In-Class Assignment CH 7-9

Question 1

______ is defined as the reduction or removal of unwanted chemical or biological agents.

Answer 1

Decontamination

Question 2

The technique that combines freezing and drying to preserve microbes and other cells is

Answer 2

Lyophilization

Question 3

Process of cleaning glassware or tableware.

Answer 3

Sanitization

Question 4

The food preparation process in which not all microorganisms are killed, but the number of microbes capable of spoiling the food or causing disease is reduced , is called

Answer 4

Pasteurization

Question 5

Autoclaving will usually destroy/inactivate all fungi, bacteria, viruses, and most bacterial spores but will not necessarily eliminate _____.

Answer 5

Prions

Question 6

The destruction of vegetative organisms by chemical or physical methods is called

Answer 6

Disinfection

Question 7

Antimicrobial agents that are specifically designed to be used on a living tissue are refereed to as a

Answer 7

Antiseptic

Question 8

Agents that kill microbes are classified as

Answer 8

Microbicidal

Question 9

John Lister used carbonic acid or ____ as a disinfectant to denature proteins and disrupt the cell membrane of pathogens

Answer 9

Phenol

Question 10

____ has been used for hundreds of years to kill bacteria, endospores, fungi, and mold. It has various industrial, and household uses

Answer 10

Chlorine

Question 11

Chemicals, such as soap and detergent, that reduce the surface tension of solvents, so the solvent become more effective at dissolving the solute molecules are ___.

Answer 11

Surfactants

Question 12

______ technique is a procedure performed under sterile conditions

Answer 12

Aseptic

Question 13

An inanimate object or substance capable of transporting pathogens from one medium or individual to another is referred to as a

Answer 13

Fomite

Question 14

The destruction of all microorganism and their endospores is referred to as

Answer 14

Sterilization

Question 15

The process by which the numbers of microbes in a limited area are reduced by scrubbing is called

Answer 15

Degermination

Question 16

Introducing a small sample of a microorganism into a growth medium is

Answer 16

Inoculation

Question 17

The growth that appears is the culture ______ vary in nutrient content and consistency and can be classified according to their physical state, chemical composition, and functional type.

Answer 17

Media

Question 18

_______ media contain complex organic substances, such as blood or chocolate to grow specific microorganisms.

Answer 18

Enriched

Question 19

The most common differential stain in microbiology is _____ stain.

Answer 19

gram

Question 20

Bacteria that appear red after gram staining are said to be gram-

Answer 20

negative

Question 21

Bacteria that appears blue after gram staining are said to be gram-

Answer 21

positive

Question 22

_______ stain is for microorganisms like tuberculosis, nocardiosis, and cryptosporidiosis , that have mycolic acid in their cells walls that resists Gram statin.

Answer 22

Acid-fast

Question 23

______ is a division of the U.S Department of Labor

Answer 23

OSHA

Question 24

The four types of biosafety levels for containment of harmful agents have been established by the

Answer 24

NIH

Question 25

A form that contains data regarding the properties of a particular substance is the ______ form

Answer 25

MSDS

Question 26

Hand-washing guidelines have been established by

Answer 26

CDC

Question 27

When using a fire extinguisher remember the -PASS stands for pull, aim, squeeze, and

Answer 27

Sweep

Question 28

A(n) _____ is a device that uses superheated steam under pressure to sterilize equipment and objects,

Answer 28

Autoclave

Question 29

______ protective equipment issued to protect the wearer from specific hazards, although it does not eliminate the hazard.

Answer 29

Personal

Question 30

Hepatitis B and C, HIV are _____ pathogens food in a healthcare setting.

Answer 30

Bloodborne