BIOD 151 Module 7 Exam 2025 Questions and Answers- Portage Learning| Highly 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. - Answer--Stratum granulosum; Epidermis Exocrine glands secrete ______; Endocrine glands secrete ____. - Answer--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 E. A&D Correct! F. B&C Which of the following is true regarding the epidermis: - Answer--It receives its blood supply from the deeper dermis layer. Match the cell with its single best description, using each description only once. Keratinocytes Fibroblasts Melanocytes Langerhans cells - Answer--Keratinocytes Produces a protein to protect the skin Fibroblasts Produces collagen Melanocytes Produces a pigment that absorbs UV rays Langerhans cells Assists in immune responses A person touches a hot cup of coffee. What type of sensory organ detects this information? - Answer--Thermoreceptor Main blood supply for the skin is found in what layer? - Answer--Dermis (reticular region) In your own words, how can the skin be used to determine if a person is dehydrated? - Answer--Skin can be pinched to see if a person is dyhydrated. If the skin does not snap back then the person is dehydrated. What is the name and function of the structure below? (Highlighted in blue, also indicated by the arrow) - 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) - Answer--sebaceous gland. It's function is to secrete oil( sebum) to hair and skin. All of the following are functions of skin except: - Answer--Produce vitamin K The thickest region of the dermis is the: - Answer--Reticular The hypodermis is comprised mainly of: - Answer--Adipocytes What is a contusion? - Answer--Damage to a broken blood vessel Information from a dermatome