The Interaction Between Natural Killer (NK)cells and Macrophages Amplifies the Innate

question 60

Multiple Choice

The interaction between natural killer (NK) cells and macrophages amplifies the innate immune response.Rearrange the following into the order of events during this amplification.Which is the first event?

• A)Macrophage production of cytokines TNF and IL-12 increases
• B)Increased production of IL-2 by NK cells
• C)NK cells produce gamma interferon (IFN-?)
• D)Proliferation of NK cells

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Definitions:

Palatine Processes

These are horizontal extensions of the maxillary bones that form the anterior three-quarters of the hard palate.

Maxilla

The paired upper jawbones that form the foundations of the middle face, supporting the upper teeth and playing key roles in breathing, eating, and speaking.

Cleft Lip

A congenital facial defect that occurs when the upper lip does not form completely, leading to a gap or split.

Mandible

The lower jaw or jawbone, the largest and strongest bone of the face, which holds the lower teeth in place and moves during chewing.