What structures come together to form a joint?

Which joint? head of the femur bone & acetabulum of hip bone= hip joint. Medial and Lateral Condyle of the Femur + Tibia =tibiofemoral joint. Patellar Ligament of Femur + patella=patellofemoral joint.

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.