This Is The Most In-depth Biology Quiz About Human Body

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This Is The Most In-depth Biology Quiz About Human Body - Quiz

Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.
This Is The Most In-Depth Biology Quiz About Human Body
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Questions and Answers
  • 1. 

    Are formed by the articulation of two cranial bones.

    Explanation
    Sutures are formed by the articulation of two cranial bones. Sutures are fibrous joints that connect the bones of the skull. They are immovable joints that provide stability and strength to the skull. The bones of the skull are tightly joined together at the sutures, allowing for minimal movement and protecting the brain.

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  • 2. 

    In the region just deep to the eyebrows, _____ are present which allow nerves and arteries to pass.

    Explanation
    In the region just deep to the eyebrows, there are supraorbital foramina. These foramina are openings in the skull that allow nerves and arteries to pass through. They are located in the frontal bone, just above the eye sockets. The presence of these foramina is important for the passage of blood vessels and nerves to supply the forehead and the scalp.

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  • 3. 

    The two mirror-image bones which form much of the superior & lateral portions of the skull are the _____ bones.

    Explanation
    The correct answer is "parietal" because the parietal bones are mirror-image bones that form a significant portion of the superior and lateral parts of the skull. These bones are paired and located on each side of the skull, forming the majority of the cranial vault. They are flat bones that join together at the sagittal suture in the midline of the skull.

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  • 4. 

    The _____ suture is formed by articulation of the two parietal bones.

    Explanation
    The sagittal suture is formed by the articulation of the two parietal bones. The sagittal suture runs along the midline of the skull, dividing it into left and right halves. It is a fibrous joint that allows for minimal movement and provides stability to the skull. The parietal bones are paired bones that form the upper sides and roof of the skull, and their articulation at the sagittal suture helps to maintain the overall structure and shape of the skull.

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  • 5. 

    The crista galli is a small crest on the _____ bone.

    Explanation
    The ethmoid bone is a complex bone located between the eyes and forms part of the nasal cavity. The crista galli is a small crest on the ethmoid bone that serves as an attachment point for the falx cerebri, a fold of dura mater that helps to stabilize the brain within the skull.

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  • 6. 

    Blood vessels and nerves reach the chin and lower lip through the _____ of the mandible.

    Explanation
    Blood vessels and nerves reach the chin and lower lip through the mental foramina of the mandible. The mental foramina are small openings located on the lower surface of the mandible, near the premolar teeth. These openings allow for the passage of the mental nerve and blood vessels, supplying sensation and blood flow to the chin and lower lip.

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  • 7. 

    Contracting the _____ and the _____ on the same side results in tilting of the head toward that side.

    Explanation
    Contracting the sternocleidomastoid and the splenius muscles on the same side results in tilting of the head toward that side. These muscles are located in the neck and upper back region and play a role in controlling head and neck movements. When both muscles contract together, they work synergistically to tilt the head towards the same side. The sternocleidomastoid muscle is responsible for flexion and rotation of the head, while the splenius muscle helps in extending and rotating the head and neck.

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  • 8. 

    The upper fascicles of the _____ allow us to shrug by pulling the scapula toward the cervical vertebrae.

    Explanation
    The trapezius muscle is responsible for allowing us to shrug by pulling the scapula towards the cervical vertebrae. The upper fascicles of the trapezius specifically contribute to this movement.

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  • 9. 

    To purse the lips when we want to kiss or whistle, we contract the

    Explanation
    The orbicularis oris is the muscle responsible for puckering or pursing the lips. When we want to kiss or whistle, we contract this muscle, causing the lips to come together and form a rounded shape. This muscle plays a crucial role in these actions, allowing us to create the necessary lip movements for kissing or producing whistle sounds.

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  • 10. 

    The _____ assist in inspiration.

    Explanation
    The external intercostals are the muscles located between the ribs. These muscles play a crucial role in the process of inspiration by elevating the ribs and expanding the chest cavity. When the external intercostals contract, they lift the ribcage upwards and outwards, allowing for the expansion of the lungs and the intake of air. Therefore, the external intercostals assist in the process of inspiration.

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  • 11. 

    The _____ pushes food from the cheek to the center of the mouth.

