Ahmad Tawalbeh - Technicians Team📚❤️

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| By Mohammed_tawalbe
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Mohammed_tawalbe
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Quizzes Created: 3 | Total Attempts: 360
| Attempts: 140
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  • 1/20 Questions

    The body system responsible for structural support and movement is the ________.

    • Skeletal system 
    • Muscular system 
    • Endocrine system 
    • Cardiovascular system 
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About This Quiz

Anatomy By : Ahmad Tawalbeh - technicians team📚❤️

Ahmad Tawalbeh - Technicians Team - Quiz

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  • 2. 

    The smallest independently functioning unit of an organism is a(n) ________

    • Cell

    • Molecule 

    • Organ

    • Tissue 

    Correct Answer
    A. Cell
    Explanation
    A cell is the smallest independently functioning unit of an organism. It is the basic building block of life and carries out all the necessary functions for the organism to survive. Cells can vary in size, shape, and function, but they all have a membrane that separates the internal contents from the external environment. They can exist as single-celled organisms or as part of a multicellular organism, where they work together to perform specific functions. Cells contain genetic material, such as DNA, which carries the instructions for the organism's growth, development, and reproduction.

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  • 3. 

    Humans have the most urgent need for a continuous supply of ________.

    • Nitrogen 

    • Oxygen 

    • Food 

    • Water

    Correct Answer
    A. Oxygen 
    Explanation
    Oxygen is essential for humans as it is required for the process of respiration. Without a continuous supply of oxygen, humans cannot survive for more than a few minutes. Oxygen is needed by the body to convert food into energy and to carry out various biological processes. Therefore, oxygen is the correct answer as humans have the most urgent need for a continuous supply of it.

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  • 4. 

    Which of the following is the epithelial tissue that lines the interior of blood vessels?

    • Columnar 

    • Transitional

    • Simple squamous 

    • Pseudostratified

    Correct Answer
    A. Simple squamous 
    Explanation
    Simple squamous epithelial tissue is the correct answer because it is a type of epithelial tissue that is thin and flat, allowing for easy diffusion of substances. It is found in areas where filtration and exchange of substances occur, such as the lining of blood vessels. Simple squamous epithelium is well-suited for this function due to its thinness and ability to facilitate the movement of molecules across its surface.

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  • 5. 

    Which of the following lines the body cavities exposed to the external environment?

    • Mesothelium 

    • Lamina propria

    • Mucosa 

    • Mesenteries

    Correct Answer
    A. Mucosa 
    Explanation
    Mucosa lines the body cavities that are exposed to the external environment. Mucosa is a moist tissue that lines various organs and structures, such as the respiratory, digestive, and reproductive tracts. It helps to protect these cavities from foreign substances, pathogens, and mechanical damage. The other options, Mesothelium, Lamina propria, and Mesenteries, do not specifically line body cavities exposed to the external environment.

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  • 6. 

    The lambdoid suture joins the parietal bone to the ________.

    • Frontal bones

    • Occipital bone

    • Other parietal bone 

    • Temporal bone

    Correct Answer
    A. Occipital bone
    Explanation
    The lambdoid suture is a dense, fibrous joint that connects the parietal bone to the occipital bone at the back of the skull. It forms a distinctive "lambda" shape and helps to provide stability and protection to the brain. The frontal bones are not connected to the lambdoid suture, and the temporal bone is joined to the parietal bone by a different suture called the squamosal suture. Therefore, the correct answer is the occipital bone.

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  • 7. 

    Cancer cells can be characterized as “generic” cells that perform no specialized body function. Thus cancer cells lack ________.

    • Reproduction 

    • Responsiveness

    • Differentation

    • Both reproduction and responsiveness

    Correct Answer
    A. Differentation
    Explanation
    Cancer cells can be characterized as "generic" cells that perform no specialized body function. This means that they do not have the ability to differentiate into specialized cell types. Differentiation is the process by which cells become specialized and acquire specific functions. Therefore, cancer cells lack differentiation.

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  • 8. 

    Which of the following is not a type of tissue?

    • Nervous 

    • Muscle 

    • Embryonic 

    • Epithelial 

    Correct Answer
    A. Embryonic 
    Explanation
    Embryonic tissue is not a type of tissue because it refers to the early stage of development in multicellular organisms, where cells are rapidly dividing and differentiating into various types of tissues. Once the cells have differentiated into specific tissues, they are no longer considered embryonic tissue. Therefore, embryonic tissue is not a permanent or distinct type of tissue like nervous, muscle, or epithelial tissue.

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  • 9. 

    Which connective tissue specializes in storage of fat?

    • Adipose tissue 

    • Tendon 

    • Reticular tissue 

    • Dense connective tissue 

    Correct Answer
    A. Adipose tissue 
    Explanation
    Adipose tissue specializes in the storage of fat. It is a type of connective tissue that contains adipocytes, which are specialized cells that store and release fat molecules. Adipose tissue is found throughout the body and serves as a source of energy, insulation, and protection for organs. It also plays a role in hormone regulation and immune function.

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  • 10. 

    Bone tissue can be described as ________.

    • Dead calcified tissue 

    • Cartilage 

    • The skeletal system 

    • Dense, hard connective tissue 

    Correct Answer
    A. Dense, hard connective tissue 
    Explanation
    Bone tissue can be described as dense, hard connective tissue. This is because bone tissue is composed of cells and a matrix that contains collagen fibers and mineral salts, making it strong and rigid. It provides support and protection to the body, as well as serving as a site for mineral storage and blood cell production.

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  • 11. 

    Most of the bones of the arms and hands are long bones; however, the bones in the wrist are categorized as ________.

