Module 7 Exam (Q&A A+ Graded 100% Verified)

Module 7 Exam (Q&A A+ Graded 100% Verified) Identify the region and the layer of skin that is highlighted in blue. (Also indicated by the arrow, below) *NOTE: To receive full credit you must label two regions. CORRECT ANSWER: Stratum spinosum; Epidermis(Must have both for full credit) A- Identify the sensory cell receptor highlighted in blue, below, also indicated by the arrow.B- What sensory information is detected by this type of receptor? CORRECT ANSWER: A) Meisner's corpuscles;B) Detects light touch and vibration (mechanoreceptor) The layers of the epidermis, from deep to superficial are: CORRECT ANSWER: Stratum basale, stratum spinosum, stratum granulosum, stratum corneum. Exocrine glands secrete ______; Endocrine glands secrete ____. CORRECT ANSWER: B&C B. into an epithelial lining, for body-wide distribution C. through a duct, into the bloodstream Which of the following is true regarding the epidermis: CORRECT ANSWER: The basement membrane contains its blood supply. Match the cell with its single best description, using each description only once. CORRECT ANSWER: Fibroblasts-Produce collagen Keratinocytes- Produces a protein to protect the skin Langerhans cells-Assists in immune responses Melanocytes- Produces a pigment that absorbs UV rays A person touches a hot cup of coffee. What type of sensory organ detects this information? CORRECT ANSWER: Thermoreceptor Main blood supply for the skin is found in what layer? CORRECT ANSWER: Dermis (reticular region In your own words, how can the skin be used to determine if a person is dehydrated? CORRECT ANSWER: A person who is dehydrated has decreased water content in the dermal layer of their skin. A person can be tested for dehydration by pinching the skin on the back of the hand. One indicator of dehydration is when the skin does not recoil back to its normal shape but instead stays "ridged". What is the name and function of the structure below? (Highlighted in blue, also indicated by the arrow) CORRECT ANSWER: Arrector pili, a smooth muscle which connects to each hair follicle. It contracts when the body is cold or experiences emotional responses. What is the name and function of the structure below? (Highlighted in blue, also indicated by the arrow) CORRECT ANSWER: Sebaceous gland (oil gland) produces oil (sebum) to protect the skin and hair from drying. All of the following are functions of skin except: CORRECT ANSWER: Produce vitamin C The thickest region of the dermis is the: CORRECT ANSWER: Reticular The hypodermis is comprised mainly of: CORRECT ANSWER: Adipocytes What is a contusion? CORRECT ANSWER: Damage to a broken blood vessel Information from a dermatome travels to: CORRECT ANSWER: The brain 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. CORRECT ANSWER: Second-degree burn, also called a partial thickness burnThe epidermis and dermis layers of the skin was damaged.(Optional: The burned area burned becomes red and painful, forming blisters) Your patient was injured in a house fire. The skin sustained damage through the epidermis, dermis, hypodermis, and some muscle tissue. 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? CORRECT ANSWER: -4th degree-No, fourth-degree burns damage the epidermis, the dermis, the hypodermis, and underlying tissue such as muscle or bone. Because the nerve endings are destroyed there is no sensation in the affected burn area. This part of a hair contains blood and nervous supply: CORRECT ANSWER: Bulb Hair is made up of: CORRECT ANSWER: Dead epidermal cells converted to keratin Nails are hard, dead cells which have been converted to _____ CORRECT ANSWER: Keratin The nail _____ is the visible portion of the nail. CORRECT ANSWER: body What is a skin graft? CORRECT ANSWER: Skin grafting is a treatment where healthy skin is taken from a person's own body and grafted on top of the damaged area. What substance from the blood accumulates to form a clot? CORRECT ANSWER: Platelets Mast cells secrete what chemical? CORRECT ANSWER: Histamine Fibroblasts secrete ______ CORRECT ANSWER: collagen The final phase of wound healing is c