AP Psychology Chapter 3 Jr 5

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Questions: 10 | Attempts: 865

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AP Psychology Quizzes & Trivia

Questions and Answers
  • 1. 

    What part of the nervous system secretes neurotransmitters?

    • A.

      Axon

    • B.

      Dendrites

    • C.

      Terminal Button

    • D.

      Soma

    • E.

      Glia

    Correct Answer
    C. Terminal Button
    Explanation
    The terminal button is responsible for secreting neurotransmitters. These small structures are located at the end of the axon and are responsible for transmitting signals to other neurons or cells. When an action potential reaches the terminal button, it triggers the release of neurotransmitters into the synapse, allowing for communication between neurons. Therefore, the terminal button plays a crucial role in transmitting information throughout the nervous system.

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  • 2. 

    When stimulation is caused the cell membrane opens briefly and

    • A.

      Lets out carbon

    • B.

      Loses charge

    • C.

      Negatively charged potassium ions enters in

    • D.

      Positively charges sodium ion flow in

    • E.

      Both C and D

    Correct Answer
    D. Positively charges sodium ion flow in
    Explanation
    When stimulation is caused, the cell membrane opens briefly and allows the flow of positively charged sodium ions into the cell. This influx of positively charged ions helps to depolarize the cell membrane and generate an action potential, which is essential for the transmission of signals in the nervous system.

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  • 3. 

    With in the Automatic nervous system the sympathetic controls one's 

    • A.

      Ability to feed

    • B.

      Ability to fight or flight

    • C.

      Unconscious

    • D.

      Ability to fight or feed

    • E.

      Non of the above

    Correct Answer
    B. Ability to fight or flight
    Explanation
    The sympathetic division of the autonomic nervous system is responsible for activating the body's fight or flight response. This response prepares the body for intense physical activity in response to a perceived threat or danger. It increases heart rate, dilates blood vessels, and releases stress hormones like adrenaline. This allows the body to either confront the threat or escape from it. Therefore, the correct answer is "ability to fight or flight."

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  • 4. 

    The forebrain is the region in which processes 

    • A.

      Blood flow

    • B.

      Complicated thoughts

    • C.

      Sensory information

    • D.

      The fight or flight concept

    • E.

      Vital involuntary functions

    Correct Answer
    B. Complicated thoughts
    Explanation
    The forebrain is responsible for processing complicated thoughts. It is the largest region of the brain and is involved in higher cognitive functions such as reasoning, problem-solving, decision-making, and memory. This region contains the cerebral cortex, which is responsible for processing sensory information and integrating it with other cognitive processes. Therefore, the forebrain plays a crucial role in our ability to think, understand, and analyze complex information.

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  • 5. 

    The part of the brain that regulates unconscious functions is the

    • A.

      Pons

    • B.

      Hypothalamus

    • C.

      Reticular formation

    • D.

      Medulla

    • E.

      Thalamus

    Correct Answer
    D. Medulla
    Explanation
    The medulla is responsible for regulating unconscious functions in the brain. It controls vital functions such as breathing, heart rate, and blood pressure. It also helps in regulating reflexes and coordinating muscle movements. The medulla is located at the base of the brainstem and connects the spinal cord to the rest of the brain. It plays a crucial role in maintaining homeostasis and ensuring the body functions properly without conscious effort.

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  • 6. 

    The neurotransmitter that affect ones emotions; arousal; and learning is

    • A.

      Dopamine

    • B.

      Serotonin

    • C.

      GABA

    • D.

      Endorphins

    • E.

      ACH

    Correct Answer
    A. Dopamine
    Explanation
    Dopamine is a neurotransmitter that plays a crucial role in regulating emotions, arousal, and learning. It is involved in the reward and pleasure pathways of the brain, influencing motivation, mood, and cognition. Dopamine helps in reinforcing positive behaviors and is associated with feelings of pleasure and satisfaction. Imbalances in dopamine levels have been linked to various psychological disorders, including depression, addiction, and schizophrenia. Therefore, dopamine is the correct answer as it directly affects emotions, arousal, and learning.

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  • 7. 

    When neurons come towards the CNS it is called

    • A.

      Efferent

    • B.

      Afferent

    • C.

      Agonist

    • D.

      Both A and B

    • E.

      None of the above

    Correct Answer
    B. Afferent
    Explanation
    When neurons come towards the CNS, it is referred to as afferent. Afferent neurons transmit sensory information from the body's periphery to the central nervous system. These neurons carry signals related to touch, pain, temperature, and other sensory modalities. The term "afferent" can be remembered by associating it with the phrase "arriving at" or "approaching" the CNS. Therefore, the correct answer is afferent.

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  • 8. 

    When two traits are same in references to genetics what is that called

    • A.

      Dominate

    • B.

      Recessive

    • C.

      Homozygous

    • D.

      Heterozygous

    • E.

      None of the above

    Correct Answer
    C. Homozygous
    Explanation
    When two traits are the same in references to genetics, it is called homozygous. Homozygous refers to having two identical alleles for a particular gene. In this case, both alleles for the trait are the same, which means that the individual is homozygous for that trait.

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  • 9. 

    In the endocrine system the gland that controls sugar metabolism is the 

    • A.

      Pituitary gland

    • B.

      Thyroid gland

    • C.

      Gonads

    • D.

      Adrenal gland

    • E.

      Pancreas

    Correct Answer
    E. Pancreas
    Explanation
    The correct answer is pancreas because it is responsible for producing insulin, a hormone that helps regulate blood sugar levels. Insulin allows cells to take in glucose from the bloodstream and use it for energy or store it for later use. Without sufficient insulin, blood sugar levels can become too high, leading to diabetes. Therefore, the pancreas plays a crucial role in controlling sugar metabolism in the body.

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  • 10. 

    What brain research method uses magnetic fields, radio waves to give you computer enhance images of the brain 

    • A.

      Ct scan

    • B.

      MRI

    • C.

      TMS

    • D.

      EEG

    • E.

      Lesioning

    Correct Answer
    B. MRI
    Explanation
    MRI stands for Magnetic Resonance Imaging, which is a brain research method that uses magnetic fields and radio waves to generate detailed images of the brain. It provides computer-enhanced images that allow researchers to study the structure and function of the brain. MRI is a non-invasive technique and is widely used in neuroscience research to investigate various brain disorders and abnormalities. It is particularly useful in identifying structural changes, such as tumors or lesions, and studying brain activity in different regions. Therefore, MRI is the correct answer for the given question.

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