Question 1

2 / 2 pts

Which of the following enzyme protein “cleans house” in the brain by removing nonstrengthened memories?




protein phosphatase 1


á protein kinase M zeta




Question 2

2 / 2 pts

When presynaptic neurons are active and postsynaptic neurons fire at the same time, ______.


one cancels the effects of the other


the synapse is strengthened


no neurotransmitter is released


the action potential is inhibited


Question 3

2 / 2 pts

Blocking receptors for this neurotransmitter shortly after learning has taken place impairs consolidation and memory.










Question 4

2 / 2 pts

According to projected estimates, the cost of caring for Alzheimer’s and other dementia patients in the U.S. will be ______.


$259 billion


$249 billion


$259 million


$249 million


Question 5

2 / 2 pts

All of the following are environmental risks when it comes to epigenetic changes linked to Alzheimer’s EXCEPT ______.


pesticides and fertilizers


vitamin D deficiency


herbicides and insecticides


secondhand smoke


IncorrectQuestion 6

0 / 2 pts

Why are laboratory models of Alzheimer’s finding difficulty replicating the disease completely?


Amyloid plaques can be produced, but not neurofibrillary tangles.


Neurofibrillary tangles can be produced, but not amyloid plaques.


Plaques and tangles can be produced, but not amyloid and tau.


Amyloid plaques can be produced, amyloid and tau.


IncorrectQuestion 7

0 / 2 pts

Which of the following is not one of the ways in which a memory remains stable yet malleable?










Question 8

2 / 2 pts

Which of the following statements regarding Alzheimer’s disease is FALSE?


It is the 6th leading cause of death in the United States.


It can lead to behavioral problems, such as aggression.


The individual usually does not have trouble remembering what happened the day before.


The individual often repeats the same questions during a conversation.


Question 9

2 / 2 pts

Brain damage that is limited to hippocampal area CA1 results in ______.


moderate anterograde amnesia and profound retrograde amnesia


moderate anterograde amnesia and minimal retrograde amnesia


profound anterograde amnesia and profound retrograde amnesia


profound anterograde amnesia and minimal retrograde amnesia


Question 10

2 / 2 pts

Hippocampus is to brain as ______.


hard drive is to computer


display is to smart phone


RAM is to computer


SD card is to tablet


Question 11

2 / 2 pts

At which part(s) of the neuron do the clumps of beta amyloid cluster?


where signals are received


where signals are processed


where action potentials occur


where neurotransmitters are released


Question 12

2 / 2 pts

Your great uncle Ryan, at 70 years of age, is starting to show signs of memory problems. He has difficulty remembering where he left his wallet and keys and sometimes cannot recall the names of his grandkids. If you know he has a good diet and does not drink or smoke, what disorder can you definitively rule out?


Alzheimer’s disease


Parkinson’s disease


Huntington’s disease


Korsakoff’s syndrome


IncorrectQuestion 13

0 / 2 pts

Your grandmother unfortunately had a stroke over the weekend. You take her to the doctor, and the doctor says that despite some memory loss, her nondeclarative memory will be fine. With what form of memory will your grandmother likely NOT have any deficits?


picture memory


memory for facts


memory for skills


memory for events


Question 14

2 / 2 pts

Many of the genes implicated in ADHD code for which neurotransmitters?


dopamine, serotonin, and acetylcholine


dopamine, serotonin, and norepinephrine


serotonin, acetylcholine, and norepinephrine


norepinephrine, dopamine, and glutamate


Question 15

2 / 2 pts

A strain of mice engineered with a third copy of a critical chromosome 21 region produced ______.


less of two proteins that support neural survival


toxins that caused a buildup of neurofibrillary tangles


an abnormally high amount of dihydrotestosterone


symptoms that mimicked Korsakoff’s syndrome


Question 16

2 / 2 pts

In a memory task that activates the increased activity in the right prefrontal cortex in young adults, older adults who perform the same task just as well show activation in ______.


the right prefrontal cortex


the left prefrontal cortex


both the right and left prefrontal cortices


the right prefrontal cortex and left temporal lobe


Question 17

2 / 2 pts

Someone with ASD might think that other people can read minds, because they can correctly predict what someone else is about to do. This is because individuals with ASD lack a ______.


sense of self


theory of mind






Question 18

2 / 2 pts

One possible explanation for the deficits in social, language, and emotional functioning among autistic individuals is ______.


overgrowth of frontal and temporal brain areas during development


lack of growth in frontal and temporal brain areas during development


overactivation of frontal and temporal brain areas during specific tasks


decreased gray matter volume in the prefrontal and temporal brain areas


Question 19

2 / 2 pts

Individuals with fragile X syndrome typically have an IQ below ______, while those with phenylketonuria show an IQ level of about ______.


50; 100


100; 50


20; 75


75; 20


Question 20

2 / 2 pts

IQ test scores were originally designed so that if an individual is about as intelligent as others of the same age, then the IQ score was ______.










Question 21

2 / 2 pts

If a team of researchers studied your brain because you scored abnormally high in intellectual g, what would they find?


a smaller brain


a brain with a larger parietal lobe


a brain that had an efficient network connecting frontal, parietal, and temporal lobes


a brain with larger sulci


Question 22

2 / 2 pts

When a person says, “I do not understand how people can communicate just by looking at each other. It’s as though they can read each other’s thoughts,” he/she shows evidence of ______.




literalism in language communication




lack of theory of mind


Question 23

2 / 2 pts

If you were doing some basic arithmetic to figure out how much money to tip a server for good (15%) or excellent (20%) service in your head, what part of your brain would be most active?


both parietal lobes


left prefrontal cortex


insular cortex


anterior cingulate cortex


IncorrectQuestion 24

0 / 2 pts

Which of the following is TRUE regarding individuals with damage to their parietal lobes?


They can arrange numbers in rank order but cannot perform precise calculations.


They can estimate results but cannot perform precise calculations.


They can perform precise calculations but cannot arrange numbers in rank order.


They cannot estimate results or perform precise calculations.


Question 25

2 / 2 pts

Little Zoë still uses her fingers to count 2 + 3, while her older brother Zach automatically knows the answer is 5. Zoey is using her ______, and Zach is using his ______.


prefrontal lobe; parietal lobe


prefrontal lobe; frontal lobe


parietal lobe; parietal lobe


parietal areas; left frontal area

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