Transmission-based precautions a. is another term for standard precautions. b. are used when a patient is suspected of/or diagnosed with a highly contagious disease. c. are precautions used only in the inpatient setting. d. are precautions that only the physicians need to follow.

The answer is B are used when a patient is suspected of or diagnosed with a highly contagious disease

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)