________ is a condition in which the upper portion of the stomach protrudes into the chest cavity through an opening of the diaphragm called the esophageal hiatus

Each day the body loses ____ liter(s) of water through respiration, perspiration, and urination

a. 1.0 b. 1.5 c. 2.0 d. 2.5

Whitening strips are an alternative OTC product for whitening. To achieve the desired results, the strips are to be worn for ____ minutes a day

a. 10 b. 30 c. 15 d. 20