Deficiency of surfactant is seen in diseases like respiratory distress syndrome, chronic lung diseases, interstitial lung diseases etc. A combination of surfactant (natural or synthetic) and hormones or other pharmacological agents associated with surfactant homeostasis are useful in treating these diseases.
PayPal balance: If someone sent you money through PayPal or youâve sold something on eBay, you have a balance in your PayPal account. This balance is first applied to any purchases youâve made. Then, when your account has no balance, you can choose to pay by credit card.
It depends on how you pay. If you have money in your paypal account then it will happen immediately. If you have to pull money from your bank account (by e-check) then they say it will take 3-5 days, but it usually only takes 2 for me. Hope that helps! Source(s): ebay seller/buyer...use paypal a lot