CNA Basic Human Anatomy and Age-Related Changes

Question 1

Which age-related change commonly affects the cardiovascular system in older adults?

Accepted Answer

Arteries stiffen and blood pressure tends to rise

Answer

The heart beats faster at rest

Answer

Blood vessels become more elastic

Answer

Cardiac output significantly increases

Question 2

An older resident feels cold even when the room is warm. This is most likely due to which age-related change?

Accepted Answer

Decreased ability to regulate body temperature

Answer

Increased metabolic rate

Answer

Increased circulation to the skin

Answer

Higher fat stores beneath the skin

Question 3

Which sensory change is most commonly associated with normal aging?

Accepted Answer

Decreased visual acuity and hearing loss

Answer

Complete loss of taste

Answer

Heightened sense of smell

Answer

Increased sensitivity to pain

Question 4

Older adults are at higher risk for bone fractures due to which age-related change?

Accepted Answer

Decreased bone density (osteoporosis)

Answer

Increased bone density

Answer

Faster bone healing

Answer

Increased calcium absorption

Question 5

Which age-related change to the skin increases a resident's risk of pressure injuries?

Accepted Answer

Skin becomes thinner, drier, and less elastic

Answer

Increased oil gland activity

Answer

Skin becomes thicker and more resistant

Answer

Blood flow to the skin increases

Question 6

A CNA notices an older resident takes longer to react when spoken to. This may be due to which age-related neurological change?

Accepted Answer

Decreased nerve conduction velocity and slower processing speed

Answer

Dementia in all older adults

Answer

Increased brain size with age

Answer

Permanent hearing loss