Which one of the following statements BEST describes the action of the parathyroid hormone?
A) it lowers calcium and phosphorus levels in plasma upon prolonged administration
B) its secretion is inhibited by high levels of plasma calcium
C) it lowers serum calcium levels and raises serum phosphate levels
D) it causes (or enhances) precipitation of calcium salts in bone
E) it stimulates reabsorption of phosphate from the kidney
Correct Answer:
Verified
Q2: Which one of the following statements concerning
Q4: Thyroxine
A) is synthesized by iodination of free
Q5: Which of the following occurs subsequent to
Q6: Which of the following enzymes is involved
Q7: Which vitamin is a secosteroid and acts
Q8: The thyroid hormone found in highest concentration
Q9: Cortisol has primarily
A) estrogen activity.
B) mineralocorticoid activity.
C)
Q10: Of the following statements concerning human hormones,
Q11: The catabolism and excretion of steroid hormones
A)
Q20: Specificity in the action of a peptide
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