Question 1

2 / 2 pts

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

áCaMKII

protein phosphatase 1

á protein kinase M zeta

AMPA

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.

serotonin

acetylcholine

dopamine

norepinephrine

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?

unlearning

forgetting

reconsolidation

extinction

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

hippocampus

amygdala

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 ______.

0

1

50

100

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 ______.

echolalia

literalism in language communication

microcephaly

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