Questions: Question 4 2 pts Which is the primary cause for swelling in inflammation? increased capillary permeability platelet plug formation activation of nociceptors vasoconstriction

Question 4 2 pts Which is the primary cause for swelling in inflammation? increased capillary permeability platelet plug formation activation of nociceptors vasoconstriction
Transcript text: Question 4 2 pts Which is the primary cause for swelling in inflammation? increased capillary permeability platelet plug formation activation of nociceptors vasoconstriction
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Solution

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The answer is the first one: increased capillary permeability.

Explanation for each option:

  1. Increased capillary permeability: This is the correct answer. During inflammation, the blood vessels become more permeable, allowing fluids, proteins, and white blood cells to move from the bloodstream into the tissues. This leads to the accumulation of fluid in the tissue, causing swelling, also known as edema.

  2. Platelet plug formation: This is incorrect. Platelet plug formation is a part of the hemostatic process to stop bleeding and is not directly related to the swelling seen in inflammation.

  3. Activation of nociceptors: This is incorrect. Nociceptors are pain receptors, and their activation is related to the sensation of pain rather than swelling.

  4. Vasoconstriction: This is incorrect. Vasoconstriction refers to the narrowing of blood vessels, which would reduce blood flow and is not associated with the swelling seen in inflammation. In fact, inflammation is typically associated with vasodilation, which increases blood flow to the affected area.

In summary, the primary cause of swelling in inflammation is increased capillary permeability.

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