Multiple Choice
The cardia is the ______ passageway of the stomach.
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
Multiple Choice
All of the following are true of the thymus gland except that it:
A
functions as a major digestive organ
B
produces hormones important for T cell maturation
C
is located in the mediastinum
D
is most active during childhood
Verified step by step guidance1
Step 1: Begin by identifying the primary function of the thymus gland. The thymus is a lymphoid organ that plays a crucial role in the immune system, specifically in the maturation of T cells (a type of white blood cell). It does not have any role in digestion.
Step 2: Understand the location of the thymus gland. It is situated in the mediastinum, which is the central compartment of the thoracic cavity, between the lungs and behind the sternum.
Step 3: Recognize the activity of the thymus gland during different life stages. The thymus is most active during childhood and gradually decreases in size and function after puberty, a process known as involution.
Step 4: Compare the options provided in the question. The thymus gland does not function as a digestive organ, which is unrelated to its role in the immune system. This makes the first option incorrect.
Step 5: Conclude that the correct answer is the statement that the thymus gland 'functions as a major digestive organ,' as this is the exception among the listed characteristics.
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