Question 1

Which of the following is the type of organism that causes malaria and trypanosomiasis?

Accepted Answer

A)  Virus 
B)  Parasite 
C)  Protozoa 
D)  Bacteria 
A)  Virus 
B)  Parasite 
C)  Protozoa 
D)  Bacteria C

Question 2

A sputum specimen is received in the microbiology laboratory.Gram staining and a microscopic examination reveal a paired,spherical,purple-stained organism.It can be reasonably assumed that this organism is which of the following?

Accepted Answer

A)  Gram-negative bacilli 
B)  Gram-negative staphylococci 
C)  Gram-positive diplococci 
D)  Gram-positive bacilli 
A)  Gram-negative bacilli 
B)  Gram-negative staphylococci 
C)  Gram-positive diplococci 
D)  Gram-positive bacilli C

Question 3

Flash pasteurization exposes equipment to which of the following?

Accepted Answer

A)  Water bath at 72° C for 15 minutes 
B)  Water bath at 63° C for 30 minutes 
C)  Moist heat at 72° C for 15 minutes 
D)  Moist heat at 72° C for 15 seconds 
A)  Water bath at 72° C for 15 minutes 
B)  Water bath at 63° C for 30 minutes 
C)  Moist heat at 72° C for 15 minutes 
D)  Moist heat at 72° C for 15 seconds D

Question 4

Which of the following are the two primary human barriers to infection in the health care setting?

Accepted Answer

A)  Disinfection and sterilization 
B)  Immunologic and mechanical 
C)  Disinfection and pasteurization 
D)  Hand-washing and personal protective equipment 
A)  Disinfection and sterilization 
B)  Immunologic and mechanical 
C)  Disinfection and pasteurization 
D)  Hand-washing and personal protective equipment

Question 5

Which of the following are true about the amount of time required to kill microbes?
1)Time decreases as the strength of the germicide decreases.
2)Time is directly proportional to the number of pathogens.
3)Time increases as the microbial population increases.
4)Time varies with the resistance of the organism.

Accepted Answer

A)  2,3,and 4 
B)  3 and 4 
C)  1 and 3 
D)  2 and 3 
A)  2,3,and 4 
B)  3 and 4 
C)  1 and 3 
D)  2 and 3

Question 6

Phenolic compounds are generally diluted to what concentration?

Accepted Answer

A)  0.04% to 0.05% 
B)  0.4% to 5.0% 
C)  40% to 50% 
D)  4% to 5% 
A)  0.04% to 0.05% 
B)  0.4% to 5.0% 
C)  40% to 50% 
D)  4% to 5%

Question 7

Which of the following figure represents a spirochete?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 8

All of the following organisms can be transmitted via the respiratory tract,except:

Accepted Answer

A)  hepatitis. 
B)  influenza. 
C)  varicella. 
D)  parainfluenza. 
A)  hepatitis. 
B)  influenza. 
C)  varicella. 
D)  parainfluenza.

Question 9

Ventilator-associated pneumonia is commonly caused by which of the following?

Accepted Answer

A)  Escherichia coli 
B)  Bacillus anthracis 
C)  Enterobacteriaceae 
D)  Corynebacterium diphtheriae 
A)  Escherichia coli 
B)  Bacillus anthracis 
C)  Enterobacteriaceae 
D)  Corynebacterium diphtheriae

Question 10

To survive adverse conditions,such as excessive heat and dryness,bacteria might do which of the following?

Accepted Answer

A)  Store excess water in special sporelike structures 
B)  Form large colonies in a short period of time 
C)  Speed up their enzymatic processes 
D)  Form endospores 
A)  Store excess water in special sporelike structures 
B)  Form large colonies in a short period of time 
C)  Speed up their enzymatic processes 
D)  Form endospores

Question 11

Which of the following physical properties are required for an autoclave to sterilize biohazardous material?
1)Dry heat
2)A vacuum
3)100% humidity
4)Increased air pressure

Accepted Answer

A)  2 and 3 
B)  1 and 3 
C)  1,2,and 4 
D)  2,3,and 4 
A)  2 and 3 
B)  1 and 3 
C)  1,2,and 4 
D)  2,3,and 4

Question 12

An agent that destroys pathogenic microorganisms on inanimate objects only is best described as a:

Accepted Answer

A)  virucide. 
B)  germicide. 
C)  bactericide. 
D)  disinfectant. 
A)  virucide. 
B)  germicide. 
C)  bactericide. 
D)  disinfectant.

Question 13

Which of the following is a commonly encountered gram-negative,facultative anaerobic bacillus bacteria?

Accepted Answer

A)  Escherichia coli 
B)  Clostridium tetani 
C)  Neisseria meningitidis 
D)  Haemophilus parainfluenzae 
A)  Escherichia coli 
B)  Clostridium tetani 
C)  Neisseria meningitidis 
D)  Haemophilus parainfluenzae

Question 14

The spread of diseases requires all of the following,except:

Accepted Answer

A)  pathogen source. 
B)  immunosuppression. 
C)  mode of transmission. 
D)  susceptible host. 
A)  pathogen source. 
B)  immunosuppression. 
C)  mode of transmission. 
D)  susceptible host.

