Genetic counseling centers often deal with the genetic disease called ____

Which of the following is NOT a hazard associated with oxygen use?

A) Oxygen supports combustion and causes fire to burn more rapidly. B) Breathing high concentrations of oxygen can quickly cause damage to the alveoli. C) Oxygen and oils mixed together can cause an explosion. D) The oxygen tank is under pressure and can become a missile should the valve break off.

A small version of a proposed study is called a ________

A) Case study B) Pilot study C) Controlled study D) Pivotal study E) Both A and C