NUR 612 Porth's Pathophysiology 9th Edition- Activity Tolerance and Fatigue Questions and Answers

Benefits of exercise Slowing of atherosclerotic coronary disease. Decreases LDL . Increase HDL. Improved blood glucose regulation and diabetes . Improved activity tolerance . Improve self-esteem and quality-of-life Major components of exercise Cardiopulmonary fitness, muscle strength, flexibility , endurance , motivation and mental endurance. Aerobic exercise Use of oxygen to transform glucose, fatty acids and amino acids into energy . Muscle contraction and elongation . Muscles use oxygen more efficiently. But he can do more work with less cardiac and respiratory effort Isometric/ resistance exercise Muscles contract against immovable force without changing length. Examples are weightlifting in high resistance exercises. Improves muscle strength and tone and build muscle mass. Cardiopulmonary responses to exercise Cardiac system supplies oxygen and energy substrates to the working muscle groups. Respiratory function is to exchange oxygen and carbon dioxide with the atmosphere Psychological responses to exercise Improve self-esteem, remedy depressive moods, enhance quality of life Gen. recommendations for a balanced diet 55% complex carbohydrates , 30% fat sources - mainly polyunsaturated fats. 15% protein . Maximal oxygen consumption - VO2 max Is the volume of oxygen consumed measured in liters/minute. This cannot be exceeded but can be improved Pencil and paper test of activity tolerance Human activity profile - screening tool in which participants describe their normal activities, their perceived level of activity tolerance, or their level of fatigue. Pencil and paper test of activity tolerance 2 Fatigue severity scale - consists of nine statements that describe symptoms of fatigue on a scale of 1 to 7. Helps to assess effect of fatigue related to quality-of-life.