*70 POINTS*
Which of the following BEST explains why using more than one assessment of cardiorespiratory fitness gives a better picture of fitness level?
A. No individual cardiorespiratory fitness test is accurate.
B. Heart and lung fitness must be assessed separately.
C. Using more than one assessment provides a more complete picture of an individual's fitness level.
D. all of the above

40 points and think about the following questions and then write several paragraphs in response: when did the fight occur, and what was it about? who was at fault—you, the other person, or both of you? why do you think it ended poorly? in general, what would you have done differently? what could you have said differently that would have let the other person know you were listening? if you could take back something you said during the fight, what would it be? what do you wish you would have said during that fight? did the fight result in your not being friends or not getting along with that person anymore? would you want repair your relationship with this person again? if so, what are some possible ways to fix the damage?

What condition is most likely present when a normal p wave is negatively deflected?

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.