IB SEHS Option C: Physical Activity and Health Training Exam Well Answered.
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Course
IB Sports
Institution
IB Sports
habitual physical activity - Answer bodily movement produced by skeletal muscle contraction to increase energy expenditure
Exercise - Answer bodily movements are performed to improve/maintain components of physical fitness
Sport - Answer activity involving physical exertion and skill...
IB SEHS Option C: Physical Activity and
Health Training Exam Well Answered.
habitual physical activity - Answer bodily movement produced by skeletal muscle contraction to
increase energy expenditure
Exercise - Answer bodily movements are performed to improve/maintain components of physical
fitness
Sport - Answer activity involving physical exertion and skill, completed for entertainment
Hypokinetic Disease - Answer a disease associated with physical inactivity
Name the four hypokinetic diseases - Answer Cardiovascular, osteoporosis, diabetes, obesity
coronary heart disease - Answer plaque builds up in coronary arteries causing blockage for oxygen rich
blood going to the heart
Stroke - Answer blood flow to an area of the brain is cut off
Obesity - Answer an excess of body fat to point where health is endangered
Diabetes - Answer Body's ability to produce insulin is impaired causing an increase of glucose
Hypertension - Answer high blood pressure
Osteoporosis - Answer bones become brittle and fragile from loss of tissue, caused by hormonal
changes and calcium deficiency
, How is physical activity measured? - Answer using the metabolic equivalent of task (represents the o2
consumption at rest (3.5))
What societal changes affect hypokinetic diseases? - Answer proliferation of motor vehicles, changes in
employment, working patterns, changes in diet
Atherosclerosis - Answer an artery becomes damaged and blocked with cholesterol and other
matherial
What are the non modifiable risk factors for cardiovascular disease? (4) - Answer age, sex, ethnicity,
family history
What are the modifiable risk factors for cardiovascular disease? (6) - Answer smoking, high blood
pressure, high blood cholesterol, obesity, diabetes, physical inactivity
Explain the concept of risk factors in cardiovascular disease - Answer Having one risk factor is better
than having a cluster of major risk factors, some are modifiable, some are not
Discuss how a lifestyle of physical inactivity increases risk of cardiovascular disease - Answer people
who are physically inactive are more likely to have risk factors. They could be obese, have type 2
diabetes, and have low HDL-cholesterol
How is obesity determined? (2) - Answer Body mass index and waist circumference
What BMI is defined as obese? - Answer 30 or higher
What waist circumference is defined as obese for men and women in US? - Answer 42 inches, 35
inches
What are the major health consequences of obesity? (5) - Answer cardiovascular disease and
hypertension, type 2 diabetes, osteoarthritis, respiratory problems, bowel cancer
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