Question 1

The requirements for a physical change to be considered the consequence of aging are:

Accepted Answer

The correct requirements for a physical change to be considered the consequence of aging are that the decline is universal, intrinsic, progressive, irreversible, and deleterious. These criteria ensure that the change is a natural part of the aging process, affecting all individuals, originating from within the organism, worsening over time, cannot be reversed, and is harmful.

Question 2

Which of the following is/are age-changes of the urinary system?

Accepted Answer

All of the options listed are age-related changes in the urinary system. The bladder capacity decreases, the kidneys become less efficient at filtering blood, and there is an increased production of urine at night as one ages.

Question 3

Which of the following is NOT considered an age-associated change in the integument?

Accepted Answer

Increased subcutaneous fat is not typically an age-associated change in the integument; instead, there is usually a decrease in subcutaneous fat with aging. This leads to thinner, more fragile skin.

Question 4

Although age-associated changes in the respiratory system are highly variable, the following is NOT thought to be caused by aging:

Accepted Answer

Increased breathing rate is not typically associated with aging. Aging generally leads to decreased lung function, but not necessarily an increased breathing rate.

Question 5

Which of the following statements concerning the digestive system is false?

Accepted Answer

The answer of Which of the following statements concerning the...

Question 6

Which of the following is NOT an age-associated change in the cardiovascular system?

Accepted Answer

Increased maximum heart rate is not an age-associated change in the cardiovascular system.

Question 7

Which of the following is an age-associated change in women?

Accepted Answer

A and B are correct because as women age, their ovaries do decrease in size and there is a decreased production of estrogen. C is incorrect because there is actually a decrease in vaginal acidity with age, not an increase.

Question 8

Which of the following is NOT an age-associated change of the ear?

Accepted Answer

Bones breaking in the middle ear is not a typical age-associated change. Age-related hearing loss usually involves the gradual inability to hear high-pitched sounds and increased ear wax accumulation.

Question 9

Which of the following are age-associated changes of the eye?

Accepted Answer

B and C are correct. With age, the eye exhibits a decreased speed of adaptation to darkness and experiences clouding and yellowing of the lens. The inability to focus on distant objects is not typically an age-associated change; rather, difficulty focusing on close objects (presbyopia) is more common.

Question 10

If you have presbyopia, which organ would be affected?

Accepted Answer

Presbyopia affects the eyes, specifically the ability to focus on close objects, which is not listed among the options provided.

Question 11

Which of the following is NOT an age-associated change in the nervous system?

Accepted Answer

Crystallized intelligence, which refers to the accumulation of knowledge and skills over time, typically remains stable or even increases with age, unlike fluid intelligence which declines.

Question 12

Which of the following age changes does NOT occur in the genital system in women?

Accepted Answer

The reduction of clitoral sensation is not a typical age-related change in the genital system for women. Age-related changes include shrinking of the ovaries and uterus, reduced estrogen production, and thinning of the vaginal walls.

Question 13

Which of the following is a symptom of a cataract?

Accepted Answer

Cataracts primarily cause the lens of the eye to become cloudy or yellowed, leading to dimmed vision, making options B and C correct. Tissue growing over the eye is not a symptom of cataracts, but rather a different condition.

Question 14

The greatest cause of presbycusis is:

Accepted Answer

The answer of The greatest cause of presbycusis is:
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Question 15

Which type of research study is considered the gold standard (best)?

Accepted Answer

Randomized double-blind studies are considered the gold standard in research because they minimize bias by ensuring neither the participants nor the researchers know who is receiving the treatment or the placebo, thus providing the most reliable evidence of a treatment's effectiveness.

Question 16

With age, hair thins in the scalp and coarsens in the ears, nostrils and eyebrows, especially in males.

Accepted Answer

As men age, hormonal changes can lead to the thinning of scalp hair while hair in areas like the ears, nostrils, and eyebrows becomes coarser and more prominent. This is due to the effects of dihydrotestosterone (DHT) on hair follicles.

Question 17

Except for some losses in mass with age, the bones are constant in size and composition.

Accepted Answer

Bones are dynamic tissues that constantly remodel and change their composition throughout a person's life, adapting to stress and repairing damage.

Question 18

Muscle strength and mass cannot be regained after age 70.

Accepted Answer

Muscle strength and mass can be improved at any age through appropriate exercise, including strength training, even after the age of 70.

Question 19

Strength and thickness of bone is related to the degree of physical activity.

Accepted Answer

Bones adapt to the load placed upon them, so physical activity, which stresses the bones, can lead to increased bone density and strength.

Question 20

Reduction in brain size in older people causes reduced memory and learning capacity.

Accepted Answer

The answer of Reduction in brain size in older people...

Quiz 3: The Body and Its Age Changes