These cells ingest pathogens and cellular debris:
Neutrophils.
Phagocytes.
Basophils.
Macrophages.
The Correct Answer is D
Choice A rationale:
Neutrophils are a type of white blood cell that can ingest pathogens, but they are not the primary cells responsible for this task.
Choice B rationale:
Phagocytes is a general term for cells that can ingest pathogens and cellular debris. Macrophages and neutrophils are types of phagocytes.
Choice C rationale:
Basophils are a type of white blood cell, but their primary role is not to ingest pathogens. They are involved in allergic reactions and inflammation.
Choice D rationale:
Macrophages are the primary cells that ingest pathogens and cellular debris. They are a type of phagocyte.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
While the nasopharynx does play a role in warming and moistening inspired air, this is not its primary function.
Choice B rationale:
The nasopharynx does not primarily filter dust. This function is mainly performed by the nasal cavity and the hairs within the nostrils.
Choice C rationale:
The nasopharynx provides openings for the right and left Eustachian tubes. These tubes connect the middle ear to the nasopharynx and help equalize air pressure on either side of the eardrum.
Choice D rationale:
The nasopharynx does not contain olfactory receptors responsible for the sense of smell. These receptors are located in the nasal cavity.
Correct Answer is B
Explanation
Choice A rationale:
Vasodilation increases the diameter of blood vessels, which decreases resistance and thus decreases pressure. However, the increased diameter allows for increased blood flow, not decreased.
Choice B rationale:
Vasodilation decreases pressure due to the increased diameter of the blood vessels, and it increases flow because of the reduced resistance to blood flow.
Choice C rationale:
Vasodilation does not increase pressure; it decreases it.
Choice D rationale:
While vasodilation decreases pressure, it does not decrease flow; it increases it.
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