Poor immunity of old people is because of the absence of which gland
1. Pineal gland
2. Thymus
3. Thyroid gland
4. Parathyroid gland
| 1. | Increased production of thymosins, leading to enhanced immune responses |
| 2. | Decreased production of thymosins, resulting in weaker immune responses |
| 3. | Increased production of antibodies, providing stronger humoral immunity |
| 4. | Enhanced differentiation of T-lymphocytes, boosting cell-mediated immunity |
Which of the following hormone is responsible for cell mediated immunity?
1. Thyroxine
2. adrenaline
3. Thymosins
4. parathyroid
The letter T in T-lymphocyte refers to
1. Thalamus
2. Tonsil
3. Thymus
4. Thyroid
| 1. | are steroids and are involved in raising the blood sugar level |
| 2. | peptides and involved in raising the blood calcium level |
| 3. | peptides and involved in differentiation of T lymphocytes |
| 4. | steroids and involved in decreasing blood RBC count |
Which of the following does not play any role in calcium balance in the human body?
1. Vitamin-D
2. Parathyroid hormone
3. Thyrocalcitonin
4. Thymosin