What is the primary focus of systematics in biological research?

A 21-year-old is diagnosed with ankylosing spondylitis (AS). The most likely joint to be affected would be the: 

Which type of scoliosis accounts for the majority of the cases of scoliosis? 

A 34-year-old female was recently diagnosed with rheumatoid arthritis (RA). Physical examination revealed that inflammation is noted in various: 

A 30-year-old male with HIV is diagnosed with Epstein-Barr Virus. After 2 months, the virus is still active. Based upon the Epstein-Barr virus, which of the following cancers is most likely to develop in this patient?

Mass and weight are the same thing and can be used interchangeably in scientific measurements.

Which of the following are ways an athletic trainer can reduce the risk of litigation?

[BLANK-1] liability is the liability of any or all parties along the manufacturing chain of any product for damage caused by that product. 

The oxidation number of Ni in K2[Ni(CN)4] is

You performed a titration between an acid with an unknown concentration and a base with a known concentration.  The independent variable in this titration will be