As we enter late adulthood,we can expect to experience the physical changes of
A) a decreased immune system.
B) a shrinking brain.
C) becoming more nearsighted.
D) dilated pupils.

Question

Quizplus · Accepted Answer

As we age, our immune system weakens, making us more susceptible to illnesses and disease. This is due to a decrease in the production of immune system cells and the ability of these cells to function properly.

Answer: B 
 Research has shown that there is a decrease in brain size and weight in late adulthood, particularly in areas responsible for learning and memory. This is due to a decline in the number of neurons and synapses, as well as a shrinkage of the myelin sheath that surrounds nerve fibers.

Answer: C 
 Many people experience a decline in visual acuity as they age, particularly for close-up tasks such as reading or sewing. This is due to a condition called presbyopia, which is caused by a loss of elasticity in the lens of the eye.

Answer: D 
 Although the muscles that control the size of the pupil become less responsive as we age, this is not necessarily a noticeable physical change in late adulthood. Dilated pupils can be caused by various factors, such as medications, drugs or anxiety.

As We Enter Late Adulthood,we Can Expect to Experience the Physical