Our Brain And Our Behavior - The Biopsychology Quiz

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  • 1/35 Questions

    The study of how biological processes relate to behavior is called

    • Physiology
    • Psychology
    • Biopsychology
    • Physiopsychology
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About This Quiz

Biopsychology is a branch of psychology that analyzes how the brain, neurotransmitters, and other aspects of our biology influence our behaviors, thoughts, and feelings.
Our Brain and our Behavior - The Biopsychology Quiz

Our Brain And Our Behavior - The Biopsychology Quiz - Quiz

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  • 2. 

    Which of the following parts of a neuron is responsible for carrying information away from one end of a neuron to the other? 

    • Dendrite

    • Axon

    • Soma

    • Axon terminal

    Correct Answer
    A. Axon
    Explanation
    The axon is responsible for carrying information away from one end of a neuron to the other. It is a long, slender projection of a neuron that conducts electrical impulses away from the cell body. The axon is covered by a myelin sheath, which helps to speed up the transmission of signals. At the end of the axon, there are axon terminals that release neurotransmitters, allowing the signal to be transmitted to other neurons or target cells.

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  • 3. 

    Which is the message-receiving part of the neuron?

    • Dendrite

    • Axon

    • Soma

    • Axon terminal

    Correct Answer
    A. Dendrite
    Explanation
    The dendrite is the message-receiving part of the neuron. It is responsible for receiving signals from other neurons and transmitting them to the soma (cell body) of the neuron. The dendrites have numerous branches and are covered in synapses, which allow for communication between neurons. This allows the dendrites to receive information from multiple sources and integrate it before transmitting it to the soma for further processing.

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  • 4. 

    Another name for the nerve impulse is the

    • Resting potential

    • Action potential

    • Threshold

    • Ion channel

    Correct Answer
    A. Action potential
    Explanation
    The nerve impulse is commonly known as the action potential. It refers to the electrical signal that is generated and transmitted along a nerve cell, allowing for communication between different parts of the body. The action potential is a result of the movement of ions across the cell membrane, leading to a change in the electrical potential of the cell. This change in potential allows for the propagation of the nerve impulse along the length of the neuron. Therefore, the term "action potential" is synonymous with the nerve impulse.

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  • 5. 

    An action potential is likely to occur when

    • The neuron reaches its resting potential

    • The neuron reaches threshold

    • Potassium ions enter into the axon

    • The negative after-potential is reached

    Correct Answer
    A. The neuron reaches threshold
    Explanation
    An action potential is likely to occur when the neuron reaches threshold. This is because reaching threshold means that the membrane potential of the neuron has reached a certain level of depolarization, which triggers the opening of voltage-gated sodium channels and the influx of sodium ions. This influx of positive charges causes a rapid depolarization of the neuron, leading to the generation of an action potential. Therefore, reaching threshold is a crucial step in the initiation of an action potential.

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  • 6. 

    What happen at the synapse?

    • The neuron touches the next neuron, releasing its message.

    • An electrical message jumps from one neuron to the next.

    • The neuron extends cilia to the receiving neuron.

    • The neuron releases chemicals called neurotransmitters onto the surface of the receiving neuron.

    Correct Answer
    A. The neuron releases chemicals called neurotransmitters onto the surface of the receiving neuron.
    Explanation
    At the synapse, the neuron releases chemicals called neurotransmitters onto the surface of the receiving neuron. This process allows for communication between neurons. The neurotransmitters are released from the presynaptic neuron and bind to receptors on the postsynaptic neuron, transmitting the signal from one neuron to the next. This is how information is passed along in the nervous system.

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  • 7. 

    Receptor sites are found on which of the following ?

    • Dendrites

    • Terminal branches

    • Nucleus

    • None of the above

    Correct Answer
    A. Dendrites
    Explanation
    Receptor sites are found on dendrites. Dendrites are the branch-like extensions of a neuron that receive signals from other neurons and transmit them towards the cell body. Receptor sites on dendrites are responsible for binding neurotransmitters released by other neurons, allowing for the transmission of information between neurons. Terminal branches are responsible for transmitting signals to other neurons, while the nucleus contains the cell's genetic material and is not directly involved in receiving signals. Therefore, the correct answer is dendrites.

