AP pysch unit 2 test
Which of the following would most likely result from an injury to the medulla?
A life-threatening disruption of heartbeat and breathing
The depletion of which of the following neurotransmitters is most closely associated with the symptoms of Alzheimer's disease?
Acetylcholine
Beth received a hemispherectomy to treat a seizure disorder when she was two years old. However, by the time she was five years old, her cognitive abilities were the same as those of a neurotypical five year old. Which of the following best explains her abilities?
Neuroplasticity
Which of the following provides information regarding brain function by monitoring the brain at work through metabolism of glucose?
PET
Which of the following is true of a neuron in the resting state?
The inside of the cell membrane is negative compared to the outside.
Split-brain research has illustrated which of the following?
The left hemisphere of the brain is responsible for language in most people.
the pituitary gland is controlled by the
hypothalamus
Which of the following neurotransmitters is most closely associated with schizophrenia?
Dopamine
A participant in a study of music perception listens to music with electrodes attached to her scalp while data are collected on the activity of her brain. This technique is called
EEG
Which of the following systems produces, circulates, and regulates levels of hormones in the body
Endocrine system
Which of the following is brain-imaging technique that produces the most detailed picture of brain structure?
MRI
Which of the following is an explanation of why travelers suffer from jet lag?
There is a disruption in their circadian rhythm.
Activation of the parasympathetic nervous system results in which of the following
a decrease in heart rate
the fight-or-flight response is most closely associated with the
adrenal glands
Information is relayed to the spinal cord or the brain by
afferent neurons
Which of the following correctly describes the firing of neurons?
all or none response
Activation of the sympathetic branch of the autonomic nervous system results in
an increase in respiratory rate
Curare blocks action at acetylcholine synapses and causes paralysis. This drug is an example of an
antagonist
Which of the following psychoactive drugs increases nervous system activity?
cocaine
In adult humans, which of the following is typically true of REM sleep?
correlated with dreaming
The network of structures involved in emotion, motivation, and memory is the
limbic system
The hypothesis that intelligence is in part inherited is best supported by the fact that the IQ correlation for
pairs of identical twins is greater than for pairs of fraternal twins
Joseph has blue eyes and brown hair and is tall. These characteristics are best described as
phenotypic traits
The function of dendrites is to
receive information from other neurons
Ben was enjoying a walk in the woods on a beautiful Saturday afternoon. As he went around a curve, he noticed a bear walking toward him. Immediately his pupils dilated, he began to perspire, and his heart accelerated. These changes are most closely related to the function of the
sympathetic nervous system
Nervousness can result in faster and more shallow breathing as well as a racing heart. This is due to activation of the
sympathetic nervous system
The sequence of shifts in the electrical charge of a neuron is called
the action potential
