John, a younger teenager, notices that he is experiencing a lot of pimples and blackheads, which frequently become infected. What is causing this problem?
What will be an ideal response?
Because of hormonal changes, teenagers frequently have overactive sebaceous (oil) glands, which can clog and become infected or inflamed. Scratching, squeezing, or irritating the tissue can lead to infection.
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Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation except
A) redness of the inflamed tissue. B) chemotaxis of phagocytes. C) heat of the inflamed tissue. D) movement of defense proteins and cells into the interstitial space. E) swelling of the inflamed tissue.
Moving a part away from the midline is abduction
Indicate whether the statement is true or false
The pulse pressure is ________
A) systolic pressure plus diastolic pressure B) systolic pressure minus diastolic pressure C) systolic pressure divided by the diastolic pressure D) None of the listed responses is correct.
Basophils release ________, a vasodilator that increases blood flow to damaged tissues.
Fill in the blank(s) with the appropriate word(s).