Worksheet content

Which of the following best describes chronological age?

• How well the body functions
• Number of years lived
• Rate of cellular aging
• Genetic health status

Biological age is best defined as:

• Years since birth
• How old your organs are individually
• How the body has aged due to lifestyle, environment, and genetics
• Age based on population averages

Which of the following occurs with aging?

• Increased muscle mass
• Increased fast-twitch fibers
• Decreased maximal strength
• Increased nervous system speed

Aging results in an increase in which muscle fiber type?

• Type IIx
• Type IIa
• Type I
• Hybrid fibers

Which statement is true regarding oxidative enzyme capacity with aging?

• It significantly decreases
• It significantly increases
• It remains relatively unchanged
• It disappears entirely

Which type of training is most effective at maintaining muscle fiber cross-sectional area in older adults?

• Endurance training
• Flexibility training
• Resistance training
• Balance training

Approximately what percentage of adults over 65 experience significant balance problems?

• 2%
• 5%
• 10%
• 25%

Which of the following is not a primary contributor to balance issues in older adults?

• Vestibular system
• Visual system
• Musculoskeletal system
• Digestive system

Falls are the leading cause of:

• Chronic disease
• Injury-related death
• Cognitive decline
• Muscle atrophy

Relative body fat increases with age primarily due to:

• Increased metabolism
• Decreased calorie intake
• Increased physical activity
• Decreased fat mobilization