Nutrition Through the Life Cycle (...

6th Edition
Judith E. Brown
ISBN: 9781305628007



Nutrition Through the Life Cycle (...

6th Edition
Judith E. Brown
ISBN: 9781305628007
Textbook Problem

Ana is a 15-year-old high school student who is active in school activities, loves to run and bike, and has a 3.95 grade point average. She has a close group of friends that she spends her free time with; her parents are very proud of her for her outstanding academic performance.

School Nurse Visit Ana is being seen at the school clinic for a sore throat and fever. The nurse takes her height (5′3″) and weight (107 lb). Ana is diagnosed with strep throat infection and is given antibiotics.

Sports Physical Visit Ana is seen four months later (in early fall) by her pediatrician for a sports physical, since she is planning to join the cross-country running team. Weight at this time is 96 pounds. The physician notes that Ana seems to be tired and has lost weight since her most recent visit to the clinic. Ana replies that she has had a lot of sinus and other infections, which causes her to lose her appetite. She also notes that she has been training hard to make the cross-country team but that her training should become less intense now that she has made the team. Ana assures the physicians that she will try to eat more in the future. The physician encourages her to eat a lot of carbohydrates and protein to improve her sports performance.

Preemployment Physical Visit Ana is seen by her family physician for a preemployment physical in early June. At this time her weight is 91 pounds.

The physician is concerned about her weight, but Ana assures her that she looks and feels fine. The MD refers her to the outpatient clinical dietitian. During the interview with the dietitian, it is noted that Ana eats only twice a day, with many diet beverages in between these meals. The dietitian suggests that Ana increase her weight to at least 95 lb, but she refuses, stating that at this weight she would “have too much fat in her thighs” for running. When asked about the use of diet pills, laxatives, and other diet aids, Ana states that she doesn’t need these because she has enough willpower to reduce her food intake on her own. She also denies vomiting after eating. When asked about her willingness to reduce her running so that she could reach a more healthy weight, Ana get agitated. The dietitian asks Ana how she determines how much or how long she needs to run. Ana states that she runs as long as she needs to so that she can use up all of the calories she has eaten. When the dietitian suggests that this is compensatory exercise and is a form of purging, Ana becomes upset and leaves. The dietitian looks for her parents in the waiting room, and lets Ana’s mother know that she thinks there may be an eating issue that the family should deal with. The mother thanks the dietitian for letting her know and leaves, as Ana has already gone to the parking lot.

The dietitian confers with the physician and her parents are send information about eating disorders, including possibly outcomes and treatment options. Three months later, the clinic is notified that Ana has fainted at gym class in school and that the hospital where she was taken has referred her for an in-patient eating disorder evaluation.

Calculate BMI and percentile from the sports physical visit.

Summary Introduction

To determine: Person A BMI and percentile from the sports physical visit.

Introduction: Body mass index (BMI) is an effective measurement of the status of the health of a person whose height and weight are known. It is determined using the height and weight of the child which is then used to determine the corresponding BMI-for-age percentile based on the child’s sex and age. BMI-for-age percentile gives a comparative view of a child’s BMI with respect to those of other children of the same age and sex.


Person A is an active 15-year-old high school student having outstanding academic performance. She had visited the nurse at the school clinic where her height and weight were recorded to be 5’3” and 107 lb respectively. Also, she was given antibiotics for the strep throat infection. Four months later when assessed for sports physical in early fall prior to a cross-country running event, Person A weighed 96 pounds and had an appearance showing tiredness. She reported a decreased appetite and sinus infections. She admitted to have trained hard to make it to the team, and that her training had been intense. She assured her pediatrician that she would eat lots of carbohydrates and proteins to improve her health and sports performance.

In early June, Person A had gone for a pre-employment physical visit when she weighed 91 pounds. Though she claimed to be feeling and looking fine, she had to consult an outpatient clinical dietician. Person A was found to have a diet consisting of meals twice a day with many beverages in between them, but no incident of vomiting after meals. The dietician suggested Person A to increase her weight to 95 lb, which the latter was reluctant to comply fearing increased body fat. Person A refused the use of diet pills, laxatives and other diet aids stating her strong will power to reduce her food intake on her own. Person A got agitated when asked to reduce her running stating that it helps her to consume all the calories.

Person A’s parents were made aware by the dietician about the possible eating disorder and the possible outcomes and treatment options. Three months later, Person A was admitted at the hospital for evaluation of an in-patient eating disorder after got faint at the gym class in school.

The recorded weight and height of Person A during the sports physical visit was 96 lb and 53 respectively, and her age was 15 years

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