PATHOLOGY MCQ
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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constriction of blood vessels
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phagocytes and neutrophils produce cytokines that signal the brain to produce a fever
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increase in permeability of blood vessels
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pain
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Detailed explanation-1: -Vasoconstriction is the opposite of vasodilation. While vasodilation is the widening of your blood vessels, vasoconstriction is the narrowing of blood vessels. It’s due to a contraction of muscles in the blood vessels. When vasoconstriction occurs, the blood flow to some of your body’s tissues becomes restricted.
Detailed explanation-2: -Based on visual observation, the ancients characterised inflammation by five cardinal signs, namely redness (rubor), swelling (tumour), heat (calor; only applicable to the body’ extremities), pain (dolor) and loss of function (functio laesa).
Detailed explanation-3: -The four cardinal signs of inflammation are redness (Latin rubor), heat (calor), swelling (tumor), and pain (dolor).
Detailed explanation-4: -Redness. Heat. Swelling. Pain. Loss of function. 23-Nov-2010