APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is true about the thymus?
A
It makes B cells
B
It makes T cells
C
It stops working as you age
D
All of the above are correct
Explanation: 

Detailed explanation-1: -The thymus gland reduces with the increase in age. In infants, it is larger in size but in adults, it is greatly reduced. Thus, its function reduces with aging. The thymus is not involved in the production of either the B-cells or the T-cells.

Detailed explanation-2: -A critical immune organ called the thymus shrinks rapidly with age, putting older individuals at greater risk for life-threatening infections. A new study reveals that thymus atrophy may stem from a decline in its ability to protect against DNA damage from free radicals.

Detailed explanation-3: -Answer and Explanation: The correct answer is a. All of the given choices are true of the thymus gland, except that it activates B cells. The thymus gland is a small gland that produces T-cells and hormones, such as thymosin, which stimulate T-cell maturation.

There is 1 question to complete.