ap psychology unit 2 test

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right hemisphere controls the

left side of the body

which lobe has to do with math and spatial reasoning

parietal

what lobe has sensory cortex

parietal lobe

If a body does not have enough potassium, how might that affect neuronal firing?

The neurons will struggle to fire because there will not be enough positively charged ions to trigger the firing of the neuron.

Which of the following describes what happens when a neuron sends a signal?

The neuron goes from being negatively charged to briefly being positively charged, and finally returns to being negatively charged again. The magnitude of the negative charge is fixed regardless of the strength of the input signal it receives.

A drug that is used to treat seizures functions by preventing inhibitory neurotransmitters from returning to the presynaptic neuron. This slows the rate of neurons firing by increasing the amount of the inhibitory neurotransmitter in the synapse. The drug is most likely to be classified as a

GABA reuptake inhibitor (GRI)

Which of the following best describes a major role of the thalamus?

It relays most sensory signals to the cortex.

Madeline has previously been diagnosed with major depressive disorder. She has an identical twin sister, Josephine, and a nonidentical sister, Abigail. Neither of Madeline's sisters have previously been diagnosed with major depressive disorder. Which of the following statements is true of Madeline's sisters?

Josephine is more likely to be diagnosed with major depressive disorder than Abigail in response to a stressful or traumatic event.

what happens at the synapse

One neuron sends a message to a target neuron--another cell

At a synapse, neurotransmitters released by the sending neuron do which of the following?

They bind to receptors at the receiving neuron, which opens ion channels.

What effect do agonists have?

They increase the likelihood that a postsynaptic neuron will fire.

An adult with a healthy sleep cycle is most likely to enter REM sleep

after cycling through the NREM sleep stages

Tyler and Hayden both often flew into a rage and started picking fights with each other.

amygdala (media temporal lobe) Processes fearful and threatening stimuli "fight or flight response"

A neuron sends a signal along its

axon

Antagonists function by

blocking receptors to prevent other neurotransmitters from binding to the neural receptors

The medulla oblongata is a part of the

brain stem

Sammy's speech was choppy, slow, and a grammatical mess.

brocas aphasia (broca's area, frontal lobe) responsible for speech production

Katie had problems coordinating her movement and keeping her balance.

cerebellum (back of brain) coordination

what do pons do

coordinate movements

Which hormone is released when a person is under stress?

cortisol

The psychodynamic theory of dreaming would postulate that

dreams fulfill unconscious wishes

The hormone most associated with the fight or flight response is

epinephrine

A person whose body is not producing enough testosterone is most likely to exhibit

fatigue

where is the frontal lobe

forehead

Lauren and Toni suffered from an impaired ability to plan, and make good judgments.

frontal lobe (directly behind the forehead) voluntary movement and expressive language

Danielle suffered from an inability to form new memories.

hippocampus (in the temporal lobe) learning and memory

Johnny often hits his brother even though his brother does not do anything to antagonize him. Johnny's aggression is most likely due to a combination of

his genetic makeup, the environment he grew up in, and the fact that aggression can be evolutionarily adaptive

Jeremy and Drew seemed to always be hungry and their temperatures ran high.

hypothalamus (undersurface of the brain) Keeps body's internal functions in balance . helps regulate appetite and body temperature

which hemisphere do deaf people use

left

which hemisphere is dominant

left

David lost the ability to move his right arm

left motor cortex (left side of the brain) Controls movement on right side of the body

Sara often kept falling asleep at odd times and in odd places.

pons (in the brain stem) respiratory rythym of breathing

The parietal lobe is most involved in

processing sensory information

which hemisphere acts as an autopilot

right

which hemisphere quickly recognizes people

right

left hemisphere controls the

right side of the body

GABA

seizures

where is the temporal lobe

side of head

Waking up frequently, loud snoring, silent pauses in breathing, and sleepiness during the day are symptoms of

sleep apnea

which lobe involves auditory learning

temporal

which lobe is easier to recognize faces

temporal

The phenomenon of declining physiological effects of taking a drug after sustained use is referred to as

tolerance

where is the parietal lobe

top to rear head

Wernicke's area function

understand speech

Natalie could no longer respond to her teacher because she didn't understand what she was asking.

wernickes aphasia (posterior third of the upper temporal convolution of the left hemisphere of the brain) comprehension of speech

where is the brocas area and what does it do

(frontal cortex) the motor speech area, speech production

Ruth and Debbie are identical twins who were raised by the same family. Vince and Frankie are identical twins who were separated at birth and raised by different families. According to research on the heritability of personality traits, Ruth's and Debbie's personalities are statistically

likely to be as similar and dissimilar to one another as are Vince's and Frankie's personalities

Amanda experienced irregularities in heartbeat and respiration rates.

medulla (base of the brain) breathing, blood flow, blood pressure, and heart rate

what does the hippocampus do

memory

The fatty casing that helps speed up the neural transmissions of a neuron is called the

myeilin sheath

what does the cerebellum control

nonverbal learning, memory, voluntary movements, and balance control

which lobe has to do with visual information

occipital


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