Which of the following atoms does Lithium interfere with?

Lithium primarily interferes with the absorption and function of sodium, potassium, calcium, and magnesium in the body. This is due to lithium's chemical similarities to these cations, which can lead to competitive inhibition in various physiological processes. For instance, lithium can mimic sodium in the renal tubular system, affecting sodium reabsorption and leading to alterations in fluid and electrolyte balance.

By interfering with these essential cations, lithium can result in side effects such as increased thirst and urination, as the kidneys may struggle to regulate these electrolytes effectively. Understanding this relationship is crucial for healthcare providers managing patients on lithium therapy, as it can impact overall patient health and lead to complications if not monitored appropriately.

Other elements listed, such as iron, zinc, and phosphorus, do not have the same direct interactions with lithium, which is why they are not the focus in the context of lithium's interference in physiological processes.