Podcast
Questions and Answers
Julie developed a numbness in her right lower leg.
Julie developed a numbness in her right lower leg.
False
Anorexia often involves a loss of taste for food while still occasionally craving it.
Anorexia often involves a loss of taste for food while still occasionally craving it.
True
Julie was not participating in her usual activities due to her condition.
Julie was not participating in her usual activities due to her condition.
False
Bulimia nervosa involves eating excessive amounts followed by voluntary purging.
Bulimia nervosa involves eating excessive amounts followed by voluntary purging.
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Julie worked out every day only when her parents were watching.
Julie worked out every day only when her parents were watching.
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Positive-incentive value refers to the anticipated pleasure of a behavior.
Positive-incentive value refers to the anticipated pleasure of a behavior.
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Anorexia nervosa is a disorder characterized by overeating.
Anorexia nervosa is a disorder characterized by overeating.
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Julie believed she weighed too much when she reached the clinic at 75 pounds.
Julie believed she weighed too much when she reached the clinic at 75 pounds.
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Satiety signals influence when we choose to eat.
Satiety signals influence when we choose to eat.
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Pavlovian conditioning can affect hunger cues.
Pavlovian conditioning can affect hunger cues.
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Learned taste preferences only affect what foods we dislike.
Learned taste preferences only affect what foods we dislike.
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Julie received positive comments about her appearance from her parents and friends during her weight loss.
Julie received positive comments about her appearance from her parents and friends during her weight loss.
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The set-point assumption states that energy resources remain constant after a meal.
The set-point assumption states that energy resources remain constant after a meal.
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Energy is predominantly stored in the body as proteins.
Energy is predominantly stored in the body as proteins.
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Glycogen has the ability to attract and hold water, making it less favorable for energy storage compared to fat.
Glycogen has the ability to attract and hold water, making it less favorable for energy storage compared to fat.
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R.H. consistently rejected meals despite a lack of long-term memory.
R.H. consistently rejected meals despite a lack of long-term memory.
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The cephalic phase of energy metabolism occurs when the body is fasting.
The cephalic phase of energy metabolism occurs when the body is fasting.
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The small intestine is responsible for breaking down food and absorbing its nutrients.
The small intestine is responsible for breaking down food and absorbing its nutrients.
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Fats can store almost twice as much energy as the same weight of glycogen.
Fats can store almost twice as much energy as the same weight of glycogen.
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The gut microbiome consists solely of beneficial bacteria that aid in digestion.
The gut microbiome consists solely of beneficial bacteria that aid in digestion.
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During the absorptive phase, energy absorbed from a meal enters the bloodstream.
During the absorptive phase, energy absorbed from a meal enters the bloodstream.
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Study Notes
Hunger, Eating & Health
- Key topics include digestion, energy storage, energy utilization, theories of hunger and eating, factors determining eating habits, and eating disorders.
- A case study of R.H., a 48-year-old male with amnesia, reveals his preference for veal parmigiana (approximately 750 calories) and apple juice. He readily consumed food offered, highlighting the possible disconnect between hunger cues and memory.
- Digestion involves the gastrointestinal process of breaking down food and absorbing nutrients.
- The gut microbiome plays a crucial role in digestion, with bacteria and other organisms inside the gastrointestinal tract breaking down ingested food.
- The digestive system includes the mouth, esophagus, stomach, liver, large intestine, small intestine, rectum, and anus.
- Energy storage occurs in three forms: fat, glycogen, and proteins.
- Fat stores significantly more energy per unit weight compared to glycogen.
- Glycogen, though, absorbs more water, impacting storage capacity.
- Energy metabolism is divided into three phases: cephalic (preparatory), absorptive (energy absorption), and fasting (energy withdrawal).
- The set-point assumption suggests that after eating, a person's energy resources are initially at their set point, but then decline as the body uses energy for physiological processes.
- The positive-incentive perspective indicates that humans are motivated to eat not only by internal energy deficits, but also by the anticipated pleasure of eating.
- Factors influencing what we eat include learned taste preferences and aversions as well as learning to eat vitamins and minerals.
- Factors influencing when we eat include premeal hunger, Pavlovian conditioning of hunger, satiety signals, sham eating, and the appetizer effect and satiety.
- Eating disorders include anorexia nervosa and bulimia nervosa.
- Anorexia nervosa is a disorder characterized by underconsumption, a serious condition.
- Bulimia nervosa is a disorder defined by periods of not eating disrupted by bingeing followed by purging to compensate for the consumed calories.
- A case study of Julie illustrates an individual suffering anorexia nervosa. Her initial weight was 140 pounds, 5 feet 1 inch. She engaged in extreme dieting and exercise. Despite her parents' concerns, Julie continued to insist on her choice of weight reduction. She was initially determined to succeed, resulting in a focus on negative symptoms for self-evaluation, and a feeling of control and mastery.
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Description
This quiz covers key concepts related to hunger, eating behaviors, and health. It delves into topics such as digestion, energy storage, eating disorders, and the influence of the gut microbiome. A case study highlights the complexities of hunger cues and memory, illustrating the intricate relationship between these factors.
