When microorganisms invade tissues, leukocytes release chemicals that ______, producing swelling that delays the spread of pathogens to other areas of the body. Multiple choice question.dilate small blood vessels make large blood vessels less permeablemake small blood vessels more permeableconstrict small blood vessels

Fill in the Blank QuestionFill in the blank question.Biochemicals released by leukocytes cause an increase in permeability of small blood vessels at sites where  microorganisms have invaded human tissues. This results in swelling, an accumulation of fluid in the interstitial spaces, and is called a(n) response.

Select all that applyWhat are functions of the endothelium lining a blood vessel?Multiple select question.constricts or dilates to control blood flowprovides a smooth surface for blood flowprevents inappropriate blood clottingsecretes substances that stimulate vessel dilation or constrictionprovides blood vessel elasticity

How does the body respond when a person has an infection? Question 24 options: It increases the amount of water in the blood It increases the number of erythrocytes It increases the number of platelets It increases the number of leukocytes

Select all that applyWhich events occur during inflammation?Multiple select question.Swelling occurs.Blood vessels constrict.Blood flow to the site decreases.Capillary permeability increases.

Fill in the Blank QuestionFill in the blank question.As bacteria, leukocytes, and damaged cells accumulate in inflamed tissue, a thick fluid called may form and remain while the invading microorganisms are active.