The patient inquires about how his body will kill pathogens unassisted by antibiotics.
The nurse responds that a process called phagocytosis will:
Stimulate the production of interferons.
Engulf and destroy the pathogen.
Create antibodies against the pathogen.
Stimulate the body to make more white blood cells.
The Correct Answer is B
Choice A rationale
Interferons are proteins produced by cells in response to viral infections and are part of the body's immune response, but they are not directly involved in the engulfing of pathogens.
Choice B rationale
Phagocytosis is the process by which certain cells, such as macrophages and neutrophils, engulf and destroy pathogens. This is a crucial mechanism of the innate immune system.
Choice C rationale
Creating antibodies is the function of B cells in the adaptive immune system, which works alongside phagocytosis but is not the same process.
Choice D rationale
Phagocytosis itself does not stimulate the body to make more white blood cells, but it is a function performed by existing white blood cells to eliminate pathogens.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Gloves are often the most contaminated piece of PPE. They should be removed first to prevent contamination of other PPE or areas.
Choice B rationale
The gown should be removed after gloves because it covers the largest surface area and could spread contaminants if removed earlier.
Choice C rationale
Eyewear should be removed before the mask to avoid potential contamination from airborne particles that could remain on the mask.
Choice D rationale
The mask is typically removed last to prevent inhalation of any contaminants that might still be in the air during the removal process.
Correct Answer is D
Explanation
Choice A rationale
Throwing the needle and syringe immediately into a garbage can, even if covered and lined, does not ensure proper disposal of biohazard materials. This practice increases the risk of contamination and injury.
Choice B rationale
Recapping the needle and placing it on the patient's table until leaving the room increases the risk of needle stick injuries and improper disposal, which is unsafe and against best practices for needle safety.
Choice C rationale
Breaking the needle from the syringe using the needle cover to prevent reuse does not eliminate the risk of needle stick injuries and may lead to improper disposal and handling of biohazard materials.
Choice D rationale
Never recapping the needle afterward is the safest practice to avoid the risk of needle stick injuries, as recapping is a common cause of such injuries. Proper disposal in a sharps container immediately after use is the recommended method.
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