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BIOD 151: CHEM 103 MODULE I EXAM TETS WITH ANSWERS
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BIOD 151: CHEM 103 MODULE I EXAM TETS WITH ANSWERS
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BIOD 151: CHEM 103 MODULE I EXAM TETSWITH ANSWERS
1. 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.
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)
Answer the following clinical case scenario:
,1. 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?
-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.
1) This patient has fourth degree burn.
2)Sense the nerve endings are destroyed in the affected area, the patient will not feel pain in
that area.
Answer the following four questions:
1. This part of a hair contains blood and nervous supply:
A. Bulb
B. Root
C. Shaft
D. Keratin
A. Bulb
,2. Hair is made up of:
A. Living epidermal cells converted to collagen
B. Dead epidermal cells converted to collagen
C. Living epidermal cells converted to keratin
D. Dead epidermal cells converted to keratin
D. Dead epidermal cells converted to keratin
3. Nails are hard, dead cells which have been converted to
A. Keratin
B. Collagen
C. Calcium
D. Corneum
A. Keratin
, 4. The nail is a portion of the nail not visible.
A. cuticle
B. body
C. root
D. lunula
C. root
Answer the following five questions:
1. Why would a person receive a skin graft?
(1) Skin grafting decreases recovery time and prevents infection
OR
(2) If skin has been damaged severely and/or covers a large surface area
Skin graft may be required if the skin has been severely damaged or if a burn covers a large
area. Skin grafting is a treatment that can be used with burn victims to help in damaged skin
recovery. Its when healthy skin is grafted on top of damaged skin.
2. What substance from the blood accumulates to form a clot?
A. White blood cells
B. Red blood cells
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