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  • 8. 

    Myelin is

    • A fatty layer coating the axon.

    • A bundle of neuron fibers.

    • The space between two neurons.

    • A feeling of uneasiness.

    Correct Answer
    A. A fatty layer coating the axon.
    Explanation
    Myelin is a fatty layer coating the axon. This coating acts as an insulator and helps to speed up the transmission of electrical signals along the axon. It also provides protection and support to the axon. Without myelin, the electrical signals would be slower and less efficient, leading to impaired communication between neurons and potential neurological disorders.

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  • 9. 

    An example of neuropeptide is

    • Serotonin.

    • Dopamine.

    • Enkephalins.

    • Acetylcholine.

    Correct Answer
    A. Acetylcholine.
    Explanation
    Acetylcholine is an example of a neuropeptide. Neuropeptides are small proteins that act as neurotransmitters in the brain and nervous system. Acetylcholine is involved in various cognitive functions such as memory, learning, and muscle movement. It is also found in the autonomic nervous system and plays a role in regulating heart rate, digestion, and other bodily functions. Serotonin and dopamine are neurotransmitters but not neuropeptides, while enkephalins are endogenous opioids.

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  • 10. 

    Which part of the nervous system is being utilized as you sit in class and write your notes?

    • Somatic

    • Autonomic

    • Sympathetic

    • Parasympathetic

    Correct Answer
    A. Somatic
    Explanation
    The somatic nervous system is being utilized as you sit in class and write your notes. This part of the nervous system controls voluntary movements and sensory information from the body. It allows you to consciously move your muscles and perform tasks such as writing. The autonomic nervous system, on the other hand, controls involuntary functions such as heart rate and digestion. The sympathetic and parasympathetic divisions are part of the autonomic nervous system and regulate the body's response to stress and relaxation, respectively.

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  • 11. 

    Which division of the nervous system is the "fight or flight" system?

    • Somatic

    • Autonomic

    • Sympathetic

    • Parasympathetic

    Correct Answer
    A. Sympathetic
    Explanation
    The "fight or flight" response is a physiological reaction triggered in response to a perceived threat or danger. This response is controlled by the sympathetic division of the autonomic nervous system. The sympathetic division prepares the body for action by increasing heart rate, dilating blood vessels, and releasing stress hormones. Therefore, the correct answer is sympathetic.

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  • 12. 

    Which technique for studying the brain involves the destruction of brain cells with an electrical current ?

    • Ablation

    • Deep lesioning

    • EEG

    • MRI

    Correct Answer
    A. Deep lesioning
    Explanation
    Deep lesioning is a technique for studying the brain that involves the destruction of brain cells with an electrical current. This method is used to selectively target and remove specific brain regions or structures in order to study the effects on behavior and function. By creating lesions in the brain, researchers can observe the resulting changes and gain insights into the role of different brain areas in various processes and functions.

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  • 13. 

    A(n) _________ works by injecting radioactive glucose to determine which areas of the brain are most active during a task.

    • CT scan

    • PET scan

    • MRI

    • EEG

    Correct Answer
    A. PET scan
    Explanation
    A PET scan, or Positron Emission Tomography scan, is a medical imaging technique that uses a radioactive substance, such as glucose, to visualize the metabolic activity of organs and tissues in the body. In the context of the question, a PET scan is used to determine the areas of the brain that are most active during a task by injecting radioactive glucose. This is because active regions of the brain require more glucose for energy, and the radioactive substance can be detected by the PET scanner to create a visual representation of brain activity.

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  • 14. 

    The left hemisphere is responsible for

    • Patter recognition

    • Drawing pictures

    • Detecting and expressing emotions

    • Language and math

    Correct Answer
    A. Language and math
    Explanation
    The left hemisphere of the brain is responsible for language and math. This is because language processing, including speech production and comprehension, is primarily controlled by the left hemisphere. Additionally, mathematical abilities, such as numerical processing and problem-solving, are also predominantly localized in the left hemisphere.

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  • 15. 

    Susan was in an accident and experienced brain damage resulting in her having problems understanding spoken words. It is probable that she damaged which part of her brain?

