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Exam 2: The Role of Biology in Psychology

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Question 51

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Which of the following best summarizes the main function(s) of your nervous system?

A) It allows the right side of your brain to communicate with the left side of your brain.
B) It regulates the oxygen in your blood, protects you from pain, and helps your body eliminate waste.
C) It allows you to receive sensory information, process that information, and then respond to it.
D) It produces vital bodily fluids such as bile and regulates the body's secretion of these fluids.

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Question 52

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When inactive, the electrical charge inside a neuron is slightly more negative than the electrical charge outside the neuron. This difference in the electrical charge inside and outside the neuron is the

A) action potential.
B) resting state.
C) inhibitory signal.
D) excitatory signal.

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Question 53

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A myelin sheath is a fatty layer that protects the axon, so it is most like the

The idea that the brain is extremely malleable and is continuously changing as a result of injury, experiences, or substances is known as

Benita is playing a very exciting video game and she finds that she wants to keep playing it more and more. Benita's desire is most likely activating the neurons in her brain that produce more of the neurotransmitter

The somatic nervous system processes information between the central nervous system and one's

Miranda is working in a laboratory and comes across a rat that is grossly overweight and seems unable to stop eating. The researcher tells Miranda that the rat has a brain lesion. Which part of the forebrain most likely has the lesion?

The dendrites are the part of the ________, where signals from neighboring neurons are received.

Marco has great difficulty walking due to uncontrollable tremors and shakiness. His doctor told him that this was due to a decreasing amount of a neurotransmitter in his brain. Which of the following neurotransmitters would be likely to cause this difficulty?

Teresa was out shopping when she suddenly started convulsing. While in the emergency room, her fried Eva explained to the doctor what she had witnessed, so the doctor ordered an electroencephalograph (EEG) to assess if Teresa may have experienced an epileptic seizure, given this test is used to study the ________ in the brain.

Chung started having trouble with his vision several months after experiencing a concussion. Chung's doctor found nothing wrong with his eyes, so he wanted to explore blood flow to the parts of the brain that process visual information. What modern brain imaging method must the doctor use to achieve this goal?

Mario is highly afraid of spiders. Which part of the brain would be activated if he were to enter a room that had a lot of spiders?

If your hand were to automatically jerk back after accidentally touching a hot kettle, which of the following nervous systems would be responsible for this moment?

Behavioral geneticists are primarily interested in

Because nicotine increases how the neurotransmitter acetylcholine functions, it is an

Graham went out for a walk on a cool, fall evening. He forgot to bring a sweater and started feeling cold. The ________ nervous system received the sensory information that the temperature outside was too cold.

When a neuron is stimulated enough, it

Lisa has problems sleeping, so she goes to a sleep clinic. At the clinic the researchers measure her brain's electrical activity as she sleeps by using the technique of

Visual information is primarily processed in the ________ lobes of the cerebral cortex.

While speaking to a large audience, Dr. Neuro states that the brain has plasticity. Your classmate turns to you and says, "I have no idea what plasticity means." Explain to your classmate what brain plasticity is and provide an example of brain plasticity.