____ is secreted in response to low plasma calcium concentrations and acts on the kidney to increase synthesis of ____, which promotes renal reabsorption of calcium.
A) Parathyroid hormone; calcitonin
B) Parathyroid hormone; calcitriol
C) Calcitonin; calcitriol
D) Calcitriol; calmodulin
Question 2
Michael has a primary deficiency of iron due to inadequate intake of foods containing the nutrient. Which assessment method would most likely reveal changes related to Michael's primary iron deficiency?
A) anthropometric measurements
B) laboratory tests
C) diet history
D) physical examination