    • The frontal lobe

    • Broca's region

    • Wernicke's area

    • The temporal lobe

    Correct Answer
    A. Wernicke's area
    Explanation
    Wernicke's area is responsible for language comprehension and understanding spoken words. Since Susan is experiencing difficulties in understanding spoken words after her accident, it is probable that she has damaged her Wernicke's area.

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  • 16. 

    Which of the following is TRUE about the somatosensory area?

    • The larger the area devoted to a particular body part, the more refined the movement.

    • The larger the are devoted to a particular body part, the more sensitive the part of the body.

    • The smaller the area devoted to a particular body part, the more refined movement.

    • It is an association area of the brain.

    Correct Answer
    A. The larger the are devoted to a particular body part, the more sensitive the part of the body.
    Explanation
    The somatosensory area is responsible for processing sensory information from the body, such as touch, temperature, and pain. The statement that the larger the area devoted to a particular body part, the more sensitive the part of the body is true because a larger area allows for a greater number of sensory receptors to be present, leading to a higher sensitivity to stimuli in that body part. This increased sensitivity allows for more precise discrimination and detection of sensory information.

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  • 17. 

    A person who has difficulty with word expression, saying "seep" instead of "sleep," probably has damage to

    • Broca's area

    • Wenicke's area

    • The cerebral cortex

    • Corpus callosum

    Correct Answer
    A. Broca's area
    Explanation
    A person who has difficulty with word expression, saying "seep" instead of "sleep," probably has damage to Broca's area. Broca's area is located in the frontal lobe of the brain and is responsible for the production of speech. Damage to this area can result in a condition known as Broca's aphasia, which impairs the ability to speak fluently and correctly form words and sentences. This can lead to difficulties in word expression and pronunciation, such as substituting similar sounding words like "seep" instead of "sleep."

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  • 18. 

    With regard to the motor cortex, which of the following would get more area of cortex devoted to its functioning?

    • Ear

    • Nose

    • Hand

    • Shin

    Correct Answer
    A. Hand
    Explanation
    The hand would get more area of the motor cortex devoted to its functioning. This is because the motor cortex is responsible for controlling voluntary movements, and the hand is involved in complex and fine motor movements. The hand has a greater number of muscles and joints compared to the ear, nose, and shin, which require more precise control and coordination. Therefore, a larger area of the motor cortex is dedicated to the hand's functioning.

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  • 19. 

    An inability to recognize familiar faces is known as

    • Aphasia

    • Agnosia

    • Facial agnosia

    • Unilateral neglect

    Correct Answer
    A. Facial agnosia
    Explanation
    Facial agnosia refers to the inability to recognize familiar faces. This condition is characterized by a difficulty in identifying and remembering faces, even those of close friends and family members. People with facial agnosia may have trouble distinguishing between different faces or may not be able to recognize their own reflection in a mirror. This condition is often caused by damage to the brain, particularly in the areas responsible for facial recognition and memory. It can have a significant impact on social interactions and daily life, as recognizing faces is an important aspect of human communication.

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  • 20. 

    Which of the following is most vital to survival?

    • Medulla

    • Occipital lobe

    • Wernicke's area

    • Joshua's region

    Correct Answer
    A. Medulla
    Explanation
    The medulla is the correct answer because it is an essential part of the brainstem responsible for controlling vital functions such as breathing, heart rate, and blood pressure. Without the medulla, these automatic processes necessary for survival would not be regulated, leading to life-threatening consequences. The occipital lobe is responsible for processing visual information, Wernicke's area is involved in language comprehension, and Joshua's region is not a recognized anatomical term.

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  • 21. 

    Which brain area is damaged if a person experiences loss of coordination and balance ?

    • Medulla

    • Pons

    • Cerebellum

    • Reticular formation

    Correct Answer
    A. Cerebellum
    Explanation
    The cerebellum is the brain area responsible for coordinating movement and maintaining balance. When it is damaged, a person may experience loss of coordination and balance. The cerebellum receives information from the sensory systems, spinal cord, and other parts of the brain to fine-tune motor movements. Damage to this area can result in unsteady gait, difficulty with fine motor skills, and problems with balance and coordination.

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  • 22. 

    Which brain area is involved in sleep and arousal, and connects the lower brain to the upper brain ?

