When the overgrowth of infectious agents is combined with decreased blood flow, what happens?
Apoptosis
Necrosis
Cellular adaptation
Cellular damage
The Correct Answer is B
A. Apoptosis refers to programmed cell death, which is a controlled process rather than a direct consequence of infection and blood flow issues.
B. Necrosis occurs when there is unregulated cell death due to injury or lack of blood flow, often resulting from infection or inflammation leading to tissue damage.
C. Cellular adaptation refers to changes that occur in cells in response to stress or injury but does not encompass the direct consequences of infection and impaired blood flow.
D. Cellular damage can occur as a result of necrosis or other processes, but in the context of infection and blood flow issues, necrosis is the more definitive outcome.
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Related Questions
Correct Answer is B
Explanation
A. The pannus is a pathological feature that forms over the synovial membrane, but tissue destruction primarily begins in the synovial membrane itself.
B. The synovial membrane becomes inflamed and thickened in rheumatoid arthritis, leading to destruction of the surrounding joint structures, making it the primary site of tissue damage.
C. While articular cartilage is affected, it is a secondary effect of the inflammatory processes originating in the synovial membrane.
D. Ligaments and tendons can be affected in RA but are not the primary sites of destruction.
Correct Answer is A
Explanation
A. Hypertrophy refers to the increase in the size of cells, leading to an increase in the size of the organ or tissue, which is evident during pregnancy as the uterus enlarges.
B. Atrophy involves a decrease in cell size, leading to a reduction in tissue mass, which is not applicable to pregnancy.
C. Metaplasia is a process where one differentiated cell type is replaced by another, typically in response to chronic irritation or inflammation, not seen in normal pregnancy.
D. Dysplasia refers to abnormal development of cells, which is not a characteristic of a normal physiological process like pregnancy.
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