Which Would Be the Signature That a Human Virus Was

question 5

Multiple Choice

Which would be the signature that a human virus was acquired from a single animal source?

• A) All human viruses would form a single clade.
• B) Human viruses would evolve according to the molecular clock.
• C) Human viruses would be found in multiple places in the phylogenetic tree, interspersed with viruses from other animals.
• D) Human viruses would be found at the root of the tree.
• E) Phylogenetic analysis cannot be used to make inferences about the origins of human viruses.

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Definitions:

Symptom-Based Subtypes

Classification of disorders or conditions based on the specific symptoms presented rather than the underlying causes.

Reliability

The extent to which an assessment tool or measurement procedure yields consistent and stable results over time.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.

Positive Symptoms

In the context of psychiatric conditions, refers to symptoms that add abnormal experiences, such as hallucinations or delusions, particularly in schizophrenia.