Which might you do if you have good self-esteem? a. learn from your mistakes. b. reject constructive feedback. c. focus on your weaknesses rather than your strengths. d. none of the above.

If you had good self-esteem than most likely you'll do A. Why? 

self-es·teemnounconfidence in one's own worth or abilities; self-respect.

If you had good self-esteem you wouldn't ignore someone trying to improve it some more. You wouldn't focus on your weaknesses either because then a deep dark part of you will say that your weaker than you are stronger.

Why A?
I think that if you had good self-esteem you would learn from your mistake and know not to repeat your mistake and from there you will try to improve yourself and once you do you'll feel "confident in your abilities".

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.