Biological Psychology Exam Ch 8 + Ch 9 Questions and Answers 100% Pass

Biological Psychology Exam Ch 8 + Ch 9 Questions and Answers 100% Pass It appears from research with cats that one function of the messages from the pons to the spinal cord is to prevent us from ____. - acting out our dreams. An electroencephalograph displays - a net average of all the neurons' potentials (T or F) Orexin is not necessary for waking up, but it is for staying awake. - True Carlee's EEG recording shows a predominant amount of alpha waves. What is going on? - she is very relaxed but still awake (T or F) In response to emotionally arousing events, the locus coeruleus releases norepinephrine. - True Loss of orexin-containing neurons in the hypothalamus may contribute to ____. - narcolepsy Orexin, produced by neurons in the hypothalamus, appears to be necessary for - staying awake 2Brittie Donald, All Rights Reserved © 2025 (T or F) The activation-synthesis theory of dreams argues that dreams are the result of random brain activity. - True (T or F) Temporary sleep deprivation causes the body to respond in a similar manner as it does to being ill. - True Seth is currently is Stage 4 sleep. The next stage he will enter will most likely be - stage 3 A person's circadian activity cycle would most likely drift out of phase with the activity of other people if the person ____. - spends a period of time in seclusion, away from sunlight. What are the dreamlike experiences at the onset of sleep that are difficult to distinguish from reality? - Hypnagogic hallucinations (T or F) The biological clock depends on part of the hypothalamus, called the suprachiasmatic nucleus. - True (T or F) Alternation between wakefulness and sleep depends completely on stimuli in the environment - False (T or F) Professor Farris tells her class that the Suprachiasmatic Nucleus is found in the brain stem. - False 3Brittie Donald, All Rights Reserved © 2025 (T or F) Brandi tells her classmate that dreaming only occurs during REM sleep. - False A zeitgeber is a - environmental cue that resets a biological clock Which condition has often been interpreted as an intrusion of REM sleep into wakefulness? - narcolepsy A disruption of circadian rhythms due to crossing time zones is known as - jetlag Pamala has a fever of 107f. Her doctor is concerned because - at this temperature, she is starting to damage her own body cells (T or F) Orexin inhibits appetite. - False (T or F) Obese people tend to produce more insulin than people of normal weight. - True (T or F) Homeostasis refers to temperature regulation and other biological processes that keep body variables within a fixed range. - True What is the main site for absorption of digested food into the bloodstream? - small intestine Sodium-specific hunger is closely associated with ____. - hypovolemic thirst 4Brittie Donald, All Rights Reserved © 2025 A common misconception is that eating turkey increases the body's supply of ____, which enables the brain to make chemicals that make you sleepy. - tryptophran On average, people with bulimia show a variety of biochemical abnormalities, including increased production of - ghrelin Fructose, used in corn syrup as a sweetener, may lead to increased obesity by - failing to trigger satiety (T or F) The physiological changes that defend body temperature depend on areas in and near the hypothalamus. - True What kind of thirst is produced by an increased co