객관식
Which of the following is a primary lymphoid organ?
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20. The Lymphatic System
Primary Lymphoid Organs
객관식
In the context of primary lymphoid organs, which hormone is primarily secreted by the thymus gland to support T-lymphocyte maturation?
A
Thymosin
B
Erythropoietin (EPO)
C
Cortisol
D
Melatonin
검증된 단계별 안내1
Understand the role of primary lymphoid organs: These organs are where lymphocytes mature. The thymus gland is a primary lymphoid organ responsible for the maturation of T-lymphocytes (T cells).
Identify the hormone secreted by the thymus gland: The thymus produces a hormone that supports the development and maturation of T-lymphocytes, which is essential for the adaptive immune response.
Recall the specific hormone involved: The hormone secreted by the thymus to aid T-cell maturation is called thymosin.
Differentiate thymosin from other hormones listed: Erythropoietin (EPO) is involved in red blood cell production, cortisol is a stress hormone from the adrenal cortex, and melatonin regulates sleep cycles, so these are not related to T-cell maturation.
Conclude that thymosin is the hormone primarily secreted by the thymus gland to support T-lymphocyte maturation.
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