Which infection control measure, by the nurse, reduces the potential spread of methicillin-resistant Staphylococcus aureus (MRSA)?

Wearing an N95 mask while in the room of a patient with airborne precautions.

Wearing a facemask while in the room of a patient with droplet precautions.

Use of a separate disposable blood pressure cuff for any patient with a draining wound.

Use of strict hand washing measures once in every 8-hour work shift.

Answer and Explanation

The Correct Answer is C

Choice A rationale
Wearing an N95 mask is appropriate for airborne precautions, such as tuberculosis, but not specifically for MRSA, which requires contact precautions.

Choice B rationale
Wearing a facemask is suitable for droplet precautions, such as influenza, but MRSA is primarily spread through direct contact, not droplets.
Choice C rationale
Using a separate disposable blood pressure cuff for patients with draining wounds helps prevent the spread of MRSA. MRSA can be transmitted via contaminated medical equipment.
Choice D rationale
Strict hand washing measures are essential but should be performed more frequently than once every 8-hour shift. Hand hygiene should be practiced before and after patient contact.

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Correct Answer is A

Explanation

Choice A rationale
It takes about 14 days to develop antibodies and immunity to the disease after vaccine administration. This is why the patient is asked to return in 2 to 3 weeks for an antibody titer. The immune system needs time to respond to the vaccine and produce detectable levels of antibodies.
Choice B rationale
The laboratory running out of blood specimen tubes is not a valid reason for delaying the antibody titer. This choice does not provide an accurate explanation for the patient.
Choice C rationale
It takes about 14 days to develop antibodies, not antigens, and immunity to the disease after vaccine administration. This choice contains incorrect information about the immune response.
Choice D rationale
After receiving the vaccine, the patient is not likely to transmit the communicable disease to the laboratory. This choice does not provide a valid reason for delaying the antibody titer.

A. Absence of burning epigastric pain after eating. B. Two episodes of coffee-ground emesis. C. A decrease in the patient’s alcohol intake. D. Normalization of the patient’s hemoglobin levels.

Correct Answer is A

Explanation

Choice A rationale
The absence of burning epigastric pain after eating indicates that the treatment for peptic ulcer disease (PUD) secondary to H. pylori has been effective. This suggests that the ulcer has healed and the inflammation has subsided.
Choice B rationale
Coffee-ground emesis indicates the presence of blood in the vomit, which suggests ongoing bleeding and is not a sign of effective treatment for PUD.
Choice C rationale
A decrease in alcohol intake is beneficial for overall health but does not directly indicate the effectiveness of treatment for PUD secondary to H. pylori.
Choice D rationale
Normalization of hemoglobin levels is important but does not specifically indicate the effectiveness of treatment for PUD secondary to H. pylori. The primary indicator would be the resolution of symptoms such as burning epigastric pain.

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Which infection control measure, by the nurse, reduces the potential spread of methicillin-resistant Staphylococcus aureus (MRSA)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

After receiving a vaccination for a communicable disease, the patient was asked to return in 2 to 3 weeks to get an antibody titer and asks why blood testing can’t be done immediately.How should the RN (registered nurse) respond?

Correct Answer is A

Explanation

Which assessment data would indicate to the nurse that pharmacologic treatment with antibiotics and antacids has been effective for the patient diagnosed with peptic ulcer disease (PUD) secondary to H. pylori?

Correct Answer is A

Explanation

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