Adjusting the microscope for what method of illumination will ensure that the specimen is uniformly lit with high resolution of detail?

How long do most legal consultants advise physicians to keep patient records to protect themselves against malpractice suits? 

A. 2 years B. 5 years C. at least 7 years D. indefinitely

Each lobule of the testes is filled with ____, which are filled with the spermatogenic cells that give rise to sperm cells. 

A. vas deferens B. seminal vesicles C. seminiferous tubules D. bulbourethral glands