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.
Instructions. Use your PayPal account to make online purchases. Most websites that sell items online accept PayPal as a form of payment. This is a great option if you use the money that you make online to make purchases on the Internet.