Question 1

Which series of dilutions would be best in order to make a 1:3000 dilution?

Accepted Answer

A)  1:10,1:3,1:10 
B)  1:5,1:6,1:100 
C)  1:3,1:100,1:100 
D)  1:30,1:10,1:100 
A)  1:10,1:3,1:10 
B)  1:5,1:6,1:100 
C)  1:3,1:100,1:100 
D)  1:30,1:10,1:100 B

Question 2

Which of the following applies to recapping of needles?

Accepted Answer

A)  It can be done carefully as long as gloves are worn. 
B)  A sheath can be placed back on the needle with the other hand. 
C)  Transport needles back to the lab for disposal. 
D)  Never manually recap a needle. 
A)  It can be done carefully as long as gloves are worn. 
B)  A sheath can be placed back on the needle with the other hand. 
C)  Transport needles back to the lab for disposal. 
D)  Never manually recap a needle. D

Question 3

Which of the following is part of the federal Occupational Exposure to Bloodborne Pathogens Standard Act ?

Accepted Answer

A)  All employees must practice universal precautions at all times. 
B)  Only workers who come in contact with patients need to wear gloves. 
C)  Taking a cup of coffee into the lab is okay as long as it doesn't spill. 
D)  A blood spill can be mopped up at the end of the day. 
A)  All employees must practice universal precautions at all times. 
B)  Only workers who come in contact with patients need to wear gloves. 
C)  Taking a cup of coffee into the lab is okay as long as it doesn't spill. 
D)  A blood spill can be mopped up at the end of the day. A

Question 4

Information on any potentially toxic substance used in a laboratory test kit would be found in:

Accepted Answer

A)  OSHA's Occupational Exposure to Bloodborne Pathogens Standard 
B)  chemical hygiene plan 
C)  material safety data sheet 
D)  exposure control plan 
A)  OSHA's Occupational Exposure to Bloodborne Pathogens Standard 
B)  chemical hygiene plan 
C)  material safety data sheet 
D)  exposure control plan

Question 5

If you want to make 4 mL of a 1:20 dilution,how much serum would be needed?

Accepted Answer

A)  0.2 mL 
B)  2 mL 
C)  0.5 mL 
D)  1 mL 
A)  0.2 mL 
B)  2 mL 
C)  0.5 mL 
D)  1 mL

Question 6

If 0.9 mL of saline is added to 0.1 mL of serum,what does the 0.9 mL represent?

Accepted Answer

A)  the final dilution 
B)  the diluent 
C)  the solute 
D)  the total solution 
A)  the final dilution 
B)  the diluent 
C)  the solute 
D)  the total solution

Question 7

Use of universal precautions is best explained by which of the following?

Accepted Answer

A)  handling a urine specimen from a patient with a bacterial infection very carefully 
B)  wearing gloves in handling a serum specimen from a patient with HIV 
C)  taking gloves off in the lab to place a serum specimen in a chemistry analyzer 
D)  treating every specimen in the lab as if it were infectious 
A)  handling a urine specimen from a patient with a bacterial infection very carefully 
B)  wearing gloves in handling a serum specimen from a patient with HIV 
C)  taking gloves off in the lab to place a serum specimen in a chemistry analyzer 
D)  treating every specimen in the lab as if it were infectious

Question 8

When a staphylococcal infection is passed between patients due to health-care workers not washing their hands,this represents an example of:

Accepted Answer

A)  lack of chemical hygiene 
B)  a sharps hazard 
C)  the chain of infection 
D)  a specimen transport problem 
A)  lack of chemical hygiene 
B)  a sharps hazard 
C)  the chain of infection 
D)  a specimen transport problem

Question 9

When 0.5 mL of serum is added to 1.5 mL of diluent,what dilution does this represent?

Accepted Answer

A)  1:3 
B)  1:4 
C)  1:5 
D)  3:1 
A)  1:3 
B)  1:4 
C)  1:5 
D)  3:1

Question 10

Which of the following should be part of a chemical hygiene plan?

Accepted Answer

A)  appropriate work practices 
B)  engineering controls such as fume hoods 
C)  employee training 
D)  all of the above 
A)  appropriate work practices 
B)  engineering controls such as fume hoods 
C)  employee training 
D)  all of the above

Question 11

On a serial dilution with the following tubes set up,1:2,1:4,1:8,1:16,1:32,and 1:64,there is no visible agglutination in the 1:64 tube.What is the titer of the antibody?

Accepted Answer

A)  32 
B)  16 
C)  64 
D)  cannot determine 
A)  32 
B)  16 
C)  64 
D)  cannot determine

Which series of dilutions would be best in order to make a 1:3000 dilution?

Which of the following applies to recapping of needles?

Which of the following is part of the federal Occupational Exposure to Bloodborne Pathogens Standard Act ?

Information on any potentially toxic substance used in a laboratory test kit would be found in:

If you want to make 4 mL of a 1:20 dilution,how much serum would be needed?

If 0.9 mL of saline is added to 0.1 mL of serum,what does the 0.9 mL represent?

Use of universal precautions is best explained by which of the following?

When a staphylococcal infection is passed between patients due to health-care workers not washing their hands,this represents an example of:

When 0.5 mL of serum is added to 1.5 mL of diluent,what dilution does this represent?

Which of the following should be part of a chemical hygiene plan?

On a serial dilution with the following tubes set up,1:2,1:4,1:8,1:16,1:32,and 1:64,there is no visible agglutination in the 1:64 tube.What is the titer of the antibody?

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Complement System

Precipitation Reactions

Agglutination

Labeled Immunoassays

Molecular Techniques

Flow Cytometry and Laboratory Automation

Hypersensitivity

Autoimmunity

Immunoproliferative Diseases

Immunodeficiency Disease

Transplantation Immunology

Tumor Immunology

Serologic and Molecular Detection of Bacterial Infections

Serologic and Molecular Detection of Bacterial Infections

Serology of Parasitic and Fungal Infections

Spirochete Diseases

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Exam 7: Safety and Specimen Preparation

Which series of dilutions would be best in order to make a 1:3000 dilution?

Which of the following applies to recapping of needles?

Which of the following is part of the federal Occupational Exposure to Bloodborne Pathogens Standard Act ?

Information on any potentially toxic substance used in a laboratory test kit would be found in:

If you want to make 4 mL of a 1:20 dilution,how much serum would be needed?

If 0.9 mL of saline is added to 0.1 mL of serum,what does the 0.9 mL represent?

Use of universal precautions is best explained by which of the following?

When a staphylococcal infection is passed between patients due to health-care workers not washing their hands,this represents an example of:

When 0.5 mL of serum is added to 1.5 mL of diluent,what dilution does this represent?

Which of the following should be part of a chemical hygiene plan?

On a serial dilution with the following tubes set up,1:2,1:4,1:8,1:16,1:32,and 1:64,there is no visible agglutination in the 1:64 tube.What is the titer of the antibody?

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Complement System

Precipitation Reactions

Agglutination

Labeled Immunoassays

Molecular Techniques

Flow Cytometry and Laboratory Automation

Hypersensitivity

Autoimmunity

Immunoproliferative Diseases

Immunodeficiency Disease

Transplantation Immunology

Tumor Immunology

Serologic and Molecular Detection of Bacterial Infections

Serologic and Molecular Detection of Bacterial Infections

Serology of Parasitic and Fungal Infections

Spirochete Diseases

Filters