Structure Of Human Brain

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  • 1/17 Questions

    Gray metter is the top layer of the cerebrum called ______, then fibrous w/ myelin

    • Cerebrum
    • Cerebral Cortex
    • Cerebellum
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About This Quiz

Explore the intricate structure of the human brain through this focused quiz. Delve into the cerebrum, cerebral cortex, and key brain components like the corpus callosum, understanding their functions and significance. Ideal for students and enthusiasts eager to enhance their knowledge of neuroscience.

Structure Of Human Brain - Quiz

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  • 2. 

    What connects the two cerebral hemisphere composed of tracts

    • Corpus Callosum

    • Cerebral Cortex

    • Cerebellum

    Correct Answer
    A. Corpus Callosum
    Explanation
    The corpus callosum is a thick band of nerve fibers that connects the two cerebral hemispheres of the brain. It allows for communication and coordination between the two hemispheres, allowing them to work together and share information. Without the corpus callosum, the two hemispheres would not be able to communicate effectively, leading to impairments in cognitive and motor functions. The cerebral cortex, on the other hand, is the outer layer of the brain responsible for higher-level thinking and processing. The cerebellum is responsible for coordinating voluntary movements and maintaining balance and posture.

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  • 3. 

    the area below the pons and above the spinal cord; also is part of the brain stem

    • Medulla Oblongata

    • Hypothalamus

    • Cerebellum

    Correct Answer
    A. Medulla Oblongata
    Explanation
    The correct answer is Medulla Oblongata. The Medulla Oblongata is located below the pons and above the spinal cord, making it part of the brain stem. It plays a crucial role in controlling vital functions such as breathing, heart rate, and blood pressure. It also helps regulate reflexes and coordinates certain movements.

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  • 4. 

    ____ is covered by the lobes

    • Frontal

    • Parietal

    • Insula

    Correct Answer
    A. Insula
    Explanation
    The insula is covered by the lobes.

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  • 5. 

    Frontal, Parietal, Temporal and Occipital lobes and Insula

    • Cerebrum

    • Occipital

    • Cerebellum

    Correct Answer
    A. Cerebrum
    Explanation
    The given answer, "Cerebrum," is correct. The cerebrum is the largest part of the brain and is responsible for higher cognitive functions such as thinking, memory, and perception. It is divided into four lobes: frontal, parietal, temporal, and occipital, each with different functions. The insula is a small lobe located deep within the brain and is involved in various functions such as emotion, self-awareness, and empathy. The cerebellum, on the other hand, is responsible for coordination and balance.

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  • 6. 

    located below the thalmus just above the pituitary gland; monitors blood temperature, blood water, concerntration and blood hormone concentration; associated with pituitary functions; also has endocrine functions

    • Hypothalamus

    • Thalamus

    • Midbrain

    Correct Answer
    A. Hypothalamus
    Explanation
    The hypothalamus is located below the thalamus and above the pituitary gland. It is responsible for monitoring various aspects of blood such as temperature, water concentration, hormone concentration, and is associated with pituitary functions. Additionally, the hypothalamus also has endocrine functions.

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  • 7. 

    Located below the midbrain and above the medulla oblongata; constitutes a part of the brain stem; contains Pneumotaxic Area (HELPS US BREATH) and helps expiration and Apneustic Area that limits expiration and helps inspiration; contains nuclei for Trigeminal, Abducens, and Facial cranial nerves

    • Medulla Oblongata

    • Pons

    • Hypothalamus

    Correct Answer
    A. Pons
    Explanation
    The correct answer is Pons because it is located below the midbrain and above the medulla oblongata, making it a part of the brain stem. The Pons contains the Pneumotaxic Area, which helps us breathe by regulating expiration, and the Apneustic Area, which limits expiration and helps with inspiration. Additionally, the Pons contains nuclei for the Trigeminal, Abducens, and Facial cranial nerves.

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  • 8. 

    The cerebrum is divided into L and R cerebral hemispheres; contains many ____ and ____

    • Gryi/sulci

    • Fibers/tissues

    • Neurons/tracts

    Correct Answer
    A. Gryi/sulci
    Explanation
    The cerebrum is divided into left and right cerebral hemispheres. These hemispheres contain many gyri (ridges) and sulci (grooves). The gyri and sulci increase the surface area of the cerebrum, allowing for more neurons and connections between them. Therefore, the correct answer is gyri/sulci.

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  • 9. 

    Coordinates skeletal muscle functions; associated with equilibrium; a reflex center

    • Cerebellum

    • Midbrain

    • Cerebrum

    Correct Answer
    A. Cerebellum
    Explanation
    The cerebellum is responsible for coordinating skeletal muscle functions and plays a role in maintaining equilibrium. It is also involved in the coordination of movements and motor control. Additionally, the cerebellum acts as a reflex center, integrating sensory information and generating appropriate motor responses.

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  • 10. 

