Tesqui 6
When do the secretions of melatonin begin?
A couple of hours before a person naturally falls asleep
When food distends the duodenum, the duodenum releases which hormone?
CCK
What is the name for an animal that eats only meat?
Carnivore
Anorexia is a problem of lack of appetite
False
Arousal seems to be regulated by a single structure in the brainstem
False
Damage to the lateral hypothalamus would increase feeding behavior
False
REM sleep is characterized by low frequency, low amplitude brain waves
False
What dies endogenous mean?
Generated from within
An animal refuses food and loses weight after damage to the:
Lateral hypothalamus
After a certain age, most mammals lose their ability to metabolize lactose because:
Levels of the enzyme lactase decline
The SCN produces circadian rhythms by altering
Production of proteins
According to the activation-synthesis hypothesis, what do dreams reflect?
The brain's attempt to make sense of spontaneous neural activity
What happens if people are put in an environment that is constantly light?
They complain that they cannot sleep
Biological clocks are very resistant to environmental influences
True
CCK limits meal size
True
Changes in EEG waves occur when neurons fire in synchrony
True
Conditioned taste aversions can develop after only one exposure to the food
True
Injections of leptin reduce eating in rats
True
The onset of sleep requires active brain processes
True
The majority of people with _____ are _____
anorexia; women