To help reduce ammonia production in the colon, patients with cirrhosis may be given a(n):

Answer to #1

a

Answer to #2

Weight gain is NOT inevitable, although there is a decline in fat-free or lean body mass through the decades, even if weight is stable. This leads to the loss of muscle mass. Simultaneously, visceral body fat increases. Physical activity and regular exercise can delay onset or progression of chronic disease as well as mitigating the effects of a sedentary lifestyle. Weight bearing and resistance exercise increases lean muscle mass and bone density.

Answer to #3

b

Answer to #4

Theories of aging can be examined from two perspectives: (1) programmed aging theories and (2) wear-and-tear theories. Programmed aging theories include Hayflick's Theory of Limited Cell Replication, and the Molecular Clock Theory. Wear-and-Tear Theories of Aging include the Free-Radical or Oxidative Stress Theory, and the Rate of Living Theory.
Studies have shown that caloric restriction, especially in midlife, results in longer life spans. One mechanism might be that it leads to changes in cell signaling pathways that induce metabolic reprogramming and subsequent life extension.

Answer to #5

a

Answer to #6

The Heritage Family Study compared the effects of a 20-week strength training program on older and younger men and women. Results showed that the training response differed by gender and by race, but not by age. Training exercises led to increases in fat-free mass; decreases in total, subcutaneous, and visceral fat mass; and to weight loss.
Regular physical activity, including strengthening and flexibility exercise, contributes to maintenance of functional status.

Answer to #7

b

Answer to #8

c

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