from other organisms.
c. utilizing the tissues/fluids of a living host.
d. metabolizing the organic matter of dead organisms.
- d. metabolizing the organic matter of dead organisms.
Chapter 6: Microbial Nutrition and Growth
Chapter 6 NCLEX Prep
- Mineral ions used in microbial nutrition include
a. sodium.
b. potassium.
c. calcium.
d. magnesium.
e. all of the above.
- e. all of the above.
Chapter 6: Microbial Nutrition and Growth
Chapter 6 NCLEX Prep
- A physician has ordered hypotonic parenteral therapy for a post-operative client over a 24-hour period. Based on this order, what is the priority nursing action?
a. Verify the order with the physician and pharmacy and hang the fluid as ordered.
b. Obtain a pump for the infusion.
c. Place the client on intake and output measures.
d. Begin intravenous hypotonic fluids.
- a. Verify the order with the physician and pharmacy and hang the fluid as ordered.
Chapter 6: Microbial Nutrition and Growth
Chapter 6 NCLEX Prep
- Which statements are true with respect to environmental factors’ influence on microbes?
Select all that apply.
a. The optimum temperature range for microbes reflects the highest temperature at which growth will occur.
b. Temperature adaptation is accomplished by defined ecological groups.
c. Certain microbes require a higher carbon dioxide concentration for growth than that found in our atmosphere.
d. All microbes live and/or grow within a narrow pH range of 6 to 8.
e. The majority of microbes live in hypotonic and/or isotonic solutions.
- b. Temperature adaptation is accomplished by defined ecological groups.
c. Certain microbes require a higher carbon dioxide concentration for growth than that found in our atmosphere.
e. The majority of microbes live in hypotonic and/or isotonic solutions.
Chapter 6: Microbial Nutrition and Growth
- An organism that can synthesize all its required organic components from CO2 using energy from the sun is a
a. photoautotroph.
b. photoheterotroph.
c. chemoautotroph.
d. chemoheterotroph.
- a. photoautotroph
Chapter 6: Microbial Nutrition and Growth
- Which of the following is not one of the six major elements microbes need to survive, grow, and reproduce?
a. oxygen
b. calcium
c. sulfur
d. nitrogen
e. carbon
- b. calcium
Chapter 6: Microbial Nutrition and Growth
- A microbe that does not require oxygen for metabolism but will use it if available is a/an
a. microaerophile.
b. facultative anaerobe.
c. obligate anaerobe.
d. aerotolerant anaerobe.
e. obligate aerobe.
- b. facultative anaerobe.
Chapter 6: Microbial Nutrition and Growth
- A pathogen would most accurately be described as a
a. parasite.
b. commensal.
c. saprobe.
d. symbiont.
- a. parasite.
Chapter 6: Microbial Nutrition and Growth
- Which of the following is true of passive transport?
a. It requires a gradient.
b. It uses the cell wall.
c. It includes endocytosis.
d. It only moves water.
- a. It requires a gradient.
Chapter 6: Microbial Nutrition and Growth
- A cell exposed to a hypertonic environment will ______ by osmosis.
a. gain water
b. lose water
c. neither gain nor lose water
d. burst 165
- b. lose water
Chapter 6: Microbial Nutrition and Growth
- Psychrophiles would be expected to grow
a. in hot springs.
b. on the human body.
c. at refrigeration temperatures.
d. at low pH.
- c. at refrigeration temperatures.
Chapter 6: Microbial Nutrition and Growth
- In a viable plate count, each ___________ represents a __________ from the sample population.
a. cell; colony
b. colony; cell
c. hour; generation
d. cell; generation
- b. colony; cell
Chapter 6: Microbial Nutrition and Growth
