100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
PSY 121 Exam 2- Chapter 2- Neuroscience and the Biology of Behavior, Chapter 3- Exam Questions and Answers $14.99   Add to cart

Exam (elaborations)

PSY 121 Exam 2- Chapter 2- Neuroscience and the Biology of Behavior, Chapter 3- Exam Questions and Answers

 3 views  0 purchase
  • Course
  • PSY 121
  • Institution
  • PSY 121

PSY 121 Exam 2- Chapter 2- Neuroscience and the Biology of Behavior, Chapter 3- Exam Questions and Answers

Preview 4 out of 46  pages

  • November 7, 2024
  • 46
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PSY 121
  • PSY 121
avatar-seller
Zanaya
PSY 121 Exam 2- Chapter 2-
Neuroscience and the Biology of
Behavior, Chapter 3- Sensation and
Perception, Chapter 12- Stress and
Health




Which part of the neuron improves the speed of the neural impulse? - Answer-Myelin sheath



What is the brief electrical impulse that travels down the axon called? - Answer-Action potential



At its resting state, the outside of a neuron is more ______________ than the inside of the neuron. -
Answer-positively charged



An action potential occurs when the inside of a cell becomes more __________ charged and the
___________ charge moves down the axon. - Answer-positively; electrical



In the process of neurotransmission, the action potential causes neurotransmitters to be released from
the ______________ into the _______________. - Answer-synaptic vesicles; synapse

,Danny has terrible migraines that interfere with his ability to complete his work. He just learned from his
psychology class that the migraines could be caused by an overabundance of which neurotransmitter? -
Answer-Glutamate



A drug like nicotine that produces a biological response in the brain is called a(n) ______________. -
Answer-agonist



Clayton incurred a spinal cord injury, and the doctors wanted to enroll him in a clinical trial that used
stem cells in the treatment. Stem cells are special because they can
______________________________. - Answer-turn into other specialized cells in the body



When you touch a hot stove and immediately withdraw your hand, it is called a ________ and is the
result of interneurons within the __________. - Answer-reflex; spinal cord



Chemical substances in the body that regulate bodily activities such as growth, metabolism, and sexual
reproduction are called ____________. - Answer-hormones



The endocrine system consists of many glands that release hormones for different functions. Which
gland is considered the master gland that communicates with all the other glands? - Answer-Pituitary
gland



Javier has been complaining of being fatigued, cold, and depressed lately. His doctor decides to run
some tests on his endocrine system. What condition might the doctor test for given his symptoms? -
Answer-Hypothyroidism



Tomas has been playing the piano since age 5. Throughout his adolescence, he also taught himself to
play guitar, bass, and the drums. Due to his practice with musical instruments, Tomas's brain would
show improved ________. - Answer-synaptic plasticity

,A doctor wants detailed pictures of the structures in a patient's brain but doesn't want to expose the
patient to any radiation. What would be the best method of assessment for the doctor to use? -
Answer-Magnetic resonance imaging (MRI)



Samson is a client in a sleep lab and is going to have his brain wave activity measured while sleeping. He
will have electrodes placed all over his skull so that the test can measure his brain activity. This type of
test is called ______. - Answer-electroencephalogram (EEG)



What part of the brain allows us to detect danger even below the level of conscious awareness? -
Answer-Amygdala



The cerebral cortex is divided into ___________ lobes with the ____________ lobe at the back of the
head. - Answer-four; occipital



Sophie has entered her first spelling bee. In addition to studying from a long list of words, she spends
time planning how to psyche out her competitors on the big day. Which lobe of her brain would she
primarily be using during these activities? - Answer-Frontal



Which structure in the limbic system is responsible for voluntary movement and coordination? -
Answer-Basal ganglia



Andre suffered brain damage from an accident at work. Since his accident, he seems to be unaware of
his own body parts and at times unable to feel pain. Which lobe of his brain is likely to have incurred
damage? - Answer-Parietal



Yuna loves to play soccer and is an aggressive player who will head the ball as often as she can. Her
parents have noticed that she has been forgetting to turn in assignments and forgetting when she is
supposed to hang out with friends. They are concerned because ________________. - Answer-recent
research has suggested that heading the ball can lead to memory problems.

, What is the name for the band of axons that connects the right hemisphere of the brain to the left
hemisphere? - Answer-Corpus callosum



For most people, language is processed in which hemisphere of the brain? - Answer-left



Jaselyn has a pair of heterozygous genes for a "widow's peak" hairline. What kind of hairline will she
inherit? - Answer-A widow's peak hairline



The complete set of instructions for our physical and psychological characteristics is called our
_______________. - Answer-genome



Twin sisters Leah and Lily know they have the genetics for heart disease. Both sisters like to exercise, but
Lily also has a high-stress job and only sleeps four hours a night. Leah is a yoga instructor and eats a
mostly vegetarian diet. The field of epigenetics would suggest - Answer-the environment has the ability
to change gene expression, so both women can change their risk of developing heart disease.



A person's genetic makeup is referred to as ___________, whereas the observable traits that are
expressed from genes is referred to as ___________. - Answer-genotype; phenotype



Grady was adopted shortly after birth into a loving home. Neither of his adopted parents drank alcohol
or did any drugs. Throughout his adolescence and into adulthood, Grady struggled with substance
abuse. He eventually found out that his biological mother was an alcoholic for her entire life. What does
this scenario suggest? - Answer-There is likely a strong genetic explanation for Grady's substance abuse.



The cell body that contains the nucleus, which includes DNA and other structures that support the
neuron, is called the ___________. - Answer-soma



The structures that extend out from the axon and release chemicals into the space between neurons are
called ___________. - Answer-terminal buttons

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Zanaya. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

80364 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$14.99
  • (0)
  Add to cart