    • Medulla

    • Pons

    • Cerebellum

    • Reticular formation

    Correct Answer
    A. Pons
    Explanation
    The pons is the correct answer because it is a brain area that is involved in both sleep and arousal. It also serves as a bridge that connects the lower brain to the upper brain. The pons plays a crucial role in regulating sleep-wake cycles and coordinating communication between different areas of the brain.

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  • 23. 

    If the ________ is damaged, you can lose your hearing, sight, sense of touch, or taste

    • Hippocampus

    • Amygdala

    • Hypothalamus

    • Thalamus

    Correct Answer
    A. Thalamus
    Explanation
    The thalamus is a crucial part of the brain that acts as a relay station, transmitting sensory information from the body to the cerebral cortex. It plays a vital role in processing and relaying sensory signals such as hearing, sight, touch, and taste to the appropriate regions of the brain for further interpretation. If the thalamus is damaged, it can disrupt the transmission of these sensory signals, leading to a loss of hearing, sight, sense of touch, or taste.

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  • 24. 

    Damage to the _________ might result in amnesia

    • Hippocampus

    • Amygdala

    • Hypothalamus

    • Thalamus

    Correct Answer
    A. Hippocampus
    Explanation
    Damage to the hippocampus might result in amnesia because the hippocampus is a crucial region in the brain for the formation and retrieval of memories. It plays a vital role in converting short-term memories into long-term memories and is involved in spatial memory and navigation. Damage to the hippocampus can lead to difficulties in forming new memories or retrieving old ones, resulting in amnesia.

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  • 25. 

    Damage to the __________ might result in poor temperature regulation or disorders of appetite, sleep, or sex.

    • Hippocampus

    • Amygdala

    • Hypothalamus

    • Thalamus

    Correct Answer
    A. Hypothalamus
    Explanation
    The hypothalamus is responsible for regulating various bodily functions, including temperature regulation, appetite, sleep, and sexual behavior. Damage to the hypothalamus can disrupt these functions, leading to poor temperature regulation and disorders of appetite, sleep, or sex.

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  • 26. 

    Which part of the brain seems associated with fear and anger ?

    • Hippocampus

    • Amygdala

    • Hypothalamus

    • Thalamus

    Correct Answer
    A. Amygdala
    Explanation
    The amygdala is associated with fear and anger. It is an almond-shaped structure located deep within the brain's temporal lobe. The amygdala plays a crucial role in processing emotions, particularly negative emotions like fear and anger. It helps in recognizing and interpreting emotional stimuli, and also in generating appropriate emotional responses. Damage or dysfunction in the amygdala can lead to difficulties in experiencing and expressing fear and anger.

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  • 27. 

    This lobe of the brain is primarily involved with receiving visual information

    • Frontal

    • Temporal

    • Occipital

    • Parietal

    Correct Answer
    A. Occipital
    Explanation
    The occipital lobe is primarily involved in receiving visual information. It is located at the back of the brain and is responsible for processing visual stimuli from the eyes. This lobe contains the primary visual cortex, which plays a crucial role in interpreting and making sense of visual information. Damage to the occipital lobe can result in visual impairments, such as difficulty recognizing objects or faces, and can even cause blindness in severe cases.

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  • 28. 

    A split-brain patient, if presented with a picture of a dog to the left visual field and a cat to the right visual field, will draw ____________ with their right hand.

    • A cat

    • A dog

    • Both a cat and dog

    • Nothing

    Correct Answer
    A. A cat
    Explanation
    In split-brain patients, the left and right hemispheres of the brain are unable to communicate effectively. In this scenario, the left visual field is processed by the right hemisphere, which is responsible for controlling the left hand. Since the right hemisphere processes the left visual field, which contains the picture of a dog, it will not have access to this information. Therefore, when asked to draw something with their right hand, the patient will draw what is processed by the right hemisphere, which is the cat from the right visual field.

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  • 29. 

    The endocrine system releases ___________ that go directly ____________.

    • Pheromones; into the air

    • Pheromones; into the bloodstream

    • Hormones; into the air

    • Hormones; into the bloodstream

    Correct Answer
    A. Hormones; into the bloodstream
    Explanation
    The endocrine system releases hormones that go directly into the bloodstream. This is because hormones are chemical messengers that are produced by endocrine glands and are released directly into the bloodstream to be transported to target cells or organs throughout the body. Unlike pheromones, which are chemical signals released into the air to communicate with others of the same species, hormones act on specific target cells to regulate various bodily functions.

