Question

question 12 (1 point) saved signs of potassium deficiency include excessive thirst and urination. muscle weakness and confusion. shortness of breath and dizziness. twitching of muscles and convulsions. question 13 (1 point) saved historically, deficiency of niacin was sometimes misdiagnosed as alcoholism. mental illness. viral infection. iron deficiency anemia. question 14 (1 point) saved \hidden\ sources of sodium include softened water. saltine crackers. opaque salt shakers. raw fruits and vegetables.

Explanation:

• For Question 12: Potassium is crucial for muscle and nerve - cell function. Deficiency can lead to muscle weakness and confusion as the body's normal physiological processes are disrupted.
• For Question 13: Niacin deficiency, known as pellagra, has symptoms like dermatitis, diarrhea, and dementia which could be misinterpreted as mental illness.
• For Question 14: Softened water often contains sodium as part of the water - softening process, making it a "hidden" source of sodium.

Answer:

Question 12: muscle weakness and confusion.
Question 13: mental illness.
Question 14: softened water.