Smoke is driven by the ____________, which is created by differences between the internal and external temperature of the building

Which of the following BEST defines a "positive bone scan"?

A. The oxygen and carbon dioxide content of the blood as measured in diagnostic laboratory tests B. A percutaneous surgical procedure that utilizes fluoroscopic radiologic guidance and is used to repair collapsed or fractured vertebrae C. A specific kind of diagnostic test that utilizes X-rays to measure the calcium content in the bone, often in the lumbar region of the back D. Diagnostic test requiring a small amount of blood to determine the components within the patient's blood

By the early 1900s, all states had passed medical malpractice acts because of the prevalence of quackery

Indicate whether the statement is true or false