A&P 1 101 MODULE 7 EXAM 7 INTERGUMENTARY SYSTEM PORTAGE LEARNING 2024 UPDATE

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 old cells are developed.

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