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  • 30. 

    When the pituitary secretes too much growth hormone late in the growth period, it can cause

    • Dwarfism

    • Thyroidal confusion

    • Acromegaly

    • Premature puberty

    Correct Answer
    A. Acromegaly
    Explanation
    Acromegaly is a condition caused by the excessive secretion of growth hormone by the pituitary gland, usually occurring during adulthood. This condition leads to the enlargement of bones and tissues in various parts of the body, such as the hands, feet, and face. Unlike dwarfism, which is characterized by stunted growth and short stature, acromegaly results in the enlargement of body parts. Thyroidal confusion and premature puberty are unrelated to the excessive secretion of growth hormone and are not associated with acromegaly.

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  • 31. 

    The master gland, controlled by the hypothalamus, is the

    • Pituitary

    • Pineal

    • Thyroid

    • Adrenal gland

    Correct Answer
    A. Pituitary
    Explanation
    The pituitary gland is often referred to as the master gland because it is controlled by the hypothalamus and plays a crucial role in regulating various bodily functions. It produces and releases hormones that control growth, metabolism, reproduction, and other important processes. The pituitary gland also controls the functioning of other endocrine glands in the body, such as the thyroid and adrenal glands. Therefore, it is considered the correct answer in this context.

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  • 32. 

    A person who is thin, tense, nervous, and excitable might have an overactive

    • Adrenal gland

    • Pituitary

    • Gonad

    • Thyroid

    Correct Answer
    A. Thyroid
    Explanation
    A person who is thin, tense, nervous, and excitable might have an overactive thyroid. The thyroid gland produces hormones that regulate metabolism, energy levels, and mood. When the thyroid gland is overactive, it produces an excessive amount of thyroid hormones, leading to symptoms such as weight loss, anxiety, and restlessness. This aligns with the description of the person in the question. On the other hand, the adrenal gland produces hormones that regulate stress response, the pituitary gland controls various hormones in the body, and the gonads are responsible for reproductive hormones. None of these options directly relate to the symptoms described.

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  • 33. 

    Which of the following is true about the hormone melatonin?

    • Higher levels cause drowsiness

    • Our bodies release more melatonin during daylight hours

    • Levels pear in the morning

    • It is released by the adrenal glands

    Correct Answer
    A. Higher levels cause drowsiness
    Explanation
    Melatonin is a hormone that regulates the sleep-wake cycle in humans. It is produced by the pineal gland in the brain and its levels naturally rise in the evening and remain high throughout the night, promoting drowsiness and sleep. Therefore, higher levels of melatonin indeed cause drowsiness. The other options are incorrect: our bodies release more melatonin during darkness, levels peak in the evening, and it is not released by the adrenal glands.

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  • 34. 

    Plasticity of the brain means that the brain

    • Is soft to the touch

    • Is unchanged by experience

    • Is capable of changing its structure and functions

    • Is easily damaged

    Correct Answer
    A. Is capable of changing its structure and functions
    Explanation
    The correct answer is that plasticity of the brain means that it is capable of changing its structure and functions. This refers to the brain's ability to adapt and reorganize itself in response to learning, experience, and injury. It allows the brain to form new neural connections, strengthen existing ones, and even compensate for damage in certain cases. This plasticity is essential for learning, memory formation, and recovery from brain injuries.

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  • 35. 

    Caleb threw his tennis racquet after losing the match. This expression of anger most likely originated in what part of the brain ?

    • Pons

    • Pineal gland

    • Parietal lobe

    • Limbic system

    Correct Answer
    A. Limbic system
    Explanation
    The limbic system is responsible for regulating emotions, including anger. When Caleb threw his tennis racquet after losing the match, it was an expression of anger, indicating that his limbic system was activated. This part of the brain plays a crucial role in processing and expressing emotions, making it the most likely origin for Caleb's display of anger.

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  • Current Version
  • Jul 15, 2024
    Quiz Edited by
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  • Oct 17, 2009
    Quiz Created by
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