What Would Be the Expected Response to a Skin Injury

question 15

Multiple Choice

What would be the expected response to a skin injury if the involved tissue had lost the normal cell characteristic of contact inhibition?

• A)Failure of the wound to close
• B)Excessive growth of replacement tissue
• C)Replacement with scar tissue rather than skin
• D)Displacement of skin cells into other body tissues

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Definitions:

Dendritic Spine

Protrusion that greatly increases the dendrite’s surface area; typical point of dendritic contact with the axons of other cells.

Postsynaptic Membrane

A specialized area of a neuron's cell membrane that receives neurotransmitters from another neuron at a synapse.

Electrical Synapses

Rapid, bidirectional connections between neurons mediated through gap junctions, allowing direct transmission of electrical signals.

Ion Channels

Proteins that form pores in cell membranes, allowing the selective passage of ions across the membrane and influencing the cell's electrical charge and signaling.