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Muscular System Aging Quiz

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Questions and Answers

What is the age range when men and women usually achieve maximum muscular strength?

Between 40 and 50 years

Between 30 and 40 years

Between 50 and 60 years

Between 20 and 30 years (correct)

What type of muscle fibers show selective loss with aging?

Type I and Type II fibers equally

Type III, intermediate fibers

Type I, slow twitch fibers

Type II, fast twitch fibers (correct)

What is the possible mechanism of reduction in muscle with aging?

An increase in muscle fiber innervation

A loss of functioning motor neurons (correct)

An increase in functioning motor neurons

An increase in muscle mass

What happens to the muscular cross-sectional area as people age?

There is a significant reduction in the cross-sectional area Signup and view all the answers

What does reduced muscle mass lead to?

Reduced activity and disuse atrophy Signup and view all the answers

Which of the following is a clinical implication of denser and stiffer connective tissue associated with aging?

Increased risk of muscle strains and tendon tears Signup and view all the answers

What gait changes are commonly observed in older individuals due to skeletal system aging?

Shorter steps and wider stride Signup and view all the answers

What happens to cartilage with aging in the skeletal system?

It becomes stiffer and loses water content Signup and view all the answers

What is a common physiological change associated with aging in the skeletal system?

Loss of bone mass and density Signup and view all the answers

What is a typical gait pattern observed in normal older males according to the text?

Wider-based, smaller-stepped, decreased arm swing Signup and view all the answers