Exam 10: Body Weight and Composition for Health and Sport

Although exercise is advocated as a means to prevent osteoporosis, it will counteract the adverse effects associated with decreased estrogen levels when it is a result of athletic amenorrhea.

In which activities might the condition of "anorexia athletica" appear to be more prevalent?

Increased body weight, provided it is of the right composition, may be advantageous to some athletes.

Although there is error associated with the prediction of body fat percentages from all measurement techniques currently being used in most fitness facilities and research laboratories, which of the following is believed to be the most accurate measure of body composition, i.e., body fat and lean body mass?

Once fat cells are formed, the number seems to remain fixed even if weight is lost.

Some research suggests that adiponectin may affect dopaminergic neurons in the brain, possibly increasing secretion of dopamine, which induces sensations of pleasure that may be involved in long- term regulation of body weight.

The disorder of bulimia nervosa, which is often characterized by the binge-purge syndrome, is found

Which of the following statements is correct for the deposition of fat in the human body?

Heredity and environmental factors both contribute to obesity, thus in some instances an individual is not capable of achieving and maintaining a desirable body weight.

Bioelectrical impedance analysis is based on the principle of resistance to an electric current, with the less the recorded resistance, the greater the water content, and hence the greater the body density.

Excess body fat would be least detrimental to performance in which of the following athletes?

Regional fat distribution may be associated with several major health problems.

In some instances, extra body fat may actually be beneficial to the human body.

The most highly successful regimen for the treatment of anorexia nervosa involves:

Individuals who have a Body Mass Index greater than 30 are classified as obese and this is always an indication that they have too much fat on their body.

Which of the following is mainly an environmental rather than a possible heredity factor in the multicausal etiology of obesity?

When considering the composition of the human body,

Leptin is a regulating hormone derived from body fat and inhibits the production of neuropeptide Y, a potent stimulant of food intake.

Waist circumference is an important factor in the prediction of health risks associated with excess body weight, often referred to as the metabolic syndrome. All of the following, EXCEPT which, are components of the metabolic syndrome?

As the BMI increases, the odds ratio (OR) for premature death decreases.