The skin and mucous membranes can be considered as a ________, a part of innate immunity.
A. chemical mediator
B. cellular mechanism
C. mechanical barrier
D. None of these choices are correct.
Answer: C
You might also like to view...
If a small blood clot passes through the heart and heart vessels, where is it most likely to cause damage if it becomes immobilized?
A) the aorta B) the left ventricle C) the right atrial chamber D) the left coronary artery E) Severe damage could occur if a small blood clot became immobilized at any of these positions.
It may be helpful to color code a multiple doctor appointment schedule
Indicate whether the statement is true or false
Which of the following are lymphoid tissues?
a. lymph nodes b. spleen c. bone marrow d. tonsils e. All of the above
Trypsin can activate
A. chymotrypsinogen. B. angiotensinogen. C. lipase. D. endopeptidase. E. pepsinogen.