Deck 31: Searching for the Fountain of Youth

Question 1

Maintaining an energy-restricted diet that is high in nutrients requires significant planning and preparation of most of your own meals.

Answer 1

True

Question 2

Antioxidant supplements have consistently been shown to lower rates of death from heart disease and certain types of cancer.

Answer 2

False

Question 3

The key to a successful Calorie-restricted diet is to

A)consume 1,000 or fewer calories per day.
B)consume a low-Calorie, high nutrient-dense diet.
C)exercise at least one hour each day while eating fewer calories than usual.
D)join a support group.

Answer 3

B

Question 4

Approximately how long would a person's life be prolonged if he or she did not start consuming a Calorie-restricted diet until the age of 55 years?

A)4 months
B)1 year
C)5 years
D)10 years

Question 5

Research studies indicate that consuming which of the following supplements can cause gastrointestinal upset?

A)vitamin C
B)ginseng
C)gingko
D)melatonin

Question 6

An evaluation of the impact of a Calorie-restricted diet on health indicates only the calorie level of the diet and NOT the nutrient content that is critical to prolong life.

Question 7

Although promising, research that could precisely study and measure the benefits of a Calorie-restricted diet in humans may never be conducted because of logistical and ethical concerns.

Question 8

A Calorie-restricted diet (CR) is defined as a diet containing 1,000 or fewer calories per day.

Question 9

Preliminary research studies suggest that a Calorie-restricted (CR) diet can improve metabolic measures of health in humans and, therefore, may be able to extend the human life span.

Question 10

Which of the following metabolic effects of CR has NOT been reported in any of the human studies?

A)increased energy expenditure
B)a decreased fat mass and lean body mass
C)decreased insulin levels and improved insulin sensitivity
D)decreased core body temperature and blood pressure

Question 11

Antioxidant supplements are not necessary and may actually be harmful.

Question 12

Which of the following is NOT a benefit of a Calorie-restricted (CR) diet?

A)The reduced metabolic rate results in a significantly lower production of free radicals.
B)The reduced caloric intake results in reduced oxidative damage to DNA and other cells.
C)Caloric restriction causes marked improvement in insulin sensitivity.
D)Calorie restriction results in decreased fat mass and increased lean body mass.

Question 13

Most of the members of the Caloric Restriction Society and the CRONies are males.

Question 14

According to the Centers for Disease Control and Prevention (CDC), which of the following health habits does NOT promote increased longevity?

A)following a diet based on the USDA's food guidelines
B)tobacco use
C)engaging in at least 30 minutes of moderate physical activity daily
D)maintaining a healthy weight and body composition