Which of the following can release histamines?
a. Invading bacterial cells
b. Cells from damaged tissues
c. Wood from a splinter
d. Cells from damaged tissues and the complement pathway
e. The complement system
Answer: d. Cells from damaged tissues and the complement pathway
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What is the fundamental unit of all substances?
a. Atom b. Cell c. Organ d. Tissue e. Community
Which of the following antimicrobic tests determine the concentration of antimicrobic that is appropriate?
A) Kirby Bauer test and Tube dilution test B) Tube dilution test and E-test C) E-test and Kirby Bauer test D) Kirby Bauer test, Tube dilution test and E-test
The common name for "cat" in Spanish is "gato" and in Chinese is "mao." Which of the following statements pertaining to the use of scientific names instead of common names is FALSE?
(a). Common names may include different sets of organisms. (b). Scientific names can be known and recognized by all scientists throughout the world. (c). To recognize an organism in the literature by its common name, a scientist would have to know multiple languages. (d). The scientific name begins to tie the organism into related groups. (e). The common name clearly identifies an organism as unique.
During the cardiac cycle, which of the
following is the correct order of events?
a. atria contract, atria and ventricles relax, ventricles contract b. ventricles contract, atria contract, atria and ventricles relax c. atria and ventricles relax, atria contract, ventricles contract d. ventricles contract, atria and ventricles relax, atria contract e. none of these