Calcium Homeostasis Quiz
Quiz on calcium homeostasis.
1. Which of the following hormones is involved in calcium homeostasis?
Epinephrine
Insulin
Parathyroid Hormone
Testosterone
2. What is calcitriol?
A prehormone that is produced in the liver
The active metabolite—1,25-dihydroxycholecalciferol—involved in absorption of calcium.
A hormone produced by the thyroid gland to reduce blood calcium.
A type of vitamin D that helps maintain a healthy skeletal system.
3. What is the role of bone resorption in calcium metabolism?
It helps regulate the levels of calcium and phosphorus in the blood.
It releases stored calcium into systemic circulation.
It promotes healthy growth and remodeling of bone.
It fixes circulating calcium into its mineral form.
4. What are some consequences of inadequate calcium levels?
Hypercalcemia
Osteoporosis
Hypocalcemia
Diabetes
5. What does Vitamin D do with respect to Calcium Homeostasis?
It regulates the levels of calcium and phosphorus in the blood.
It helps prevent hypercalcemia or hypocalcemia.
It helps maintain a healthy skeletal system.
All of the above
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