In: Anatomy and Physiology
Answer the following by putting ( T ) if the statement is true and ( F ) if the statement is false
1.Calcitonin decrease mobilization of Calcium from bone.
True: Clcitonin is a thyroid secreted hormone that reduces the concentration of calcium in the blood when it rises to avove normal calcitonin levels, lowers the calcium levels in the blood by suppressing osteoclast activity in the bones and increasing the amount of calcium excreted in the urine.
2.Adenoids have a lining of Pseudo – Stratified Columnar Ciliated Epithelium.
True: The adenoid is covered by a pseudostratified ciliated columnar epithelium that is plicated to form numerous surface folds.
3.Thymosin promotes the transformation of primitive or immature Lymphocytes into T Lymphocytes.
True: Thymus: Thymus is where embryonic lymphocytes differ from T-lymphocytes. The transformation of primitive or immature lymphocytes into T-lymphocytes and their proliferation in lymph nodes is stimulated by a thymic hormone called thymosin.
4.Central Artery is always located in the middle of the white Pulp of the spleen.
True:White pulp is a histological classification for spleen regions .White pulp is made entirely of lymphoid tissue.