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Respiratory - Ensure Infection Control questions with answers.
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Respiratory - Ensure Infection Controlquestions with answers.
Which of the following statements about a patient with latent tuberculosis (TB) infection are true?
1. The patient can spread TB to others.
2. The patient has a normal chest radiograph and negative sputum test.
3. The patient has a positive TB skin test.
4. The patient requires immediate surgical intervention.
A. 1 and 4 only
B. 2 and 3 only
C. 3 and 4 only
D. 1, 2, and 4 only ANS -B. 2 and 3 only
Latent infection indicates that the patient has a positive skin or blood test, which indicates TB infection,
but the chest radiograph and sputum are negative. The patient does not feel effects of the disease
process and cannot, at this time, spread infection to others.
A patient with a confirmed diagnosis of HIV is admitted to the hospital following severe bronchospasm.
The physician orders aerosol bronchodilator therapy via a small volume nebulizer. What type of
precaution should the therapist take while administering the treatment?
A. droplet precautions
B. airborne precautions
C. standard precautions
D. contact precautions ANS -C. standard precautions
, Standard precautions should be followed for any patient who is potentially infected. Treating a patient
who is HIV positive does not require added precautions from contact, airborne, or droplet transmission
during a routine aerosol treatment.
Which of the following would most likely be involved in transmission of infection?
A. small-volume nebulizers
B. heated plate humidifiers
C. large-volume nebulizers
D. wick humidifiers ANS -C. large-volume nebulizers
Large-volume nebulizers are a frequent source of infection because, unlike humidifiers, they produce
particles that can carry and spread microbes. Once contaminated, large-volume nebulizers can contain a
large enough number of microbes to cause infection after 24 hours.
In order to prevent bacterial colonization of the heat-moisture exchanger (HME), the respiratory
therapist should change the HME
1. according to manufacturer's recommendations.
2. every 48 to 72 hours.
3. when contamination is visible.
4. in cases of mechanical malfunction.
A. 1 and 3 only
B. 1, 3, and 4 only
C. 2, 3, and 4 only
D. 2 and 4 only ANS -B. 1, 3, and 4 only
Current guidelines indicate that HME humidifiers do not need to be changed routinely for purposes of
infection control. HME humidifier replacement should be guided by clinical parameters, including visible
contamination and mechanical malfunction, and manufacturer's recommendations.
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