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 C
Explanation
A. Retroviruses do indeed have RNA as their genetic material, but the key characteristic that defines them is their ability to reverse transcribe RNA into DNA.
B. While surface antigens play a role in viral entry, this does not specifically define a retrovirus.
C. Retroviruses, such as HIV, integrate their RNA into the host cell's DNA, which is a defining feature of this virus type and crucial for its replication cycle.
D. While retroviruses can lead to cell destruction over time, this is not a defining characteristic; many viruses can cause cell damage.
Correct Answer is D
Explanation
A. Cancer is not a common cause of acute pancreatitis; it may cause chronic pancreatitis or complications in later stages.
B. While cystic fibrosis can lead to pancreatic damage, it is not the most prevalent cause of acute pancreatitis.
C. Autoimmunity can contribute to pancreatic conditions but is not the leading cause of acute pancreatitis.
D. Excess alcohol intake is a well-established and the most common cause of acute pancreatitis due to its toxic effects on pancreatic cells.
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