A&p Midterm - Chapter 4 Review

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Quizzes Created: 3 | Total Attempts: 1,815
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AP Quizzes & Trivia

Tissues


Questions and Answers
  • 1. 

    The categories of epithelial tissue membranes are:

    • A.

      Cutaneous

    • B.

      Synovial

    • C.

      Serous

    • D.

      Mucous

    Correct Answer(s)
    A. Cutaneous
    C. Serous
    D. Mucous
    Explanation
    The categories of epithelial tissue membranes are cutaneous, serous, and mucous. Cutaneous membranes refer to the skin, which is the outermost protective layer of the body. Serous membranes line the internal body cavities and cover the organs, producing a lubricating fluid that reduces friction. Mucous membranes are found in various parts of the body, such as the respiratory and digestive tracts, and they secrete mucus to protect and lubricate the surfaces.

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  • 2. 

    Which of the following is a connective tissue membrane?

    • A.

      Synovial membrane

    • B.

      Cutaneous

    • C.

      Mucous

    • D.

      Serous

    • E.

      Pleural

    Correct Answer
    A. Synovial membrane
    Explanation
    The synovial membrane is a connective tissue membrane that lines the cavities of joints, tendon sheaths, and bursae. It secretes synovial fluid, which lubricates the joints and reduces friction during movement. Unlike the other options listed, the synovial membrane is specifically associated with joints and is responsible for their smooth functioning.

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  • 3. 

    The skin is what membrane?

    Correct Answer
    cutaneous
    Explanation
    The correct answer is "cutaneous." Cutaneous refers to the skin, which is the outermost layer of the body that acts as a protective barrier. It is made up of multiple layers of cells and contains various structures such as hair follicles, sweat glands, and sensory receptors. The term "cutaneous" is commonly used in medical and anatomical contexts to describe anything related to or located on the skin.

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  • 4. 

    Although you bet wet while swimming, a tough protein within the skin prevents it from soaling up moisture like a sponge. This substance is ____.

    Correct Answer
    keratin
    Explanation
    Keratin is a tough protein found in the skin that acts as a barrier, preventing moisture from being absorbed like a sponge. It helps to keep the skin waterproof and prevents it from becoming saturated with water while swimming.

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  • 5. 

    Them most external region is composed of what cell structure?

    Correct Answer
    stratified squamous epithelium
    Explanation
    The most external region refers to the outermost layer of a tissue or organ. In this case, the correct answer is stratified squamous epithelium. Stratified squamous epithelium is a type of tissue that consists of multiple layers of flat cells. It is found in areas that experience wear and tear, such as the skin or the lining of the mouth and esophagus. This type of epithelium provides protection against mechanical stress and helps to prevent damage from abrasion or friction.

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  • 6. 

    What has no blood supply of its own?

    Correct Answer
    epidermis
    Explanation
    The epidermis is the outermost layer of the skin and does not have its own blood supply. It receives nutrients and oxygen from the underlying dermis through diffusion. This lack of blood vessels in the epidermis is important for its main function, which is to act as a protective barrier for the body against external factors such as pathogens, UV radiation, and dehydration.

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  • 7. 

    Which of the following homeostatic imbalances is caused by a virus?

    • A.

      Athlete's foot

    • B.

      Cold sores

    • C.

      Impetigo

    • D.

      Contact dermatitis

    • E.

      Cyanosis

    Correct Answer
    B. Cold sores
    Explanation
    Cold sores are caused by the herpes simplex virus. This viral infection manifests as small, painful blisters on the lips, mouth, or nose. The virus remains dormant in the body and can be triggered by factors such as stress, illness, or sun exposure. Cold sores are a result of the virus disrupting the normal balance of the body, causing localized inflammation and discomfort. The other options listed are not caused by viruses but by factors such as fungi, bacteria, or external irritants.

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  • 8. 

    What is the correct sequence of layers of the epidermis going from outermost to innermost layer? [CLGSB] stratus....

    Correct Answer
    corneum, lucidum, granulosum, spinosum, germinativum
    Explanation
    The correct sequence of layers of the epidermis going from outermost to innermost layer is corneum, lucidum, granulosum, spinosum, germinativum. This sequence represents the different layers of cells in the epidermis, with the corneum being the outermost layer and the germinativum being the innermost layer where new skin cells are produced. The lucidum, granulosum, and spinosum layers are located between the corneum and germinativum, each with their own functions in the skin's barrier and cell production processes.

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  • 9. 

    Melanocytes are found in the 

    Correct Answer
    stratum basale
    Explanation
    Melanocytes are cells responsible for producing the pigment melanin, which gives color to the skin, hair, and eyes. These cells are found in the stratum basale, the deepest layer of the epidermis. This layer is in direct contact with the underlying dermis and is responsible for the continuous production of new skin cells. Melanocytes transfer melanin to nearby skin cells to protect them from the harmful effects of UV radiation. Therefore, the stratum basale is the correct location for the presence of melanocytes.

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  • 10. 

    Epidermal cells that are actively mitotic & replace superficial cells that are continually rubbed off are ____.

    Correct Answer
    stratum germinative cells
    basale
    stratum germinative
    Explanation
    The correct answer for this question is "stratum germinative cells, basale, stratum germinative". The stratum germinative cells, also known as the basal cells, are located in the basal layer of the epidermis. These cells are actively mitotic, meaning they undergo cell division, and they replace the superficial cells that are constantly being rubbed off. Therefore, the stratum germinative cells play a crucial role in the regeneration and renewal of the epidermis.

