Body Composition and Self Perception Quiz

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Questions and Answers

What phenomenon is particularly common following medical weight loss procedures?

  • Feeling fat despite weight loss (correct)
  • Improved self perceptions
  • Heightened self-esteem
  • Decreased body dysmorphia

What does 'feeling fat' among individuals post-weight loss procedures reflect?

  • Self perceptions of body image (correct)
  • Enhanced physical appearance
  • Actual physical attributes
  • Increased self-esteem

Which of the following is NOT mentioned as a possible reason for an individual stating that they are 'feeling fat'?

  • Self–presentational issues
  • Reflection of body dysmorphia
  • Impaired function
  • Being comfortable with oneself (correct)

What type of preoccupation characterizes clinically severe body dysmorphic disorder?

<p>Excessive focus on body dissatisfaction for over 3 hours daily (D)</p> Signup and view all the answers

What is a common misconception about experiencing some symptoms of body dysmorphia according to the text?

<p>It is considered perfectly normal (A)</p> Signup and view all the answers

Why might changing an individual's physical attributes not necessarily alter their self perceptions according to the text?

<p>Physical attributes and self perceptions are closely linked (D)</p> Signup and view all the answers

What criticism is often directed at the use of BMI?

<p>It doesn't consider age, physical activity levels, and biological sex. (B)</p> Signup and view all the answers

Why might BMI overestimate adiposity in some cases?

<p>As a result of very muscular individuals. (A)</p> Signup and view all the answers

What is a rare phenomenon mentioned in the text regarding BMI measurement?

<p>Muscular individuals exhibiting higher risk of obesity. (D)</p> Signup and view all the answers

In what population does BMI tend to underestimate the risk of obesity?

<p>Older adults with age-related reductions in muscle mass. (B)</p> Signup and view all the answers

How is BMI described in terms of its primary function?

<p>A secondary prevention approach for screening individuals. (B)</p> Signup and view all the answers

Why might BMI be considered an epidemiological tool according to the text?

<p>It is used for monitoring morbidity and mortality rates. (C)</p> Signup and view all the answers

What misconception does the text highlight regarding body mass?

<p>Body mass provides insight into the health status of an individual. (B)</p> Signup and view all the answers

Why does the text mention the arbitrary nature of the ten-pound weight loss goal?

<p>To question the significance of ten pounds over other amounts. (A)</p> Signup and view all the answers

What scenario does the text provide to demonstrate a way to achieve a ten-pound loss in body mass that may not positively impact health?

<p>Sending the person up into space (B)</p> Signup and view all the answers

Based on the text, what is the primary concern with focusing only on overall body mass?

<p>It might result in misunderstandings about bodily tissues. (C)</p> Signup and view all the answers

Which statement best summarizes the relationship between body mass and health according to the text?

<p>Body mass does not inherently indicate health or wellbeing. (A)</p> Signup and view all the answers

How do natural fluctuations in body mass impact the understanding of an individual's weight over time?

<p>They can lead to nearly a ten-pound difference within a short period. (A)</p> Signup and view all the answers

What does Dual-energy x-ray absorptiometry (DXA or DEXA) measure?

<p>Absorption of two different low-dose x-rays (C)</p> Signup and view all the answers

Why is DEXA considered the new 'gold' standard for measuring body fat and bone density?

<p>Because it can differentiate bone and soft tissue mass accurately (B)</p> Signup and view all the answers

Why can the technician remain in the room during a DEXA scan?

<p>Because the radiation dose is very low (C)</p> Signup and view all the answers

What is a downside to using Dual-energy x-ray absorptiometry (DXA) for body composition assessment?

<p>Not all individuals may be willing to undergo it (C)</p> Signup and view all the answers

Which technique relies on light absorption characteristics for body composition assessment?

<p>Infrared Spectroscopy (C)</p> Signup and view all the answers

What distinguishes Dual-energy x-ray absorptiometry (DXA) from techniques like Ultrasound and Infrared Spectroscopy?

<p>Exceptional accuracy in differentiating bone and soft tissue mass (A)</p> Signup and view all the answers

What is the main similarity between the underwater weighing and air displacement plethsmography approaches discussed in the text?

<p>Both approaches measure body density based on mass and volume. (A)</p> Signup and view all the answers

Why does an individual with high muscle mass have an overall body mass that is higher than expected based on their body volume?

<p>Muscle weighs more than fat. (B)</p> Signup and view all the answers

What is the primary drawback of using air displacement plethsmography for assessing body composition?

<p>High sensitivity to day-to-day variations in body composition. (A)</p> Signup and view all the answers

What distinguishes individuals with high body fat according to the text?

<p>They have a larger body volume relative to their overall body mass. (D)</p> Signup and view all the answers

What is the role of density in determining whether objects sink or float according to the text?

<p>Very dense things tend to sink. (A)</p> Signup and view all the answers

Why are air displacement plethsmography approaches like the BodPod considered most suitable for research and specialty clinics?

<p>They provide very accurate measures of body composition. (D)</p> Signup and view all the answers

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