A retrovirus implies that:
The genetic information is transmitted as RNA
A surface antigen is required for infiltration to occur
The viral RNA is integrated into the host cell
Result in cell destruction
The Correct Answer is C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is B
Explanation
A. The prodrome phase occurs before the onset of jaundice and includes nonspecific symptoms like fatigue and malaise, which the patient has already progressed beyond.
B. The icterus phase is characterized by jaundice, dark urine, clay-colored stools, and liver enlargement, all of which are present in this patient's symptoms.
C. The recovery phase follows the icterus phase and involves the resolution of symptoms and jaundice.
D. The incubation phase occurs before symptoms appear, and the patient is already exhibiting clear clinical manifestations.
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