d. Arsenic is heavy metal and will not clear by boiling, so purchasing water is the best choice.

a. Water does not contain any energy and is calorie free.

b. The Mediterranean diet is high in complex carbohydrates (fruits, vegetables, beans, legumes, nuts, and seeds) as well as fish, seafood, and poultry and includes moderate amounts of dairy products.

a. The individual who is lactose intolerant should consume lactose-free dairy products.

d. Omega-3 fatty acids play a role in heart health and are found in salmon, eggs, soybeans, flaxseed, and canola oil.

d. The client who is well hydrated will have pale or light-colored urine.

c. Soy is the only complete protein listed. Oats, barley, and wheat are incomplete proteins and do not include all essential amino acids.

c. Pasta with a plain red sauce is the lowest-fat item on the list and contains less than 3 g of fat per serving.

a. During exercise, circulating glucose is the first source of energy used. When this energy source is depleted, glycogen stored in skeletal muscle is used, followed by fat.

b. The client with stage 3 chronic kidney disease should consume no more than 0.6 g/kg of body weight daily. Therefore, $0.6\text{g/kg}\times 75\text{kg}=45\text{g}$ of protein daily.