Blood plasma contains water mixed with proteins. Therefore, it is considered a
A. colloid.
B. suspension.
C. solution.
Answer: A. colloid.
You might also like to view...
Which of the following is(are) false regarding
B cells with antigen-MHC complexes? a. They are stimulated by helper T cells to secrete cytokines. b. Helper T cells signal them to divide and differentiate. c. On signals from the helper T cells, they produce clones with identical receptors. d. Once activated by signals from helper T cells, they produce IgG, IgA, or IgE immunoglobulins instead of membranebound IgM. e. All of these are true.
Antibodies are
a. proteins. b. steroids. c. polysaccharides. d. lipoproteins. e. any of these.
If too little carbon dioxide is moving out of the lungs, ____
a. the blood pH will rise b. oxygen levels will rise c. bronchioles will relax d. blood vessels will relax e. respiratory activity will decrease
Astroviruses are common causes of gastroenteritis.
Answer the following statement true (T) or false (F)