Chapter 9.3: Hunger Flashcards
If someone lacks the gene for digesting lactose, which of these outcomes is likely?
Discomfort after drinking milk
Which of the following is true?
Fish oils are beneficial for brain functioning
Which part of the body secretes CCK?
The duodenum
When food distended the duodenum, the duodenum releases the hormone CCK. By what peripheral mechanism (outside the brain) does it increase satiety?
CCK tightens the sphincter muscle between the stomach and the duodenum
Which of these does insulin do?
It helps glucose enter the cells
Which part of the body secretes leptin?
The duodenum
Which part of the brain is generally considered the master area for control of appetite?
The arcuate nucleus
Which part of the body secretes ghrelin?
The stomach
How do taste and ghrelin promote eating and arousal?
They increase inhibition from the arcuate nucleus to the paraventricular nucleus, an area that excites the lateral hypothalamus
If researchers could find a safe drug that stimulates melanocortin receptors, what would be the probable benefit?
Helping people lose weight
Cell bodies in the lateral hypothalamus are most important for which of the following?
Eating
How has the prevalence of obesity changed since the availability of high-fructose corn syrup and artificially sweetened diet beverages?
The prevalence of obesity has increased after the availability of both of these
Bulimia nervous has been compared to which of the following?
Drug addiction
Temperature regulation is a likely explanation of which aspect of anorexia?
Increased exercise