    • Short bones

    • Flat bones 

    • Irregular bones

    • Sesamoid bones

    Correct Answer
    A. Short bones
    Explanation
    The bones in the wrist are categorized as short bones. Short bones are cube-shaped and provide stability and support to the wrist joint. They are found in areas where a wide range of motion is not required, such as the wrist and ankle. Short bones also help to absorb shock and distribute weight evenly across the joint.

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  • 12. 

    Which of the following is part of the axial skeleton?

    • Shoulder bones

    • Thigh bones

    • Foot bones

    • Vertebral column

    Correct Answer
    A. Vertebral column
    Explanation
    The vertebral column is part of the axial skeleton. The axial skeleton includes the bones of the head, neck, and trunk, which provide support and protection for the body's vital organs. The vertebral column, also known as the spine or backbone, is made up of a series of individual bones called vertebrae. It runs along the midline of the back and provides support for the head and trunk, as well as allowing for movement and flexibility. Therefore, the vertebral column is a correct answer as it is a part of the axial skeleton.

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  • 13. 

    In adults, new connective tissue cells originate from the ________.

    • Mesenchyme

    • Ectoderm

    • Endoderm

    • Mesoderm

    Correct Answer
    A. Mesenchyme
    Explanation
    Connective tissue cells in adults originate from the mesenchyme. Mesenchyme is a type of embryonic connective tissue that gives rise to various types of connective tissues, including bone, cartilage, and fibrous connective tissue. It is a multipotent cell population that can differentiate into different cell types depending on the signals it receives during development. This process of differentiation allows for the formation and repair of connective tissues throughout adulthood.

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  • 14. 

    The joint between adjacent vertebrae that includes an invertebral disc is classified as which type of joint?

    • Diarthrosis

    • Multiaxial

    • Amphiarthrosis

    • Synarthrosis

    Correct Answer
    A. Amphiarthrosis
    Explanation
    The joint between adjacent vertebrae that includes an intervertebral disc is classified as an amphiarthrosis joint. This type of joint allows for limited movement and provides stability and support to the spine. The intervertebral disc acts as a cushion and helps absorb shock between the vertebrae, allowing for slight movement while still maintaining stability.

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  • 15. 

    Which of the following specialties might focus on studying all of the structures of the ankle and foot?

    • Microscopic anatomy 

    • Muscle anatomy 

    • Regional anatomy 

    • Systemic anatomy 

    Correct Answer
    A. Regional anatomy 
    Explanation
    Regional anatomy is the study of specific regions of the body, such as the ankle and foot, and the structures within those regions. This specialty focuses on understanding the relationships and functions of the structures within a particular region, rather than studying the body as a whole (systemic anatomy) or at a microscopic level (microscopic anatomy). Therefore, regional anatomy would be the most appropriate specialty to study all of the structures of the ankle and foot.

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  • 16. 

    Sesamoid bones are found embedded in ________.

    • Joints

    • Muscles

    • Ligaments 

    • Tendons

    Correct Answer
    A. Tendons
    Explanation
    Sesamoid bones are found embedded in tendons. Sesamoid bones are small, round bones that are embedded within certain tendons, typically near joints. They act as pulleys, providing a smooth surface for tendons to slide over, reducing friction and increasing the efficiency of muscle movement. These bones are commonly found in areas such as the hands, feet, and knees, where tendons experience a lot of stress and pressure.

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  • 17. 

    Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably ________.

    • Loss connective tissue 

    • Bone

    • A tendon 

    • Hyaline cartilage 

    Correct Answer
    A. Hyaline cartilage 
    Explanation
    The description of cells located in spaces scattered in a transparent background suggests that the tissue specimen is hyaline cartilage. Hyaline cartilage is a type of connective tissue that is characterized by its translucent appearance and the presence of chondrocytes (cells) embedded in a matrix of collagen fibers. This tissue is commonly found in areas such as the nose, trachea, and joints, where it provides support and flexibility.

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  • 18. 

    Similar to the hair, nails grow continuously throughout our lives. Which of the following is furthest from the nail growth center?

    • Nail bed

    • Nail root

    • Hyponychium

    • Eponychium

    Correct Answer
    A. Hyponychium
    Explanation
    The hyponychium is the furthest from the nail growth center. The nail growth center refers to the area where new nail cells are produced, which is the nail root. The nail bed is the area beneath the nail plate, and it is closer to the nail growth center than the hyponychium. The eponychium is the thin layer of skin that covers the base of the nail, and it is also closer to the nail growth center than the hyponychium. Therefore, the hyponychium is the correct answer as it is the furthest from the nail growth center.

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  • 19. 

    Collagen lends ________ to the skin.

    • Color 

    • UV protection 

    • Structure 

    • Elasticity 

    Correct Answer
    A. Structure 
    Explanation
    Collagen is a protein that provides structure to the skin. It forms a network of fibers that support the skin's structure and helps to maintain its firmness and elasticity. Collagen also plays a role in wound healing and helps to keep the skin smooth and supple.

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  • 20. 

    The hair matrix contains ________.

    • The hair follicle 

    • The hair shaft

    • The glassy membrane

    • A layer of basal cells 

    Correct Answer
    A. A layer of basal cells 
    Explanation
    The hair matrix contains a layer of basal cells. The hair matrix is located at the base of the hair follicle and is responsible for producing new hair cells. The basal cells in the hair matrix divide and differentiate into specialized cells that make up the hair shaft. These cells undergo keratinization, a process where they fill with keratin and become the structural components of the hair shaft. Therefore, the hair matrix plays a crucial role in hair growth and the production of the hair shaft.

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  • Current Version
  • Jul 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 29, 2020
    Quiz Created by
    Mohammed_tawalbe
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