Diphenhydramine is a commonly-used antihistamine drug. Since it is a basic drug, it is usually administered as the hydrochloride salt (Figure 6.) Thus, in various portions of your digestive tract, the drug may be present either as the free base (B) or the protonated form (BH+), depending on the pH. (Figure 4)
An independent contractor contracts with an employer to do a particular piece of work. This working relationship is a flexible one that provides benefits to both the worker and the employer. However, there are drawbacks to the relationship as well.
A surety bond is a three-party. agreement assuring the project. owner (obligee) that the contractor (prin-. cipal) will perform a contract in accor-. dance with the contract documents. When a contractor requires its subcon-. tractors to obtain bonds, the contractor is. the obligee and the subcontractor is the.