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