Q: One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose? Choices: - radionuclides - quarks - membranes - radioisotopes A:
radioisotopes

Q: The esophagus runs a mainly straight route through the mediastinum of what? Choices: - liver - lungs - stomach - thorax A:
thorax

Q: Q: Some mutations lead to new versions of proteins that help organisms adapt to changes in their environment and are essential for evolution to occur. what are these mutations known as? Choices: - superficial mutations - evolutionary mutations - provisional mutations - beneficial mutations A:
A: beneficial mutations

Question: Q: The value that occurs most often in a data set is called the? Choices: - median - mean - type - mode A:
Answer: mode

*Question*
Q: All chemical reactions require what to get started? Choices: - conductivity energy - spiked energy - primary energy - activation energy A:
**Answer**
activation energy

*Question*
Q: After fluid collects in nephron tubules in the kidney, where does it move to? Choices: - the uterus - the prostate - the spleen - the bladder A:
**Answer**
the bladder