Question 15

What is the route of transmission for hepatitis?

Accepted Answer

A)  Gut 
B)  Genitalia 
C)  Body fluids 
D)  Respiratory tract 
A)  Gut 
B)  Genitalia 
C)  Body fluids 
D)  Respiratory tract

Question 16

A 65-year-old male is intubated and placed on a mechanical ventilator after a motor vehicle accident.Thirty-six hours later he develops infiltrates on the chest radiograph.Which of the following actions may have been able to prevent this from occurring?
1)Elevation of the head of the bed 20 to 30 degrees
2)Aspiration of subglottic secretions
3)Changing ventilator circuit every 24 hours
4)Stress ulcer prophylaxis
5)Avoid the use of sedatives

Accepted Answer

A)  1 only 
B)  1,3,and 5 
C)  1,2,4,and 5 
D)  1,2,3,4,and 5 
A)  1 only 
B)  1,3,and 5 
C)  1,2,4,and 5 
D)  1,2,3,4,and 5

Question 17

You are visiting a country that has been plagued by heavy rains and flooding.The population is suffering from widespread disease.Which of the following is the most likely cause of the disease?

Accepted Answer

A)  Cholera 
B)  Influenza 
C)  Legionella 
D)  Salmonellosis 
A)  Cholera 
B)  Influenza 
C)  Legionella 
D)  Salmonellosis

Question 18

Droplet isolation precautions call for all of the following,except:

Accepted Answer

A)  face masks. 
B)  latex gloves. 
C)  protective eyewear. 
D)  special air-handling. 
A)  face masks. 
B)  latex gloves. 
C)  protective eyewear. 
D)  special air-handling.

Question 19

Which of the following is a bacterium?

Accepted Answer

A)  Herpes simplex 
B)  Pneumocystis carinii 
C)  Pseudomonas aeruginosa 
D)  Candida albicans 
A)  Herpes simplex 
B)  Pneumocystis carinii 
C)  Pseudomonas aeruginosa 
D)  Candida albicans

Question 20

The below figure represents which of the following bacteria?

Accepted Answer

A)  Bacillus 
B)  Diplococcus 
C)  Streptococcus 
D)  Staphylococcus 
A)  Bacillus 
B)  Diplococcus 
C)  Streptococcus 
D)  Staphylococcus

Which of the following is the type of organism that causes malaria and trypanosomiasis?

A sputum specimen is received in the microbiology laboratory.Gram staining and a microscopic examination reveal a paired,spherical,purple-stained organism.It can be reasonably assumed that this organism is which of the following?

Flash pasteurization exposes equipment to which of the following?

Which of the following are the two primary human barriers to infection in the health care setting?

Phenolic compounds are generally diluted to what concentration?

Which of the following figure represents a spirochete?

All of the following organisms can be transmitted via the respiratory tract,except:

Ventilator-associated pneumonia is commonly caused by which of the following?

To survive adverse conditions,such as excessive heat and dryness,bacteria might do which of the following?

Which of the following physical properties are required for an autoclave to sterilize biohazardous material? 1)Dry heat 2)A vacuum 3)100% humidity 4)Increased air pressure

An agent that destroys pathogenic microorganisms on inanimate objects only is best described as a:

Which of the following is a commonly encountered gram-negative,facultative anaerobic bacillus bacteria?

The spread of diseases requires all of the following,except:

What is the route of transmission for hepatitis?

You are visiting a country that has been plagued by heavy rains and flooding.The population is suffering from widespread disease.Which of the following is the most likely cause of the disease?

Droplet isolation precautions call for all of the following,except:

Which of the following is a bacterium?

The below figure represents which of the following bacteria?

Basic Physics for the Respiratory Therapist

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Assessment of Cardiovascular Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

Filters

Exam 2: Principles of Infection Control

Which of the following is the type of organism that causes malaria and trypanosomiasis?

A sputum specimen is received in the microbiology laboratory.Gram staining and a microscopic examination reveal a paired,spherical,purple-stained organism.It can be reasonably assumed that this organism is which of the following?

Flash pasteurization exposes equipment to which of the following?

Which of the following are the two primary human barriers to infection in the health care setting?

Phenolic compounds are generally diluted to what concentration?

Which of the following figure represents a spirochete?

All of the following organisms can be transmitted via the respiratory tract,except:

Ventilator-associated pneumonia is commonly caused by which of the following?

To survive adverse conditions,such as excessive heat and dryness,bacteria might do which of the following?

Which of the following physical properties are required for an autoclave to sterilize biohazardous material? 1)Dry heat 2)A vacuum 3)100% humidity 4)Increased air pressure

An agent that destroys pathogenic microorganisms on inanimate objects only is best described as a:

Which of the following is a commonly encountered gram-negative,facultative anaerobic bacillus bacteria?

The spread of diseases requires all of the following,except:

What is the route of transmission for hepatitis?

You are visiting a country that has been plagued by heavy rains and flooding.The population is suffering from widespread disease.Which of the following is the most likely cause of the disease?

Droplet isolation precautions call for all of the following,except:

Which of the following is a bacterium?

The below figure represents which of the following bacteria?

Basic Physics for the Respiratory Therapist

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Assessment of Cardiovascular Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

Filters