An abnormal concentration of this substance in the blood may indicate adrenal gland malfunction or heart attack.
A) glucose
B) urea
C) liver enzymes
D) potassium ions
E) triglycerides

Question

Quizplus · Accepted Answer

Abnormal concentration of potassium ions in the blood may indicate adrenal gland malfunction or heart attack. Adrenal glands regulate the levels of potassium in the blood, and a malfunction can cause abnormal levels. During a heart attack, damage to the heart muscle can release potassium into the bloodstream, causing a temporary increase in potassium levels.

An Abnormal Concentration of This Substance in the Blood May