Use Your Knowledge of the Treatments Associated with Deficiency Anemias

Use your knowledge of the treatments associated with deficiency anemias to explain to a patient why she cannot chew or crush an enteric-coated or delayed-release iron supplement.

A) Sustained-release preparations should not be chewed or crushed because they will deliver more or all of the medication at once rather than over an extended period, causing a smooth, sore, beefy red tongue.
B) Sustained-release preparations should not be chewed or crushed because they will deliver more or all of the medication at once rather than over an extended period, causing GI irritation because of the larger amount of iron released.
C) Sustained-release preparations should not be chewed or crushed because they will deliver more or all of the medication at once rather than over an extended period, causing iron toxicity.
D) All of these are correct