Olfactory receptor cells live for between four and six months and are not replaced once they die.
Answer the following statement true (T) or false (F)
False
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John participates in a drinking game at a friend's weekend party and after a while finds himself vomiting uncontrollably. Which of the following statements is the best description of John's situation?
A. There is nothing to worry about. Everybody vomits when they drink alcohol at parties. B. John's blood-brain barrier must be malfunctioning, as this normally would prevent the initiation of vomiting. C. John has ingested a dangerous amount of alcohol, and his area postrema has initiated vomiting in order to remove remaining alcohol from his stomach. D. John must have ingested other drugs in addition to alcohol, because alcohol alone will not initiate vomiting.
In cultures in which speed of thought, speech and decision-making are indicators of high
intelligence, older speakers are often at a disadvantage. This "communication predicament" can result in a. diminished self-esteem. b. social withdrawal. c. decline in communicative competence. d. all of the above
A(n) _____ stimulus is one that an animal will move away from
A) ?functional B) ?aversive C) ?appetitive D) ?imperative
Which of the following is an example of an obsession?
A. Spending hours sorting and resorting possessions B. Repeatedly checking the locks on all doors C. Constantly thinking about cleanliness and contamination D. Washing hands several times a day