Psych
Which of the following correctly describes the firing of neurons?
An all-or-none response
When a person is suffering from severe pain, the type of drug that will best help alleviate that pain is
An opiate
Malia is 10 years of age, and her grandmother, Anna Rosa, is 60 years old. Which statement is likely to be true concerning their sleep patterns?
Anna Rosa sleeps fewer hours per day than Malia does.
Which part of the nervous system is most immediately activated by sudden fear?
Sympathetic
What hormone seems to be most closely linked with aggressive behavior?
Testosterone
Immediately after firing, a neuron is incapable of responding to stimulation. This condition is referred to as
The absolute refractory phrase
The sequence of shifts in the electrical charge of a neuron is called
The action potential
Which of the following parts of the brain is most active in decision-making?
Cerebral Cortex
Caffeine and nicotine are in the same class as which of the following drugs?
Cocaine
The following item refers to a snake frightening Ted. Ted is hiking along a mountain trail when he sees a large snake slithering across the path ahead of him Which of the following brain structures is most closely associated with Ted's fear response?
Amygdala
A polygraph machine is often called a "lie detector," although it does not detect lies. Instead, it responds to changes in
Autonomic arousal
Which of the following correctly pairs subdivisions within the major divisions of the human nervous system?
Autonomic... sympathetic and parasympathetic
The area labeled X in the drawing below denotes which of the following structures? (Picture)
Axon terminals
Which of the following will NOT increase behavioral and mental activity?
Barbiturates
Area two of graph
Depolarization in which positive ions have excited the axon
In terms of the effect on the central nervous system, alcohol is most accurately classified as which of the following types of drug?
Depressant
A person with damage to Broca's area would most likely demonstrate which of the following symptoms?
Difficulty with speech production
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
Most glands in the human body are a part of which system?
Endocrine
After a stroke, Jeff has noticed his memory for past events remains good, but it is very difficult for him to remember new events like what movie he just watched. It is most likely that Jeff suffered damage to which part of the brain?
Hippocampus
The brain scans of people with amnesia are most likely to show damage to the
Hippocampus
For most people, speech functions are primarily localized in the
Left cerebral hemisphere
Damage to the cerebellum would most likely result in which of the following problems?
Loss of motor coordination
It is well established that certain autonomic responses such as heart rate, perspiration, and respiration change under stress. In view of the fact that people generally have stronger autonomic responses when lying than when telling the truth, it follows that the polygraph would be a foolproof approach to lie detection. Which statement best explains why the polygraph is not more widely used in courtrooms and in testing of job applicants?
Physiological arousal is much the same for several emotions, so the polygraph cannot always reliably distinguish guilt from other reactions.
A patient reports constant sleepiness. A series of tests reveal that the patient's sleep is frequently disrupted by periods of interrupted breathing and brief awakenings. Which of the following diagnoses would account for such symptoms?
Sleep apnea
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
Which of the following is an explanation of why travelers suffer from jet lag?
There is a disruption in their circadian rhythm.
A person will most likely develop aphasia as a result of damage to which of the following parts of the brain?
Wernicke's area
Many common antidepressants ease symptoms of depression by
inhibiting serotonin reuptake, which makes serotonin more available