What are phagocytic cells?
Cells that release histamine during the inflammatory response
Cells that eat pathogens and destroy them
Cells in the immune system with four-part receptors shaped like a Y
Cells in the immune system with two chains
The Correct Answer is B
A. Cells that release histamine during the inflammatory response. Cells that release histamine during inflammation are mast cells, not phagocytic cells.
B. Cells that eat pathogens and destroy them. Phagocytic cells, such as macrophages and neutrophils, engulf and digest pathogens in a process called phagocytosis.
C. Cells in the immune system with four-part receptors shaped like a Y. Cells with Y-shaped receptors are B cells, which produce antibodies, not phagocytes.
D. Cells in the immune system with two chains. T cells have two-part receptors but are not classified as phagocytes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D"]
Explanation
A. Abdominal pain: Ulcerative colitis is characterized by inflammation of the colon, leading to cramping and abdominal pain.
B. Hepatorenal syndrome: This is a severe kidney failure condition secondary to liver disease, not a sign of ulcerative colitis.
C. Vomiting: Vomiting is not a classic sign of ulcerative colitis but may occur in severe cases or complications.
D. Chronic diarrhea: This is a hallmark symptom of ulcerative colitis, often bloody, due to the inflammation and ulceration of the colon.
E. Rectal pain: While rectal discomfort can occur, it is not a primary symptom of ulcerative colitis compared to abdominal pain and diarrhea.
F. Protein malnutrition: This can be a complication in severe ulcerative colitis but is not a primary sign.
Correct Answer is C
Explanation
A. Atherosclerosis: A condition characterized by the buildup of plaque in the arteries, not local dilation of the vessel.
B. Thrombophlebitis: Involves inflammation and clot formation in veins, not dilation of vessels.
C. Aneurysm: This is the correct answer, as it refers to the local dilation of a blood vessel with weakening of its walls, which can lead to rupture if untreated.
D. Varicose vein: Refers to enlarged, twisted veins, often in the legs, but not the same as an aneurysm which involves arterial walls.
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