A Doctor Receives the Following Report on a Patient

Multiple Choice

A doctor receives the following report on a patient."Laboratory results indicate reduced activity for an enzyme dependent on thiamine,but examination of the patient revealed no signs of beriberi,a thiamine deficiency disease." What is being described?

A) The first stage of deficiency caused by depleted thiamine stores.
B) An early stage of thiamine deficiency almost certainly caused by poor nutrient intake.
C) The final stages of thiamine deficiency where health is at risk.
D) An intermediate stage of thiamine deficiency that may be due to poor intake of thiamine or other causes.