Which food is best source of calcium to include in your diet

The main calcium contenders are milk, yogurt, and cheese, but dairy shouldn't be the only dietary pit stop to fill up on this nutrient. Leafy greens, seafood, legumes, and fruit also contain calcium and many foods and drinks are fortified 

Skim or whole milk ,Fruit yogurt ,Swiss cheese ,and  Canned sardines

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.