The Figure Shows the Evolution of HIV and SIV

question 47

Multiple Choice

The figure shows the evolution of HIV and SIV.Choose the true statements about the evolution of HIV (Select all that apply) .

• A)All strains of HIV are included within clades with SIV strains.
• B)A strain of HIV is never more closely related to another strain of HIV than it is to a SIV strain.
• C)Humans acquired different subtypes of HIV from different primate hosts.
• D)HIV-1 group O is more closely related to SIV-chimpanzee than SIV-gorilla.
• E)All strains of SIV are included within clades with HIV strains.

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Definitions:

Lumbar Puncture

A medical procedure involving the insertion of a needle into the lower part of the spinal column to collect cerebrospinal fluid for diagnostic purposes.

Fluid Aspiration

The removal of fluids from a body cavity, tissue, or organ by suction or syringe for diagnostic or therapeutic purposes.

Needle Insertion

The technique of placing a needle, often for medical procedures like injections or blood drawing, into a part of the body.

Lumbar Puncture

A medical procedure involving the insertion of a needle into the lower part of the spinal column to collect cerebrospinal fluid for diagnostic testing or to administer medication.