Which of the following statements is NOT true regarding theories of aging?
a. Free radical damage is known to promote chronic conditions including heart disease, cataracts, and some cancers.
b. Scientists postulate that if they could shorten the telomeres of chromosomes more slowly than happens naturally, cell senescence could be delayed.
c. Protein cross-links form because of exposure to high glucose levels, resulting in adverse changes in tissue and organ function.
d. Cells from long-lived species (such as humans) have higher Hayflick limits than cells from shorter-lived species (such as mice or rats).
Question 2
Mrs. Brown is 55 years old and 5 ft. 3 in. tall, with a medium frame. She reports having lost 20 pounds in the last 6 months and now weighs 130 pounds. She eats 2 meals a day and is complaining that food has lost its taste, and when she eats, she feels something sticking in her throat, pain, and discomfort; she has ill-fitting dentures that she does not wear very often. What would be an appropriate amount of protein to recommend to Mrs. Brown if she is eating 1,000 Calories per day?
a. 55 grams/day
b. 77 grams/day
c. 95 grams/day
d. 100 grams/day
e. >100 grams/day
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