Assume that there are 335,104 new cases of gonorrhea reported among the U.S. population. When calculated, this would be 115.2 per 100,000 or approximately 1 reported case per 1,000 population. The value represents ________.
A. incidence rate
B. morbidity rate
C. mortality rate
D. prevalence rate
Answer: A
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Aspiration of peritoneal fluid using a needle and syringe is:
a. acceptable. b. not acceptable.
Select all of the following that represent examples of taxis.
_____ In the Northern Hemisphere, Aquaspirillum bacteria burrow towards the magnetic north pole (the geographical south pole). _____ Cyanobacteria filaments in an intertidal environment migrate upward if salinity falls below 15% and downward if it rises above 15%. _____ Mammalian spermatozoa are guided toward an oocyte by a temperature gradient between the cooler sperm storage site and the fertilization site. _____ Human body lice change direction more frequently as the temperature of their immediate environment increases.
The oldest cells in a mature leaf are found ____
a. at the base of the leaf b. near the very center of the leaf c. at the stomata d. at the leaf tip e. as files of cells at the widest point of the leaf
The reaction C6H12O6 + O2 ® CO2 + 6H2O is which type of chemical reaction?
A. hydrolysis B. transfer C. dehydration synthesis D. oxidation-reduction