Unit 2 review
Researchers looking to create a drug to reduce the symptoms of Alzheimer's disease would most likely focus their efforts on which of the following neurotransmitters?
Acetylcholine
Which of the following is brain-imaging technique that produces the most detailed picture of brain structure?
MRI
The hypothesis that intelligence is in part inherited is best supported by the fact that the IQ correlation for
N/a
Which of the following would most likely result from an injury to the medulla?
a life-threatening disruption to heartbeat and breathing
Damage to the cerebellum would most likely result in which of the following problems?
a loss in motor coordination
Reuptake of a neurotransmitter refers to
absorption of the neurotransmitter into the terminal buttons of the sending neuron
Which of the following is reduced during a fight-or-flight reaction?
blood flow
Caffeine and nicotine are in the same class as which of the following drugs?
cociane
In adult humans, which of the following is typically true of REM sleep?
coorelated to dreams
Activation of the parasympathetic nervous system results in which of the following?
decrease in heart rate
In terms of the effect on the central nervous system, alcohol is most accurately classified as which of the following types of drug?
depressant
Which of the following neurotransmitters has been linked to Parkinson's disease and schizophrenia?
dopamine
Most glands in the human body are a part of which system?
endocrine system
Painkilling substances produced by the brain are known as
endorphins
The primary effect of the myelin sheath is to
increase the velocity of conduction of the action potential along the axon
Dopamine, norepinephrine, and acetylcholine are all
neurotransmitters that excite
Which of the following is true of a neuron in the resting state?
potassium higher than sodium
The function of dendrites is to
receive incoming signals from other neurons
Immediately after firing, a neuron is incapable of responding to stimulation. This condition is referred to as
refractory phase
During the night, Alicia stops breathing repeatedly, frequently gasps for air, and snores loudly at regular intervals. Alicia is most likely suffering from which of the following conditions?
sleep apnea
A person with damage to Broca's area would most likely demonstrate which of the following symptoms?
speech production
Which part of the nervous system is most immediately activated by sudden fear?
sympathetic
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
Neurotransmitters are typically stored in which of the following parts of a neuron?
the terminal buttons
An individual with damage to Wernicke's area is most likely to have difficulty
understanding language