Podcast
Questions and Answers
What is the main focus of the Adolph EF (1947) experiments mentioned?
What is the main focus of the Adolph EF (1947) experiments mentioned?
- Daily circadian cycle for energy stores
- Short term satiety mechanisms
- Exchange of blood between rats (correct)
- Long term regulation of hunger
What was one of the misconceptions that delayed the identification of the circulating factor mentioned in the experiments?
What was one of the misconceptions that delayed the identification of the circulating factor mentioned in the experiments?
- The factor was lipid soluble (correct)
- The factor was a protein
- The factor was genetic
- The factor was water-soluble
What is the role of the Ventromedial Nucleus (VMN) of the hypothalamus?
What is the role of the Ventromedial Nucleus (VMN) of the hypothalamus?
- Stores body fat
- Regulates blood circulation
- Controls hunger and satiety (correct)
- Regulates body temperature
What did the Parabiosis experiments by Coleman (1973) demonstrate?
What did the Parabiosis experiments by Coleman (1973) demonstrate?
What is the purpose of the Circadian Regulatory Cycle for Energy Stores mentioned in the text?
What is the purpose of the Circadian Regulatory Cycle for Energy Stores mentioned in the text?
Why was the correlation of body weight with fat stores considered poor in the short term according to the text?
Why was the correlation of body weight with fat stores considered poor in the short term according to the text?
What happens when energy input equals energy output?
What happens when energy input equals energy output?
Which statement best describes the relationship between energy stores and body mass?
Which statement best describes the relationship between energy stores and body mass?
What is a characteristic of changes in body weight over periods longer than 24 hours?
What is a characteristic of changes in body weight over periods longer than 24 hours?
How precisely do we regulate our energy stores according to the text?
How precisely do we regulate our energy stores according to the text?
What does storage of 1 kg fat represent in terms of energy storage?
What does storage of 1 kg fat represent in terms of energy storage?
In the context of regulating energy, what does the text propose as a controversial aspect?
In the context of regulating energy, what does the text propose as a controversial aspect?
What is one reason why severely obese humans with no detectable mutations in the Ob gene can still be obese?
What is one reason why severely obese humans with no detectable mutations in the Ob gene can still be obese?
What is a possible consequence of low leptin levels in humans?
What is a possible consequence of low leptin levels in humans?
Which factor has been found to play a role in the aetiology of obesity in some severely obese individuals with no Ob gene mutations?
Which factor has been found to play a role in the aetiology of obesity in some severely obese individuals with no Ob gene mutations?
How was the obesity of individuals with pure leptin deficiency successfully treated?
How was the obesity of individuals with pure leptin deficiency successfully treated?
What feedback system is involved in regulating energy stores and metabolic activity level?
What feedback system is involved in regulating energy stores and metabolic activity level?
Why are starving people more susceptible to infection according to the text?
Why are starving people more susceptible to infection according to the text?
What is the function of the ventromedial nucleus (VMN) of the hypothalamus?
What is the function of the ventromedial nucleus (VMN) of the hypothalamus?
Lesions of the ventromedial nucleus (VMN) lead to:
Lesions of the ventromedial nucleus (VMN) lead to:
Which type of inhibition does the ventromedial nucleus (VMN) exert on lipogenesis control?
Which type of inhibition does the ventromedial nucleus (VMN) exert on lipogenesis control?
What happens when there is a bilateral lesion of the ventromedial nucleus of the hypothalamus?
What happens when there is a bilateral lesion of the ventromedial nucleus of the hypothalamus?
What is the main function of the lateral hypothalamus?
What is the main function of the lateral hypothalamus?
Which protein is produced by adipose tissue itself and plays a role in long-term regulation of hunger?
Which protein is produced by adipose tissue itself and plays a role in long-term regulation of hunger?
What is the role of low leptin levels in relation to helper T lymphocytes?
What is the role of low leptin levels in relation to helper T lymphocytes?
Which hormone is known to be anorexigenic based on the text provided?
Which hormone is known to be anorexigenic based on the text provided?
What happens when leptin receptors on helper T lymphocytes are insufficiently bound?
What happens when leptin receptors on helper T lymphocytes are insufficiently bound?
Which hormone is secreted by the colon and is anorexigenic?
Which hormone is secreted by the colon and is anorexigenic?
What is the function of PYY: peptide YY in the lower intestine?
What is the function of PYY: peptide YY in the lower intestine?
Which hormone affects food intake and is secreted by the small intestine according to the information provided?
Which hormone affects food intake and is secreted by the small intestine according to the information provided?