    Explanation
    The buccinator is a muscle located in the cheek that helps to push food from the side of the mouth towards the center. It contracts and compresses the cheeks, aiding in the chewing and swallowing process.

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  • 12. 

    The major (not only) function of mitochondria is to completely oxidize fuels and to capture the energy in a molecule called _____.

    Explanation
    Mitochondria are responsible for the process of cellular respiration, where they break down fuels such as glucose and fatty acids to produce ATP (adenosine triphosphate). ATP is a molecule that stores and transfers energy within cells. Therefore, the correct answer is ATP.

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  • 13. 

    ____ are huge macromolecules composed of RNA and protein, whose function is to synthesize protein.

    Explanation
    Ribosomes are large macromolecules made up of RNA and proteins that play a crucial role in protein synthesis. They act as the site where messenger RNA (mRNA) is translated into proteins. Ribosomes bind to mRNA and use the information encoded in it to assemble amino acids in the correct order, forming a polypeptide chain. This process, known as translation, is essential for the production of proteins, which are involved in various cellular functions and processes. Therefore, ribosomes are responsible for the synthesis of proteins in the cell.

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  • 14. 

    The pelvis is _______ to the ribs.

    Explanation
    The pelvis is located below or beneath the ribs, making it inferior to the ribs.

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  • 15. 

    ''Cervical'' refers to the _____.

    Explanation
    The term "cervical" is a medical term that specifically refers to the neck region of the body. In anatomical terms, the neck is the part of the body that connects the head to the rest of the torso. Therefore, "neck" is the correct answer to the question.

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  • 16. 

    Between the fifth week post-conception and birth, the prosencephalon (aka _____) develops to produce the _____ and _____ of the adult brain.

    Explanation
    During the period between the fifth week post-conception and birth, the prosencephalon, also known as the forebrain, undergoes development. This development leads to the formation of two important structures in the adult brain, namely the cerebrum and the diencephalon. The cerebrum is responsible for higher cognitive functions such as thinking, memory, and perception, while the diencephalon plays a crucial role in relaying sensory information and regulating various bodily functions like sleep, temperature, and hormone production.

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  • 17. 

    Gray matter is found in the cortex of the _____ and _____.

    Explanation
    Gray matter is found in the cortex of the cerebrum and cerebellum. The cerebrum is responsible for higher cognitive functions such as memory, language, and perception, while the cerebellum is involved in motor coordination and balance. Gray matter refers to the regions of the brain that contain mostly neuronal cell bodies, dendrites, and unmyelinated axons. It plays a crucial role in information processing and integration within the brain. Therefore, it is logical to find gray matter in the cortex of both the cerebrum and cerebellum, as these regions are involved in complex neural processing.

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  • 18. 

    The prime mover for inspiration (breathing in) is the _____, which presses into the abdominal cavity, expanding the thoracic cavity as it does.

    Explanation
    The diaphragm is a dome-shaped muscle located between the chest and abdominal cavity. When it contracts, it moves downward, creating more space in the thoracic cavity and causing the lungs to expand. This expansion allows air to flow into the lungs, facilitating the process of inspiration or breathing in. Therefore, the diaphragm is responsible for initiating the inhalation process by pressing into the abdominal cavity and expanding the thoracic cavity.

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  • 19. 

    _____ are cells which produce the myelin sheath in the peripheral nervous system, but not in the central nervous system.

    Explanation
    Schwann cells are responsible for producing the myelin sheath in the peripheral nervous system. They wrap around nerve fibers and provide insulation, allowing for faster transmission of electrical signals. In the central nervous system, oligodendrocytes perform a similar function by producing the myelin sheath. However, Schwann cells are unique to the peripheral nervous system and do not exist in the central nervous system.

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  • 20. 

    In the CNS, _____ are the glial cells which anchor neurons to blood vessels.

    Explanation
    Astrocytes are a type of glial cell in the central nervous system (CNS) that play a crucial role in supporting and maintaining the health of neurons. One of their functions is to anchor neurons to blood vessels, providing structural support and helping to regulate the delivery of nutrients and oxygen to the neurons. This interaction between astrocytes and blood vessels is important for the proper functioning of the CNS.

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  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 07, 2021
    Quiz Created by
    Themes
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