*Question*
Q: The earliest stages of spermatogenesis occur closest to the lumen of the what? Choices: - interstitial tubules - viviparous tubules - epithelium tubules - seminiferous tubules A:
**Answer**
seminiferous tubules

*Question*
Q: Do metals tend to gain electrons or lose electrons in chemical reactions? Choices: - develop electrons - same number of electrons - gain electrons - lose electrons A:
**Answer**
lose electrons

*Question*
Q: The joint that lies between the radius and the ulna is what kind of joint? Choices: - hinge joint - socket joint - shaft joint - pivot joint A:
**Answer**
pivot joint

*Question*
Q: What scale measures acidity? Choices: - frequency scale - richter scale - salinity scale - ph scale A:
**Answer**
ph scale