People with disease must monitor their potassium intake very carefully due to an inability to excrete excess potassium effectively.

The answer to this question is "Kidney Disease". People with a kidney disease must monitor their potassium intake very carefully due to an inability to excrete excess potassium effectively. People with kidney disease must monitor their potassium for this may result in at hyperkalemia and then eventually results to heart attack or death.

Ithink its part b hope that

Keep your breathing calm and try to ignore it