    Cerebral cortex is only about 2-5 mm thick, but is contains ___% of the neuron cell bodies of the CNS

    • 25

    • 75

    • 100

    Correct Answer
    A. 75
    Explanation
    The cerebral cortex is a thin layer of neural tissue that covers the outermost part of the brain. Despite its small thickness, it contains a significant percentage of the neuron cell bodies in the central nervous system (CNS). The correct answer is 75%, indicating that the majority of neuron cell bodies are located within the cerebral cortex.

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  • 11. 

    90% of the population, Lt hemisphere is dominant over the Rt. hemisphere; as a result, body control is contralateral

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement suggests that in 90% of the population, the left hemisphere of the brain is dominant over the right hemisphere. This means that the left hemisphere controls the right side of the body and vice versa, which is known as contralateral control. Therefore, the correct answer is true.

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  • 12. 

    The cerebrum is associated with the higher brain functions such as

    • Intrepretation, reasoning, thoughts, etc.

    • Logic, emotion, mathmatics, etc.

    • Creativity, rationalization, sensory perception

    Correct Answer
    A. Intrepretation, reasoning, thoughts, etc.
    Explanation
    The cerebrum is responsible for higher brain functions such as interpretation, reasoning, and thoughts. These functions involve processing information, making logical connections, and generating ideas or thoughts based on that information. The cerebrum plays a crucial role in cognitive processes and allows us to understand and make sense of the world around us.

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  • 13. 

    Located above the pons area; constitutes pa part of the brain stem;contains four nuclei called CORPORA QUADRIGEMINA (2 superior colliculi and 2 inferior colliculi); these are the reflex center for head neck and eye movements inresponse to visual and auditory stimuli, respectively.; contains a pigmented area called Substania Nigra (melanin) associated with Dopamine secretion; Dopamine is assocated with gross muscle contraction; contains nuclei for Oculomotor and Troclear cranial nerves

    • Hypothalmus

    • Midbrain

    • Cerebellum

    Correct Answer
    A. Midbrain
    Explanation
    The given description mentions that the structure is located above the pons area and is a part of the brain stem. It also states that it contains four nuclei called CORPORA QUADRIGEMINA, which are responsible for reflex movements in response to visual and auditory stimuli. The description further mentions the presence of a pigmented area called Substania Nigra, which is associated with Dopamine secretion and gross muscle contraction. Additionally, it contains nuclei for the Oculomotor and Troclear cranial nerves. Based on these characteristics, the correct answer is Midbrain.

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  • 14. 

    Located at the middle and inferior side of the brain; relay station for most of the sensory impulses that each the cerebral cortex; functions as interpretation center for pain, pressure, touch, temperature, light, etc. sensations; memory center; deals with emotions

    • Hypothalamus

    • Thalamus

    • Midbrain

    Correct Answer
    A. Thalamus
    Explanation
    The thalamus is located in the middle and inferior side of the brain. It acts as a relay station for most of the sensory impulses that reach the cerebral cortex. It is responsible for interpreting sensations such as pain, pressure, touch, temperature, and light. Additionally, the thalamus functions as a memory center and plays a role in dealing with emotions.

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  • 15. 

    Contains sensory, motor and association (judgement) areas

    • Cerebellum

    • Cerebrum

    • Occipital

    Correct Answer
    A. Cerebrum
    Explanation
    The cerebrum is the correct answer because it contains sensory, motor, and association areas. It is the largest part of the brain and is responsible for higher mental functions such as thinking, memory, and voluntary movement. The sensory areas receive and process information from the senses, the motor areas control voluntary movements, and the association areas are involved in higher cognitive processes such as decision-making and problem-solving. The cerebellum, on the other hand, is responsible for coordinating movement and balance, and the occipital lobe is primarily involved in visual processing.

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  • 16. 

    Located at the posterior and inferior side of the cerebrum; consists of two hemispheres that are conntected by a vermis; has this cortex of gray matter that surrounds the whie matter

    • Cerebellum

    • Midbrain

    • Thalamus

    Correct Answer
    A. Cerebellum
    Explanation
    The given description matches the structure of the cerebellum. It is located at the posterior and inferior side of the cerebrum, consists of two hemispheres connected by a vermis, and has a cortex of gray matter that surrounds the white matter. Therefore, the correct answer is the cerebellum.

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  • 17. 

    Contains Vestibular Nuclear Complex; associated with equilibrium (sense of b ody position); Contains Rhythnicity area for respiration that communicate with the Apneustic and Pneumotaxic areas of pons

    • Cerebellum

    • Medulla Oblongata

    • Hypothalamus

    Correct Answer
    A. Medulla Oblongata
    Explanation
    The correct answer is Medulla Oblongata. The Medulla Oblongata is a part of the brainstem and is responsible for controlling many vital functions such as breathing, heart rate, and blood pressure. It contains the Vestibular Nuclear Complex, which is associated with the sense of body position and equilibrium. It also contains the Rhythmicity area for respiration, which communicates with the Apneustic and Pneumotaxic areas of the pons to regulate breathing.

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  • Current Version
  • Oct 30, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 20, 2011
    Quiz Created by
    Melparks
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