AP Psych Unit 3 Test

What would most likely result from an injury to the medulla?

A life-threatening disruption of heartbeat and breathing

What is the mode of function of synaptic transmission?

A chemical messenger

Which of the following is not a part of a neuron? A. Synapses B. Dendrites C. Somas D. Axons E. Axon terminals

A. Synapses

Prozac has been shown to reduce depression primarily by...

Blocking reuptake and increasing the level of serotonin in the synapses

In the figure above, where do selective serotonin reuptake inhibitor's have their initial effect?

C

What is reduced during a fight-or-flight reaction?

Digestion

Which of the following conditions most often results from having an extra copy of chromosome 21?

Down syndrome

Stimulation of portions in the left temporal lobe of the brain during surgery will cause the patient to...

Hear sounds

When people consume large amounts of alcohol, they are often unable to recall what they did and said while they were drinking. This occurs because alcohol interferes with the brains ability to form new memories in the...

Hippocampus

If an individual has lost the ability to feel pain in the left arm, there is most likely damage to what area of the brain?

Right parietal lobe

The ability to recognize faces with the right hemisphere but not the left hemisphere best illustrates what?

Lateralization

The depletion of what neurotransmitter is most likely associated with the symptoms of Alzheimer's disease?

Acetylcholine

An individual was admitted to the hospital after experiencing a mild tingling on the right side of the face and a sudden inability to speak. Using magnetic resonance imaging (MRI), a doctor would likely find...

An abnormality in the brain tissue of the left hemisphere

What correctly describes the firing of neurons?

An all-or-none response

Mary participate in exercise program because she experiences an increase in energy and feelings of well-being at the end of each exercise session. The best explanation for Mary's perseverance in the program is that exercise...

An increase in her levels of endorphins

Difficulty in typing smoothly on a keyboard would most likely result from damage to the difficulty in typing smoothly on a keyboard would most likely result from damage to the...

Cerebellum

What is a major nerve-fiber pathway connecting the right and left hemisphere of the brain?

Corpus Callosum

The limbic system is most closely associated with what?

Emotions

In extreme cases, surgically severing the corpus callosum is a treatment for what condition?

Epilepsy

In 1848, Phineas Gage, a railroad construction foreman, survived with an explosion drove in iron rod through his head. The once friendly, soft-spoken Gage became irritable and dishonest. Gage's case provided evidence that which region of the brain plays a role in personality and behavior?

Frontal lobe's

Which of the following brain structures has the strongest influence on hunger and satiety?

Hypothalamus

After an electrode implanted in a cats brain stimulates the cats Amygdala, the cat will most likely do what?

Immediately withdraw in fear

The primary effect of the Myelin sheath is to:

Increase the velocity of conduction of the action potential along the axon

A particular group of brain cells seems to provide a basis for observational learning. Researchers call the specialized cells what?

Mirror neurons

The __________ __________ is controlled by the hypothalamus

Pituitary Gland

Which area of the brain is located in the brain stem and is involved in sleep and arousal, especially the REM stage of sleep (dreaming)?

Pons

What provides info regarding brain function by monitoring the brain at work through metabolism of glucose?

Positron Emission Tomography

The function of dendrites is to...

Receive information from other neurons

What are activities based in the left hemisphere of the brain?

Speech, analytical thinking, logical thinking, sequential thinking and reasoning

George wasn't Volvo in an incident and experienced headroom. Although his eyes were functioning normally, he was unable to see. Which area of the brain was most likely affected by the accident?

The Occipital lobe

A person will most likely develop aphasia as a result of damage to what part of the brain?

Wernicke's area