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Prepare for a thorough assessment of your knowledge on the Integumentary System with the BIOD 151 Module 7 Exam from Portage Learning. This comprehensive exam delves into the intricacies of skin structure, functions of hair and nails, wound healing processes, and common skin disorders, ensuring a well-rounded evaluation of your understanding. Crafted by experts, the exam encompasses various question formats including multiple-choice and short-answer, mirroring standardized tests to hone your test-taking skills. With its alignment to course objectives and real-world relevance, this exam serves as both a study aid and an assessment tool, providing invaluable insights into your grasp of essential concepts in human anatomy and physiology.
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3. The layers of the epidermis, from deep to superficial are: Stratum corneum, stratum granulosum, stratum spinosum, stratum basale. Stratum basale, stratum spinosum, stratum granulosum, stratum corneum. Stratum basale, stratum granulosum, stratum corneum, Stratum spinosum. Stratum corneum, stratum spinosum, stratum granulosum, stratum basale. 3. The layers of the epidermis, from superficial to deep are: Stratum corneum, stratum granulosum, stratum spinosum, stratum basale. Stratum basale, stratum spinosum, stratum granulosum, stratum corneum Stratum spinosum, stratum granulosum, stratum corneum, Stratum basale Stratum corneum, stratum spinosum, stratum granulosum, stratum basale 4. Exocrine glands secrete ; Endocrine glands secrete. A. for body-wide distribution, into an epithelial lining B. into an epithelial lining, for body-wide distribution C. through a duct, into the bloodstream D. into the bloodstream, through a duct E. A&D F. B&C 5. Which of the following is true regarding the epidermis: It is highly vascular. It is comprised of five distinct layers. The basement membrane contains its blood supply. Epidermal ridges change throughout a person’s lifetime. 5. Which of the following is false regarding the epidermis: It is avascular. As cells divide they are pushed towards the basement membrane. **Module 7 Exam
(False, as cells divide they are pushed towards the external surface of the stratum corneum) The cells of the stratum basale cells have a high rate of cell division. Epidermal ridges form a person’s fingerprints.
12. All of the following are functions of skin except: A. Absorb UV rays B. Produce vitamin C C. Thermoregulation D. Protection for underlying tissues 13. The thickest region of the dermis is the: Reticular Papillary Basement membrane Subcutaneous None of the above are layers of the dermis 14. The hypodermis is comprised mainly of: Adipocytes Reticular cells Dermatomes Sebaceous glands 15. What is a contusion? A third degree burn An infection in the epidermis Damage to a broken blood vessel Subcutaneous injection 16. Information from a dermatome travels to: The brain A hair follicle A gland The skin 17. Answer the following clinical case scenario: This injury, seen below, is best described as what degree of burn? Explain what layer/s of skin are damaged in this type of burn. First degree burn, also called superficial burns. Only damage the epidermis layer of the skin. The burn area becomes dry, red, and painful, without blistering 18. Your patient was injured in a cooking accident. The burn damaged the entire epidermis, dermis and slightly into the subcutaneous layer. 1 - What degree of burn best describes your patient’s injury? 2 - Would your patient experience pain in the injured area? Why or why not? 1 - third degree burns. 2 - The injured skin will look white and could have a charred appearance. The extensive damage to the dermis layer of the skin causes an extreme amount of pain. This is because sensory nerves are intact even though they are damaged.
19. This part of a hair contains blood and nervous supply: Bulb Root Shaft Keratin 20. Hair is made up of: Living epidermal cells converted to collagen Dead epidermal cells converted to collagen Living epidermal cells converted to keratin Dead epidermal cells converted to keratin 21. Nails are hard, dead cells which have been converted to Keratin Collagen Calcium Corneum 22. The nail is the visible portion of the nail. root body matrix phalanx 22. The nail is a portion of the nail not visible. cuticle body root lunula 23. What is a skin graft? This is a treatment where healthy skin is taking from the person's own body and grafted on top of damaged area. Skin grafting prevents infection and decreases recovery time. 23. Why would a person receive a skin graft? A person would receive a skin graft if they have severe skin damage to a large portion of the body. This helps prevent infection and makes recovery faster. 24. What substance from the blood accumulates to form a clot? White blood cells Red blood cells Macrophages Platelets 25. Mast cells secrete what chemical? Histamine Fibroblasts Pathogen Heparin