Module 7 exam.pdf - BIOD 151 M7: Exam - Requires Respondus...

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Unformatted text preview: BIOD 151 M7: Exam - Requires Respondus LockDown Browser ! " + Webcam M7: Exam - Requires Respondus LockDown Browser + Webcam Due No due date Points 100 Ques!ons 27 Time Limit 60 Minutes Requires Respondus LockDown Browser A!empt History LATEST A"empt Time Score A!empt 1 11 minutes 97 out of 100 Score for this quiz: 97 out of 100 Submi!ed Aug 12 at 3:10pm This a!empt took 11 minutes. 5 / 5 pts Ques!on 1 Iden"fy 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: subutaneous granulosum epidermis Stratum granulosum; Epidermis (Must have both for full credit) 5 / 5 pts Ques!on 2 A- Iden"fy the sensory cell receptor highlighted in blue, below, also indicated by the arrow. B- What sensory informa"on is detected by this type of receptor? Your Answer: mesiner corpuscles detects touch and temperature A) Meisner’s corpuscles; B) Detects light touch and vibra!on (mechanoreceptor) 0 / 3 pts Ques!on 3 The layers of the epidermis, from superficial to deep are: swer Stratum corneum, stratum granulosum, stratum spinosum, stratum basale. ered 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 / 4 pts Ques!on 4 Exocrine glands secrete ______; Endocrine glands secrete ____. A. for body-wide distribu"on, into an epithelial lining B. into an epithelial lining, for body-wide distribu"on C. through a duct, into the bloodstream D. into the bloodstream, through a duct E. A&D ! F. B&C 3 / 3 pts Ques!on 5 Which of the following is false regarding the epidermis: It is avascular. ! As cells divide they are pushed towards the basement membrane. (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. 10 / 10 pts Ques!on 6 Match the cell with its single best descrip!on, using each descrip!on only once. ! Fibroblasts Produces collagen ! Kera!nocytes Produces a protein to protect the skin ! Langerhans cells Assists in immune responses ! Melanocytes Produces a pigment that absorbs UV rays ! ! ! ! ! ! ! ! ! ! Other Incorrect Match Op"ons: Detects pain Detects light touch 3 / 3 pts Ques!on 7 A person touches a hot cup of coffee. What type of sensory organ detects this informa"on? Your Answer: thermoreceptor Thermoreceptor 3 / 3 pts Ques!on 8 Main blood supply for the skin is found in what layer? Your Answer: dermis Dermis (re!cular region) 4 / 4 pts Ques!on 9 In your own words, how can the skin be used to determine if a person is dehydrated? Your Answer: if you pinch the back of a person hand and that area stays pinched then that means the person is severly dehydrated A person who is dehydrated has decreased water content in the dermal layer of their skin. A person can be tested for dehydra!on by pinching the skin on the back of the hand. One indicator of dehydra!on is when the skin does not recoil back to its normal shape but instead stays “ridged”. 5 / 5 pts Ques!on 10 What is the name and func"on of the structure below? (Highlighted in blue, also indicated by the arrow) Your Answer: arrecular pilli is a smooth muscle that contracts when the body expiernces cold or emoitonal responses Arrector pili, a smooth muscle which connects to each hair follicle. It contracts when the body is cold or experiences emo!onal responses. 5 / 5 pts Ques!on 11 What is the name and func"on of the structure below? (Highlighted in blue, also indicated by the arrow) Your Answer: sweat gland - produces sweat almost evry wher ein the body and helps regulate body temperature Sweat gland (or sudoriferous glands) produce sweat in almost every part of the skin, helping to regulate body temperature (perspira!on). 2 / 2 pts Ques!on 12 All of the following are func"ons of skin except: Absorb UV rays Thermoregula"on Perspira"on Produce vitamin K 2 / 2 pts Ques!on 13 The thickest region of the dermis is the: Re"cular Papillary Basement membrane Subcutaneous None of the above are layers of the dermis 2 / 2 pts Ques!on 14 The hypodermis is comprised mainly of: Adipocytes Re"cular cells Dermatomes Sebaceous glands 2 / 2 pts Ques!on 15 What is a contusion? A third degree burn An infec"on in the epidermis Damage to a broken blood vessel Subcutaneous injec"on 2 / 2 pts Ques!on 16 Informa"on from a dermatome travels to: The brain A hair follicle A gland The skin 10 / 10 pts Ques!on 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. Your Answer: this is a first degree burn. only the epidermis is affected. the skin is red, dry, and painful but does blister First-degree burn, also called a superficial burn Only the epidermis layer of the skin was damaged (Op!onal: The burned area burned becomes dry, red, and painful, without blistering.) 10 / 10 pts Ques!on 18 Answer the following clinical case scenario: Your pa"ent was injured in a cooking accident. The burn damaged the en"re epidermis, dermis and slightly into the subcutaneous layer. 1- What degree of burn best describes your pa"ent’s injury? 2- Would your pa"ent experience pain in the injured area? Why or why not? Your Answer: this is a third degree burn. the pa"ent would s"ll feel pain because the senory nerves are damaged but can s"ll experince pain -3rd degree (full thickness) -Yes, the extensive damage to the dermis layer of the skin makes third degree burns extremely painful. Sensory receptors are damaged but s!ll present, so the pa!ent experiences pain. Ques!on 19 2.5 / 2.5 pts This part of a hair contains blood and nervous supply: Kera"n Root Sha$ Bulb Ques!on 20 2.5 / 2.5 pts Hair is made up of: Living epidermal cells converted to kera"n Dead epidermal cells converted to kera"n Living epidermal cells converted to collagen Dead epidermal cells converted to collagen Ques!on 21 2.5 / 2.5 pts Nails are hard, dead cells which have been converted to _____ Collagen Kera"n Calcium Corneum Ques!on 22 2.5 / 2.5 pts The nail _____ is a por"on of the nail not visible. cu"cle body root lunula Ques!on 23 2 / 2 pts Why would a person receive a skin gra$? Your Answer: a person would recieve a skin gra$ if they have severe skin damage to a large po"on of the body. (1) Skin gra#ing decreases recovery !me and prevents infec!on OR (2) If skin has been damaged severely and/or covers a large surface area Ques!on 24 2 / 2 pts What substance from the blood accumulates to form a clot? White blood cells Red blood cells Macrophages Platelets Ques!on 25 Mast cells secrete what chemical? 2 / 2 pts ...
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