The Thymus
Trending Questions
Q. Study the following and select the correct statement about B-lymphocytes.
- Memory B-cells do not express the same antibody as their parent B-cell
- Antibodies play the major role in cell-mediated immunity
- Effector cells are short-lived
- Encounter with the antigens results in division of immature B-cells
Q.
'Mammalian thymus' is mainly concerned with
Regulation of body growth
Immunological functions
Secretion of thyrotropin
Regulation of body temperature
Q. Choose the incorrect option with respect to the location of the gland.
- Thyroid - on either side of the trachea
- Parathyroid - back side of the thyroid gland
- Thymus - base of the skull
- Pineal gland - base of the forebrain
Q. Choose the incorrect statement with respect to thymus gland.
- Situated anterior to thyroid gland
- Participates in cell mediated immunity
- Secretes peptide hormone thymosins
- Begins to degenerate as the age increases
Q. Destruction of thymus in children may lead to
- Loss of skin pigmentation
- Reduction of hemoglobin content in blood
- Reduction in stem cell production
- Loss of cell mediated immunity
Q. Write short notes on the functions of the thymosin.