RSPT 1201 Chapter 4 Homework

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Which of the following organisms have been associated with health care-associated infections in patients using a poorly disinfected bronchoscope? 1. M. tuberculosis 2. Pseudomonas aeruginosa 3. Klebsiella 4. SARS

1 and 3 only

Which of the following statements are true regarding the use of disposable respiratory care equipment? 1. Recent research supports their use as a cost-effective measure. 2. Many quality issues exist. 3. Reusing the equipment is often done.

1, 2, and 3

What is included in a Prevention Bundle? 1. The use of multiple evidence-based best practices to prevent device-related infection. 2. Recent research supports the use of cost-effective measurements. 3. An ongoing process of monitoring patients and personnel for the acquisition of infection in the health care setting. 4. Using prophylactic antibiotic therapy on all hospitalized patients.

1, 2, and 3 only

Which of the following diseases are transmitted primarily by airborne transmission? 1. Tuberculosis 2. Measles 3. Smallpox 4. Viral hemorrhagic fever

1, 2, and 3 only

Which of the following host factors increase the risk patients for developing a health care-associated infection? 1. Extremes of age 2. Poorly controlled diabetes mellitus 3. HIV infection 4. Sex

1, 2, and 3 only

Which of the following are categories under Expanded Precautions?1. Contact Precautions 2. Droplet Precautions 3. Standard Precautions 4. Airborne Infection Isolation

1, 2, and 4 only

Which of the following statements are true regarding the use of ETO for sterilization? 1. It is harmless to rubber and plastics. 2. It will penetrate prewrapping. 3. Acute exposure is of little consequence. 4. It is useful for equipment that cannot be autoclaved.

1, 2, and 4 only

Which of the following statements are true regarding the use of soaps to clean equipment? 1. Soaps act by lowering the surface tension. 2. Soaps work poorly in hard water. 3. Soaps have good bactericidal activity. 4. Soaps can help remove organic material.

1, 2, and 4 only

Which of the following organisms are destroyed by a disinfection agent? 1. Gram-negative cocci 2. Bacterial spores 3. Gram-positive rods 4. Viruses

1, 3, and 4 only

What is the minimum recommended time for handwashing in the health care environment?

15 sec

Handwashing with soap and water should last at least:

15 seconds

Which of the following statements is true regarding the transport of infected patients? 1. Infected patients should not be transported. 2. Patient should wear proper barrier protection. 3. The transport of the patient should take place in the overnight hours. 4. During the transport of a patient on respiratory precautions a filter is placed on the expiratory side of the manual resuscitator device.

2 and 4 only

Which of the following elements must be present for transmission of an infection to occur within a health care setting? 1. A warm environment 2. A reservoir of pathogens 3. A susceptible host 4. A route of transmission

2, 3, and 4 only

You are taking care of a patient diagnosed with Mycobacterium tuberculosis. What protective equipment should you were? 1. Sterile gloves 2. Eye protection 3. N-95 mask 4. Gown

2, 3, and 4 only

Approximately what percent of hospitalized patients develop a health care-associated infection?

4%

If you are caring for a patient who is suspected of having SARS, at what distance from the patient is it recommended to wear an effective filtration mask?

6 ft

Which of the following statements are true regarding the use of glutaraldehyde (³2.0%)? 1. It is one of the least expensive chemical used as a high-level disinfectant or chemical sterilant. 2. It can retain activity up to 90 days once activated. 3. It is a respiratory irritant. 4. It can cause significant tissue inflammation in workers who use it.

C.1, 3, and 4 only

What is the first step in equipment processing for reuse on another patient?

Cleaning the equipment

Which of the following diseases is transmitted through direct contact?

HIV

What techniques are used by most hospitals to maintain a healthy workforce?

Having pneumonia patients wear N95 mask

What vaccination does OSHA require hospital employers to provide?

Hepatitis B

Which of the following is considered the primary source of infection in the health care setting?

Humans

What is the most common route of pathogen transmission in the hospital setting?

Indirect contact transmission

Which of the following diseases travels through droplet mode?

Influenza

Which of the following is the most common source of patient infections?

Large volume nebulizers

Small volume nebulizers produce bacterial aerosols that have been commonly associated with which of the following diseases?

Nosocomial pneumonia

How do endotracheal tubes increase the risk of infection?

Providing surfaces for biofilms to develop

What solution should be used to remove spores from the hands after treating a patient infected with C. difficile?

Soap and water

Which of the following is the simplest level of infection control based on the recognition that all blood, body fluids, secretions, and excretions may contain transmissible infections agents?

Standard Precautions

How should reusable metal laryngoscope blades be cleaned?

Steam sterilization

Which of the following are considered the five key recommended components of an infection prevention program?

Surveillance, investigation, prevention, control, and reporting

How often should ventilator circuits be changed for infection control purposes?

They should not be changed.

Which of the following is an example of indirect contact transmission involving fomites?

Use of a dirty laryngoscope blade on another patient

The unit residence asked you to reduce the risk of contamination caused by condensation in the circuit of a mechanically ventilated patient. Which of the following would help to reduce or eliminate condensation in this patient's circuit?

Using a heat and moisture exchange (HME)

What is the purpose of an inspiratory HEPA filter in a ventilator circuit?

When placed between the ventilator and the circuit, it can eliminate bacteria.


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