Psych

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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


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