Small hairlike projections in the respiratory tract that filter out unwanted particles are called
A) capillaries. B) cilia. C) alveoli. D) mucus.
B
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Alloantibodies to blood-vessel endothelium on solid organ grafts _____
a. are specific for HLA class I and class II antigens b. cause hyperacute rejection c. cause acute rejection d. target endothelium for attack by NK cells e. are IgA and do not fix complement.
Hans Selye defined stress as a(n) ____ response.
A. detrimental B. nonspecific C. physical D. mental E. emotional
The combining form arthr/o- means ________
A) "artery" B) "abdomen" C) "bone" D) "joint"
Marcus Tullius Cicero (106-43 B.C.)
A. became a social critic of Roman sports, which he believed were emblematic of the larger social and political problems of Rome. B. was a great Roman orator and philosopher. C. was very concerned with ethics and how man can attain the highest moral virtue. D. was banished from Rome for his criticism of Julius Caesar, Pompey, and Crassus. E. All of the answers are correct.