| List-I | List-II | ||
| A. | Parathyroid hormone | I. | Flight or fight response |
| B. | Epinephrine and Nor-epinephrine | II. | Regulates the body's biological clock |
| C. | Thyroid stimulating hormone | III. | Increases blood \(\)Ca2+ level |
| D. | Melatonin | IV. | Synthesis of \(\text{T}_3~ \text{and} ~\text{T}_4\) hormones |
| Statement I: | Parathyroid hormone acts on bones and stimulates the process of bone resorption |
| Statement II: | Parathyroid hormone along with Thyrocalcitonin plays a significant role in carbohydrate metabolism. |
| (a) | Stimulates the process of bone resorption. |
| (b) | Decreases Ca2+ level in blood. |
| (c) | Reabsorption of Ca2+ by renal tubules. |
| (d) | Decreases the absorption of Ca2+ from digested food. |
| (e) | Increases metabolism of carbohydrates. |
| 1. | (b) and (c) only | 2. | (a) and (c) only |
| 3. | (b), (d) and (e) only | 4. | (a) and (e) only |
Which of the following conditions will stimulate the parathyroid gland to release parathyroid hormone?
1. Fall in active Vitamin D levels
2. Fall in blood Ca2+ levels
3. Fall in bone Ca2+ levels
4. Rise in blood Ca2+ levels