Life Expectancy

question 31

Multiple Choice

Life expectancy

• A) is equivalent to life span.
• B) is calculated e_x = n_x/T_x.
• C) changes with age.
• D) does not change with age.
• E) none of the above

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Definitions:

Failure to thrive

A medical condition typically observed in infants and children, characterized by significantly slower than expected growth and development.

Excessive sleep

Sleeping for durations significantly longer than the typical 7-8 hours per night, which might be indicative of underlying health issues or sleep disorders.

Multiple sclerosis

A chronic autoimmune disorder affecting the central nervous system, marked by damage to the myelin sheath that covers nerve cells, leading to neurological symptoms.

Alzheimer's disease

A progressive neurodegenerative disorder that causes memory loss, cognitive decline, and ultimately, loss of ability to carry out the simplest tasks.