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Micropara Lab Quiz > Quizlet > Flashcards

Quizlet Flashcards

1
Q

This discipline includes fundamental research on the biochemistry, physiology, cell biology, ecology, evolution and clinical aspects of microorganisms, including the host response to these agents.

A

Microbiology

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2
Q

A microscopic organism, which may be single-celled or multicellular.

A

Microorganism or microbe

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3
Q

It is actually a convex lens of small focal length, which is used for seeing the magnified images of small objects.

A

Simple microscopes

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4
Q

Used to observe the morphology of organism such as bacteria ,protozoa, fungi, and algae in living (unstained) and nonliving (stained ) state.

A

Brightfield

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5
Q

Used to detect microorganism in cells ,tissues and clinical specimens

A

Fluorescence

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6
Q

These ultra-thin sections for electron microscopy are cut on an ultramicrotome with a glass or diamond knife. Glass knives can easily be made in the laboratory and are much cheaper than diamond, but they blunt very quickly and therefore need replacing frequently.

A

Sectioning

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7
Q

a general term used to describe the process of preserving a sample at a moment in time and to prevent further deterioration so that it appears as close as possible to what it would be like in the living state, although it is now dead.

A

Fixation

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8
Q

Microorganism that prefer warmer temperature, but can tolerate or endure very cold temperature and can be preserved in the frozen state.

A

PSYCHRODURIC ORGANISMS

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9
Q

The movement of solvent through a permeable membrane, from a solution having a lower concentration of solute to a solution having a higher concentration of solute.

A

Osmosis

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10
Q

Are organisms that require sufficient amount of oxygen for growth anfld multiplication

A

Obligate aerobes

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11
Q

a type of light microscope that uses a compound lens system, meaning, it operates through two sets of lenses to magnify the image of a specimen.

A

Compound light microscope

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12
Q

a general purpose, nutrient medium used for the cultivation of microbes supporting growth of a wide range of non-fastidious organisms.

A

Nutrient agar

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13
Q

Is the formulation made after modification which contains an increased level of vancomycin for greater inhibition of gram-positive organisms.

A

Martin-Lewis Agar

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14
Q

A drug or chemical that inhibits growth and reproduction of microorganism

A

MICROBISTATIC AGENTS

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15
Q

The use of chemical agent to inhibit the growth of pathogens either temporarily or permanently.

A

Disinfectant

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16
Q

Catabolization of red blood cells

A

Hemolysis

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17
Q

a scientific discipline that deals with the application of microorganisms and the knowledge about them.

A

Applied microbiology

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18
Q

length of a typical humanspermatozoon’s head

A

5μm –

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19
Q

The hole in the middle of the stage that allows light from the illuminator to reach the specimen.

A

Aperture

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20
Q

an ultra-thin coating of electrically-conducting material, deposited by low vacuum coating of the sample.

A

Sputter coating

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21
Q

a device that allows the rotation of an object about a single axis, where an outward force is applied perpendicularly to the axis.

A

Centrifuge

22
Q

used to estimate the density of a liquid culture by counting the number of CFU (colony forming units) on an agar or culture plates.

A

Colony counter

23
Q

thin metal device with a handle at one end and a looped wire at the other end

A

Wire inoculating loop

24
Q

Process that combines dehydration and freezing

A

LYOPHILIZATION

25
Q

Refers to the presence of pathogens in blood or tissues

A

Sepsis

26
Q

The following are examples of a Pond water protozoa except: Chlamydomonas, Euglena, Vorticella, Paramecium, Bacci, Volvox, Stentor

A

Bacci

27
Q

Useful for examining thin spirochetes

A

Darkfield

28
Q

produces images by detecting secondary electrons which are emitted from the surface due to excitation by the primary electron beam.

A

Scanning Electron Microscope (SEM)

29
Q

A rotating turret that houses the objective lenses. The viewer spins the nosepiece to select different objective lenses.

A

Nosepiece

30
Q

Bacteria that partially destroys red blood cells are known as

A

Alpha hemolytic

31
Q

These are Non hemolytic, colorless, moist colonies with a characteristic “mousy” odour.

A

Haemophilus influenzae

32
Q

________ Also known as broth which are Contained in tubes and are often referred to as “tubed media.”

A

Liquid media

33
Q

Used to express the sizes of microorganism

A

Metric system

34
Q

Yeasts, Septate hyphae (hyphae with cross-walls), septate hyphae (hyphae without cross-walls) are all examples of what kind of microorganism?

A

Fungi

35
Q

A limit to what can be seen using optical instrument

A

RESOLVING POWER OR RESOLUTION

36
Q

Specifically inhibits the metabolism and reproduction of bacteria.

A

BACTERIOSTATIC AGENT

37
Q

used as a solidifying agent ,much like gelatin is used as a solidifying agent in the kitchen.

A

Complex polysaccharide

38
Q

The length of time necessary to sterilize a pure culture at a specified temperature are known as ________

A

THERMAL Death Time (TDT)

39
Q

This reduces the number of organism on a surface, it does not penetrates pores and hair follicles to destroy microorganism residing there. It was also applied to the site of surgical incision to destroy local microorganism.

A

Antiseptic

40
Q

This is among the uses of a chocolate agar where it permits the differentiation of organism that grow in the medium

A

Differential medium

41
Q

This is a very popular liquid medium for use in the bacteriology laboratory as it supports the growth of all categories of bacteria from obligate aerobes to obligate anaerobes

A

Thioglycollate Broth (THIO)

42
Q

a chamber that contains appropriate atmosphere and moisture level and set to maintain the appropriate temperature

A

Incubator

43
Q

This is done to determine the degree of bacterial contamination in drinking water, milk, and other foods

A

BACTERIAL POPULATION COUNTS

44
Q

THE FIRST PHASE OF THE GROWTH, DURING WHICH the bacteria absorb nutrients, synthesize enzymes and prepare for cell division.

A

Lag phase

45
Q

The following are FACTORS THAT INFLUENCE THE GROWTH OF MICROORGANISM IN THE BODY, IN THE NATURE, OR IN LABORATORY EXCEPT:

  1. TEMPERATURE
  2. pH
  3. WEATHER
  4. Moisture content
  5. available nutrients
  6. Characteristic of other organism present
A

Weather

46
Q

Bacteria that completely destroys red blood cells arw known as _____

A

Beta hemolytic

47
Q

It is a selective medium used to cultivate Gram positive organisms.

A

Phenylethyl alcohol agar (PEA)Phenylethyl alcohol agar (PEA)

48
Q

Refers to a general purpose, liquid medium that allows the growth of fastidious organisms

A

Nutrient broth

49
Q

It is a liquid medium that involves adding a portion of the specimen to the medium

A

Inoculation

50
Q

Microbes that actually prefer salty environment

A

Halophylic

Micropara Lab Quiz (1 decks)

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