A P 1 101 MODULE 7 EXAM 7 INTERGUMENTARY SYSTEM PORTAGE LEARNING 2024 UPDATE A P 1 101 MODULE 7 EXAM 7 INTERGUMENTARY SYSTEM PORTAGE LEARNING 2022 UPDATE Question 1 0 5 pts 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 Your Answer papilary region of the dermis Stratum spinosum Epidermis Must have both for full credit Question 2 5 5 pts 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 Your Answer A Pacinian Corpuscles is amechanoreceptor that detects pressuer applied to the skin Pacinian Corpuscles detects vibration A Pacinian corpuscle B Detects pressure mechanoreceptor Question 3 3 3 pts The layers of the epidermis from superficial to deep are Correct 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 Question 4 4 4 pts Endocrine glands secrete Exocrine 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 Correct E A D F B C Question 5 3 3 pts Which of the following is true regarding the epidermis It is highly vascular It is comprised of five distinct layers Correct The basement membrane contains its blood supply Epidermal ridges change throughout a person s lifetime Question 6 7 5 10 pts Match the cell with its single best description using each description only once Correct Keratinocytes You Answered Fibroblasts Correct Answer Produces collagen Correct Melanocytes Correct Langerhans cells Other Incorrect Match Options Detects light touch Detects pain Question 7 3 3 pts A person touches a hot cup of coffee What type of sensory organ detects this information Your Answer Question 8 3 3 pts Merkel cells are embedded in what layer of the skin Your Answer Thermoreceptors Thermoreceptor Epidermis Epidermis Your Answer Question 9 4 4 pts In your own words how can the skin be used to determine if a person is dehydrated If you pinch the skin on the back of a persons hand if it stays pinched instead of going back it means this person is dehydrated 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 Question 10 5 5 pts What is the name and function of the structure below Highlighted in blue also indicated by the arrow Arrector pilli muscle It function is to contract when our body gets cold Arrector pili a smooth muscle which connects to each hair follicle It contracts when the body is cold or experiences emotional responses Your Answer Question 11 5 5 pts What is the name and function of the structure below Highlighted in blue also indicated by the arrow sebaceous gland It secretes sebum that helps our skin and hair from drying Sebaceous gland oil gland produces oil sebum to protect the skin and hair from drying All of the following are functions of skin except Your Answer Question 12 2 2 pts Absorb UV rays Thermoregulation Perspiration Correct Produce vitamin K Question 13 2 2 pts The thickest region of the dermis is the Correct None of the above are layers of the dermis Question 14 2 2 pts The hypodermis is comprised mainly of Correct Reticular Papillary Basement membrane Subcutaneous Adipocytes Reticular cells Dermatomes Sebaceous glands Question 15 2 2 pts What is a contusion A third degree burn An infection in the epidermis Correct Damage to a broken blood vessel Subcutaneous injection Question 16 2 2 pts Information from a dermatome carries information from The brain The spinal cord A gland Correct The skin Question 17 10 10 pts 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 Your Answer Second degree burn Epidermis and part of dermis is damaged Second degree burn also called a partial thickness burn The epidermis and dermis layers of the skin was damaged Optional The burned area burned becomes red and painful forming blisters Question 18 10 10 pts Answer the following clinical case scenario 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 Your Answer fourth degree Because nerve endings are damaged the patient may or may not feel pain 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 Question 19 2 5 2 5 pts This part of a hair contains blood and nervous supply Keratin Root Shaft Correct Bulb Question 20 2 5 2 5 pts Hair is made up of Living epidermal cells converted to keratin Correct Dead epidermal cells converted to keratin Living epidermal cells converted to collagen Dead epidermal cells converted to collagen Keratin Collagen Calcium Corneum Question 22 2 5 2 5 pts The nail root Correct body matrix phalanx Question 21 2 5 2 5 pts Nails are hard dead cells which have been converted to Correct is the visible portion of the nail Question 23 2 2 pts Why would a person receive a skin graft Your Answer beacuse the skin is severly damaged or persons burn covers large area 1 Skin grafting decreases recovery time and prevents infection OR 2 If skin has been damaged severely and or covers a large surface area Question 24 2 2 pts What substance from the blood accumulates to form a clot White blood cells Red blood cells Correct Platelets Macrophages Question 25 2 2 pts Mast cells secrete what chemical Collagen Correct Histamine Platelets Heparin Question 26 2 2 pts Macrophages secrete histamine remove fibroblasts Correct engulf bacteria replace old tissue matrix Question 27 2 2 pts A scar is called clotting maintains full function of the original tissue Correct is an overgrowth of fibrous connective tissue supports the tissue matrix until the