AHS 202l Cat Nerves & Brain

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| By Norikker
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Norikker
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Quizzes Created: 15 | Total Attempts: 2,643
Questions: 33 | Attempts: 463

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AHS 202l Cat Nerves & Brain - Quiz

Part 1 of my lab 4 practice quiz this is only the cat nerves and sheep briain. *the bovine spinal cord and vertebrae are on part 2 quiz

please answer in all lowercase please :)


Questions and Answers
  • 1. 

  • 2. 

  • 3. 

  • 4. 

  • 5. 

  • 6. 

  • 7. 

  • 8. 

    Explanation
    The left common peroneal nerve is the correct answer because it is a branch of the sciatic nerve that supplies motor and sensory innervation to the muscles in the anterior compartment of the leg and the dorsum of the foot. It is responsible for dorsiflexion of the foot and extension of the toes. Damage to the left common peroneal nerve can result in foot drop and loss of sensation in the lower leg and foot.

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  • 9. 

    the shiny covering over the brain *both the dura mater and arachnoid space are missing*

    Explanation
    The pia mater is the innermost layer of the meninges, which are the protective coverings of the brain. It is a thin and delicate membrane that directly covers the surface of the brain. Unlike the dura mater and arachnoid space, which are missing in this case, the pia mater is still intact. It provides a shiny covering over the brain, protecting it and providing support.

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  • 10. 

    What are the Meninges?

    • A.

      Dura mater

    • B.

      Gyrii

    • C.

      Arachnoid space

    • D.

      Pia mater

    • E.

      Cortex

    • F.

      Sulci

    Correct Answer(s)
    A. Dura mater
    C. Arachnoid space
    D. Pia mater
    Explanation
    The meninges are the protective membranes that surround the brain and spinal cord. The dura mater is the outermost layer of the meninges, providing a tough and durable protective barrier. The arachnoid space is the middle layer, filled with cerebrospinal fluid that acts as a cushion for the brain. The pia mater is the innermost layer, directly covering the brain and spinal cord, supplying them with blood vessels. These three layers work together to protect and support the central nervous system. The other options, gyrii, cortex, and sulci, are not directly related to the meninges.

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  • 11. 

    In the brain the CORTEX is _______ matter.

    Correct Answer(s)
    grey
    Explanation
    The cortex in the brain is composed of grey matter. Grey matter is a type of neural tissue that contains cell bodies, dendrites, and synapses. It is responsible for processing information, including sensory perception, memory, and decision-making. The grey color comes from the high density of cell bodies and lack of myelin, which gives it a distinct appearance compared to white matter.

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  • 12. 

    In the brain the MEDULLA is _______ matter.

    Correct Answer(s)
    white
    Explanation
    The medulla is white matter in the brain. White matter refers to the areas of the brain that are primarily composed of myelinated axons, which are responsible for transmitting signals between different regions of the brain. The medulla, also known as the medulla oblongata, is located at the base of the brainstem and plays a crucial role in controlling vital functions such as breathing, heart rate, and blood pressure. Its white matter composition allows for efficient communication and coordination of these essential functions.

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  • 13. 

    Correct Answer(s)
    longitudinal fissure
    Explanation
    The term "longitudinal fissure" refers to the deep groove that separates the two hemispheres of the brain, known as the left and right cerebral hemispheres. This fissure runs from the front to the back of the brain, dividing it into two distinct halves. The left hemisphere is responsible for controlling the right side of the body and is associated with language and analytical thinking, while the right hemisphere controls the left side of the body and is associated with creativity and spatial awareness. The longitudinal fissure plays a crucial role in maintaining the structural integrity and functional specialization of the brain.

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  • 14. 

    The GROOVES of the brain

    Correct Answer(s)
    sulci
    Explanation
    The correct answer is "sulci". Sulci are the grooves or furrows found on the surface of the brain. They are the spaces between the folds or ridges of the brain known as gyri. The presence of sulci increases the surface area of the brain, allowing for more neurons and connections, and thus enhancing its overall functionality. These grooves also help in separating different regions of the brain and play a crucial role in the organization and structure of the brain.

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  • 15. 

    the surface part of the brain  (NOT the grooves)

    Correct Answer(s)
    gyrii
    Explanation
    Gyrii is the correct answer because it refers to the surface part of the brain, specifically the raised folds or ridges. The term "gyrii" is the plural form of "gyrus," which is a Latin word meaning "circle" or "ring." These gyrii are responsible for increasing the surface area of the brain, allowing for more neural connections and cognitive functions.

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  • 16. 

    the middle of the   " X "

    Correct Answer(s)
    optic chiasm
    Explanation
    The optic chiasm is a structure located in the middle of the "X" formed by the optic nerves. It is responsible for the partial crossover of visual information from each eye to the opposite side of the brain. This crossover allows for binocular vision and depth perception. Therefore, the correct answer is optic chiasm.

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  • 17. 

    Correct Answer(s)
    left optic nerve
  • 18. 

    Correct Answer(s)
    right olfactory bulb
  • 19. 

    Correct Answer(s)
    cerebellum
    Explanation
    The cerebellum is a part of the brain that is responsible for coordinating voluntary movements, balance, and posture. It receives information from the sensory systems, the spinal cord, and other parts of the brain, and uses this information to regulate motor movements. It plays a crucial role in fine-tuning movements and maintaining overall body control.

