The U.S. population has become increasingly sedentary because
People spend more time engaged in sitting behaviors at home and at work
What is the difference between a portion and a serving
A portion can be larger or smaller than a serving
According to the criteria set by the USDA, which of the following would be an appropriate label for an apple grown without synthetic pesticides, chemicals, or hormones?
100 Percent organic
Kevin wants to lose 5 pounds of fat. He plans to cut back on his eating and walk to expend an additional 500 calories per day. Given this information, how long will it take for him to lose the fat weight?
When fasting or eating a very low calorie diet (vlcd) for prolonged periods, the body will find fuel from its energy stores. One of the last reserves the body will use is from
lean protein tissue
It is estimated that approximately ____ million Americans have diabetes
23.6 million Americans have diabetes
Karen is extremely dissatisfied with her body shape. She has gone through three cosmetic surgeries to alter her facial structure. Karen is most likely suffering from
body dysmorphic disorder
John has not been feeling well. He is constantly tired. His blood pressure is low and at times his vision is blurred. What two symptoms does John have that is characteristic of diabetes (type I or II)?
fatigue and blurred vision
Kara was tested for diabetes. Her fasting plasma glucose test showed a level of 120. This indicates that
Kara has pre-diabetes
Sharon is of average height and build. Although she doesn't appear overweight, a personal trainer measured her body fat at 30%. This discrepancy is likely due to
Sharon having a lower than average amount of muscle mass
Over the last 20 years, the calorie intake of Americans has increased. This is due in part to
an inability to recognize normal serving sizes
Data from the National Health Interview Survey suggest that 4 in 10 adults
never engage in any exercise, sports, or physically active hobbies
Tasha is 20 years old and wants to find her 60 percent target heart rate. This calculation would equal
120 beats per minute
Which best describes a way to assess strength in a resistance exercise program?
Start with a low weight and add 5-10 pounds until you can no longer complete a successful lift
The principle of resistance training that suggests that muscles should be gradually required to do more than they are used to doing is
Women who lift weights experience less ________ than men due to lower levels of testosterone
Overtraining syndrome occurs when
experienced athletes engage in systematic and progressive increases in training without enough rest and recovery time
When exercising for cardiorespiratory fitness, you are at an appropriate intensity when you are
able to talk to someone easily
How does a muscle respond to a held stretch
It causes the muscle to become accustomed to the new length and stop resisting the stretch
A biopsy reveals that a woman who has had breast cancer now has the cancer in her lymph nodes. The process of malignant cells moving throughout the body is called
Which of the following statements is true with respect to the genetic risk of cancer
Oncogenes are suspected cancer causing genes
A construction company used asbestos on many job sites. Asbestos is an example of a
Which of the following is true about radiation and cancer?
Ionizing radiation is the only form of radiation proven to cause cancer
Which of the following is true with respect to malignant and benign tumors
A malignant tumor can invade surrounding tissue, produce mutant cells and metastasize
Jeremy was told that his cancer could not be treated with radiotherapy and must be treated with chemotherapy. This is probably because
The cancer is no longer localized
According to current research, sexually transmitted diseases would have the greatest impact on which increasing cancer?
The average healthy heart beats 70-80 beats per minute. A lower heart rate of 60 might indicate that,
the individual is very fit
A reduction in the heart's oxygen supply, a condition known as ______ can be relieved by ______.
Which of the following represents the correct sequence of blood flow as it travels through the heart?
right atria, right ventricle, lungs, left atria, left ventricle, aorta