Which of the following best describes sports protective equipment?
a. protective equipment is a key part of safe sports.

equipment should be used during games, but not practice.
b.

there's no "right" way to use protective equipment.
c.

you should use only protective equipment that is comfortable.
d.

Protective equipment is a key part of safe sports.

Protective equipment IS a key part of safe sports. Without it, you're exposed to easy injuries. Equipment should be used during games, and also practice. So, B is out of the picture. There is a right way to use protective equipment, so C is also out. The last option is a little in the middle. Yes, you should wear protective equipment that is comfortable, but sometimes that's not exactly the case. 

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.