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  • 20. 

    Correct Answer(s)
    cerebrum
    Explanation
    The cerebrum is the largest part of the brain and is responsible for higher cognitive functions such as thinking, reasoning, memory, and voluntary movement. It is divided into two hemispheres and is composed of several lobes, including the frontal lobe, parietal lobe, temporal lobe, and occipital lobe. The cerebrum plays a crucial role in controlling and coordinating various bodily functions, as well as processing sensory information and generating conscious thoughts and emotions.

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  • 21. 

    Correct Answer(s)
    brain stem
    Explanation
    The brain stem is a crucial part of the central nervous system that connects the brain to the spinal cord. It is responsible for controlling basic functions such as breathing, heart rate, and blood pressure. It also plays a role in relaying sensory and motor signals between the brain and the rest of the body. Damage to the brain stem can have severe consequences, leading to paralysis or even death. Therefore, understanding the functions and structure of the brain stem is vital in understanding the overall functioning of the nervous system.

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  • 22. 

    Correct Answer(s)
    corpus callosum
    Explanation
    The corpus callosum is a structure in the brain that connects the left and right hemispheres, allowing for communication and coordination between the two sides. It is made up of a bundle of nerve fibers that transmit information between the hemispheres, enabling them to work together in tasks such as language processing, motor coordination, and sensory integration. The corpus callosum plays a crucial role in facilitating the integration of information and functions between the two hemispheres, contributing to overall brain function and cognition.

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  • 23. 

    Correct Answer(s)
    diencephalon
  • 24. 

    Correct Answer(s)
    thalamus
    Explanation
    The thalamus is a small, oval-shaped structure located in the brain. It acts as a relay station, receiving sensory information from various parts of the body and sending it to the appropriate areas of the cerebral cortex for further processing. It is involved in regulating consciousness, sleep, and sensory perception. Additionally, the thalamus plays a crucial role in motor control and the coordination of movements. Overall, the thalamus is an essential component of the brain's communication network, facilitating the transmission of information between different regions.

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  • 25. 

    Correct Answer(s)
    pineal gland
    Explanation
    The pineal gland is a small endocrine gland located in the brain that produces and secretes melatonin, a hormone that regulates sleep-wake cycles. It plays a crucial role in maintaining the body's internal clock and regulating sleep patterns. The pineal gland also influences various physiological processes, such as reproductive function, mood, and immune system function. Overall, the pineal gland is an important gland in the body that helps regulate various biological functions.

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  • 26. 

    Correct Answer(s)
    hypothalamus
    Explanation
    The hypothalamus is a small region in the brain that plays a crucial role in maintaining homeostasis by regulating various bodily functions. It controls the autonomic nervous system, which regulates involuntary actions such as heart rate, blood pressure, and body temperature. The hypothalamus also produces and releases hormones that control the pituitary gland, which in turn regulates the release of hormones from other glands in the body. Additionally, the hypothalamus is involved in regulating sleep, appetite, and emotions. Overall, the hypothalamus is a vital part of the brain responsible for maintaining the body's internal balance.

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  • 27. 

    What gland is usually removed from the Diencephalon when removing the Dura Mater?

    Correct Answer(s)
    pituitary gland
    Explanation
    The pituitary gland is usually removed from the Diencephalon when removing the Dura Mater because it is located just below the hypothalamus in the brain. The Dura Mater is the tough outermost layer of the meninges, which covers and protects the brain and spinal cord. During surgery or other medical procedures that involve removing the Dura Mater, the pituitary gland may need to be removed or accessed in order to reach the desired area. The pituitary gland plays a crucial role in regulating various hormones in the body, so its removal or manipulation should be done with caution and under expert supervision.

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  • 28. 

    Correct Answer(s)
    infundibulum
  • 29. 

    Correct Answer(s)
    pons
  • 30. 

    Correct Answer(s)
    medulla oblongata
    Explanation
    The medulla oblongata is a part of the brainstem located at the base of the brain. It is responsible for controlling vital functions such as breathing, heart rate, and blood pressure. It also plays a role in regulating reflexes and coordinating movements. Damage to the medulla oblongata can have severe consequences and may result in difficulties with basic bodily functions.

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  • 31. 

    Correct Answer(s)
    midbrain
  • 32. 

    the bumb on the medulla oblongata

    Correct Answer(s)
    pyramid
    Explanation
    The pyramid refers to a structure in the medulla oblongata, which is a part of the brainstem. It is named due to its shape, resembling a triangular pyramid. The pyramid contains motor fibers that originate in the cerebral cortex and transmit signals to the spinal cord. These fibers are responsible for controlling voluntary movements of the body. Therefore, the presence of a bump or prominence on the medulla oblongata is likely referring to the pyramid structure.

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  • 33. 

    the spaces in the brain 

    Correct Answer(s)
    ventricles
    Explanation
    The spaces in the brain are called ventricles. These are fluid-filled cavities that are responsible for producing and circulating cerebrospinal fluid (CSF) throughout the brain and spinal cord. The ventricles help to provide cushioning and support to the brain, as well as remove waste products. They also play a role in maintaining the overall pressure and balance of the brain. Dysfunction or abnormalities in the ventricles can lead to various neurological disorders.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 01, 2011
    Quiz Created by
    Norikker
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