Quiz 17: Late Adulthood: Physical and Emotional Development
Life expectancy is the span for which an individual is expected to survive. It is also known as longevity. The number of years a person is expected to live is based on the year of birth and many other factors. The survival is totally dependent on the circumstances. Life expectancy is firstly determined by the genetic constitution. The environment comes second to help an individual completely live the expected number of years. Also, fortune plays a minor role. The individual should be fortunate enough not to meet with any serious accidents. Life expectancy is not the same for all humans. It varies from nation to nation, gender to gender. Variation in gender also alters the life expectancy. It varies depending on sex, geographical location and individual health issues. The maximum life span recorded in humans so far is 122 years and it is the uppermost limit for human life. It has been observed that life expectancy increases with increase in age. All measures taken towards public health have definitely increased the life expectancy. The variation in life expectancy in different countries of the world is due to variations in public health measures, medical facilities and diet patterns. So, the word in the blank should be .
Life expectancy is not the same for all humans. It varies from nation to nation, gender to gender. Variation in gender also alters the life expectancy. It varies depending on sex, geographical location and individual health issues. According to today's scenario, life expectancy in America is the maximum. It has been observed that the average life of an American is 78-79 years. Life expectancy in India is just 66 years for males and 68 years for females. Hence, option (a) is not correct. Life expectancy in South Africa is 55 years for males. And a female's average life expectancy is just 48 years. So, option (c) is not correct. North Korea comparatively has a higher life expectancy. But it is definitely less than Cuba in Latin America. So, option (b) is also incorrect. Cuba in Latin America has the highest life expectancy. It has been observed that the life expectancy for males in Cuba is 75 years and 80 years for females. Hence, the correct option is .
As an individual enters into late adulthood after middle adult hood a number of changes take place in the body due to age factor. Changes are seen in the skin texture, hair color and volume, nails, functioning of sense organs and their responses, capacity of lungs, metabolic rate of body etc. One of the changes also takes place in the eyes. By middle age many individuals develop cataract. In cataract the lens of the eye becomes cloudy and the vision gets blurred. It is not necessary to happen in both the eyes at the same time. It develops gradually. Major symptoms to identify cataract are as follows: 1) Colors appear to be faded 2) The person has a problem to face bright colors 3) Vision gets blurred 4) The person experiences trouble to see in darkness or at night time. It is an established fact that 33% of vision impairment is due to cataract. Today cataract is cured easily by surgery. The patient does not have to get admitted also. He/She is treated as an outpatient and results of surgery have proved to be excellent. Apart from age, the other known reasons for cataract are trauma, exposure to radiations and in some cases it is present right at the time of birth. Factors of risk are diabetes, smoking, tobacco and exposure to sunlight. Cataract can be easily diagnosed just by an eye examination. So, the answer to the blank is .