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  • 11. 

    Which of the following is found in the dermis?

    • A.

      Melanocytes

    • B.

      Keratin

    • C.

      Stratum corneum

    • D.

      Pain & touch receptors

    • E.

      Adipose cells

    Correct Answer
    D. Pain & touch receptors
    Explanation
    Pain and touch receptors are found in the dermis. The dermis is the layer of skin located beneath the epidermis and is responsible for providing strength and elasticity to the skin. It contains various structures such as blood vessels, hair follicles, sweat glands, and nerve endings. Pain and touch receptors, also known as mechanoreceptors, are sensory receptors that detect and respond to mechanical stimuli such as pressure, vibration, and touch. These receptors are essential for our ability to sense and respond to external stimuli and are found within the dermis.

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  • 12. 

    Acne is a disorder associated with inflammation of the ____.

    Correct Answer
    sebaceous glands
    Explanation
    Acne is a common skin condition characterized by inflammation and blockage of the sebaceous glands. These glands are responsible for producing sebum, an oily substance that helps lubricate the skin. When the sebaceous glands become clogged, it can lead to the development of acne. The inflammation associated with acne is a result of the body's immune response to the blocked glands, causing redness, swelling, and the formation of pimples. Therefore, the correct answer is "sebaceous glands."

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  • 13. 

    Which of the following is NOT a true statement about the papillary layer of the dermis:

    • A.

      It is the deepest layer of the skin

    • B.

      It produces the pattern for fingerprints

    • C.

      It contains nerve endings

    • D.

      It is highly vascular

    • E.

      It is located immediately beneath the epidermis

    Correct Answer
    A. It is the deepest layer of the skin
    Explanation
    The papillary layer of the dermis is not the deepest layer of the skin. It is actually located immediately beneath the epidermis. The dermis has two layers, the papillary layer and the reticular layer, with the reticular layer being the deeper layer. The papillary layer is responsible for producing the pattern for fingerprints, contains nerve endings, and is highly vascular.

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  • 14. 

    Fingernails are a modification of the 

    Correct Answer
    epidermis
    Explanation
    Fingernails are a modification of the epidermis because they are made up of a tough protein called keratin, which is also found in the epidermis. The epidermis is the outermost layer of the skin and it protects the underlying tissues. Fingernails are formed by specialized cells in the epidermis called nail matrix cells, which produce keratin and push the nail forward as it grows. Therefore, the epidermis is responsible for the formation and growth of fingernails.

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  • 15. 

    The secretions of the ____ glands are 99% water, sodium chloride, & trace amounts of wastes, lactic acid, & vitamin C.

    Correct Answer
    eccrine
    Explanation
    The secretions of the eccrine glands are primarily composed of water, sodium chloride, and small amounts of waste products, lactic acid, and vitamin C. Eccrine glands are the most numerous sweat glands in the human body and are responsible for regulating body temperature through the production of sweat. This sweat is mostly composed of water and electrolytes, such as sodium chloride, which help to maintain the body's balance. The presence of lactic acid and vitamin C in the secretion may have additional functions, such as providing antibacterial properties or supporting skin health.

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  • 16. 

    The secretion of sebum is stimulated by ____.

    Correct Answer
    hormones
    hormones, especially male sex hormones
    Explanation
    The secretion of sebum, an oily substance that moisturizes the skin and hair, is stimulated by hormones, particularly male sex hormones. These hormones, such as testosterone, play a crucial role in regulating the production of sebum in the sebaceous glands. Increased levels of male sex hormones can lead to excessive sebum production, which can contribute to oily skin and acne.

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  • 17. 

    What is the first threat to life from a massive third-degree burn:

    Correct Answer
    dehydration
    Explanation
    A massive third-degree burn can cause severe damage to the skin, leading to the loss of fluids from the body. This loss of fluids can result in dehydration, which is a significant threat to life. Dehydration occurs when the body does not have enough water to carry out its normal functions. It can lead to complications such as electrolyte imbalances, organ failure, and even death if left untreated. Therefore, dehydration is a critical concern that needs to be addressed promptly in cases of massive third-degree burns.

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  • 18. 

    A physician estimates the volume of fluid lost in a severely burned patient by ____.

    Correct Answer
    using the rule of nines
    Explanation
    The rule of nines is a method used by physicians to estimate the volume of fluid lost in a severely burned patient. This method involves dividing the body into regions, with each region representing a certain percentage of the total body surface area. By assessing the extent of burn in each region, the physician can estimate the overall volume of fluid lost and determine the appropriate treatment plan for the patient.

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  • 19. 

    If a person has severe burns, the two most life-threatening concerns are:

    Correct Answer
    dehydration & infection
    dehydration and infection
    Explanation
    The correct answer is dehydration and infection. Severe burns can cause a loss of fluids from the body, leading to dehydration. This can be life-threatening as it can affect the functioning of vital organs. Additionally, burns can create an open wound, which increases the risk of infection. Infection can further complicate the healing process and pose a serious threat to the person's health. Therefore, both dehydration and infection are significant concerns in cases of severe burns.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 13, 2011
    Quiz Created by
    Loveseashell
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