1 answer

QUESTION 13 An organism with a temperature growth range of 45°C to 60°C would be called...

Question:

QUESTION 13 An organism with a temperature growth range of 45°C to 60°C would be called a(n) o extremophile. thermoduric. o t
QUESTION 14 Organisms that feed on dead organisms for nutrients are called O phototrophs. O parasites. saprobes. O autotrophs
QUESTION 15 You are involved with the study of a healthcare-associated infection that has spread to 20% of inpatients. The in
QUESTION 16 The term that refers to the presence of several flagella at one end of bacteria lophotrichous. peritrichous. amph
QUESTION 13 An organism with a temperature growth range of 45°C to 60°C would be called a(n) o extremophile. thermoduric. o thermophile. psychrotroph. psychrophile.
QUESTION 14 Organisms that feed on dead organisms for nutrients are called O phototrophs. O parasites. saprobes. O autotrophs. lithoautotrophs.
QUESTION 15 You are involved with the study of a healthcare-associated infection that has spread to 20% of inpatients. The infected patients are exhibiting numerous signs and symptoms associated with an acute infection. As the health care personnel in charge, you provide education to staff regarding the pattern of bacterial growth and infection control. Which of the following pertain the last phase of microbial growth curve? The population of cells is slowly increasing, The population of cells is rapidly increasing. The patient is experiencing the most severe stage of infection. The cells are not metabolically active.
QUESTION 16 The term that refers to the presence of several flagella at one end of bacteria lophotrichous. peritrichous. amphitrichous. atrichous. monotrichous.

Answers

13. extremophiles are organisms that thrives in extreme environments.

Thermoduric is a microorganism that is able to survive high temperatures; specifically it can servive pasteurization.

Thermophiles are a group of heat loving microbes having ability to grow at high temperature usually more than 45°C.

Psychrotrophs are cold-tolerant bacteria or archaea that have the ability to grow and reproduce at low temperatures usually between 15 and 20°C.

Psychrophiles are extremophilic organisms having ability to grow and reproduce in low temperatures, ranging from −20 °C to +10 °C.

Thus, correct answer is option c.

14. Phototrophs: Use sunlight to prepare food.

Parasites: Lives on/in host and get food from the host causing disease.

Saprobes: Group of fungi that get its nourishment from nonliving or decaying organic matter.

Autotrophs: Prepare its own food using CO2 and water from environment with the help od sunlight.

Lithoautotrophs: diverse group of procaryotes, united only by their ability to oxidize an inorganic compound as an energy source.

Thus, the correct answer is option c.

15. The last phase of bacterial growth curve is death phase where population of bacterial cells declines exponentially and the cells are not not metabolically active. The population of cells increase in log phase whic is the second phase not the last one.

The patient exprience most severe stage of infection in stationary phase because that is the time where the pathogen concentration is maximum in the body and equal number of pathogen grow to that of number of pathogen dying.

Thus, the correct answer is option d.

16. lophotrichous: multiple flagella at one polar end.

peritrichous: flagella uniformly distributed over the body.

amphitrichous: having a single flagellum at each end.

atrichous: Without flagella.

monotrichous: one flagellum at only one pole or end.

Thus, the correct answer is option a.

.

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