Explain the cellular tropism of HIV, discussing the difference between macrophage-tropic and lymphocyte-tropic HIV
What will be an ideal response?
The cell tropism of HIV depends on which co-receptor is used for entry. Macrophage-tropic HIV, associated with early infection, uses the CCR5 co-receptor. Lymphocyte-tropic HIV, associated with a phenotypic change in late infection in about 50% of cases, uses CXCR4.
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The combining form that means ability is ________
Fill in the blank(s) with correct word
Distance visual acuity can be assessed using either the Tumbling E or the ________ eye chart that has different sizes of alphabet letters
Fill in the blank(s) with correct word
The bite of the black widow spider is especially serious because the bite does not heal and requires surgical repair
Indicate whether the statement is true or false.
List the three types of fractures that can occur to the teeth, and discuss the symptoms and signs of each.
What will be an ideal response?