Test - Skin, Homeostasis And More Flashcards
1. For a cell to move from the basal layer to the top of the epidermis takes approximately •3 - 5 weeks •2 weeks •3 weeks • 6 weeks or more
2 weeks
Notes 27. BP - Skin
2. How many layers of skin cells are found in the epidermis? •billions •1 billion •5 •none of these
5
Notes 27 BP - Skin
17. On the Skin Diagram #3 is pointing to (the layer beneath the dermis) •epidermis •hypodermis •dermis •subcutaneous tissue
Hypodermis and subcutaneous Tissue
Notes 20. CLF - Skin Diagram
22. Which of the following is not a function of the fibers of the dermis? •structure •elasticity •immunization •strength
Immunization
Notes 28. WKST - Skin
23. Which one of the following is not primary function of the skin? •temperature regulation •response to stimuli •vitamin B production •Protection
Vitamin B production
Notes 28. WKST - skin
- When the body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by
•an increase in blood flow to the skin and a decrease in sweat gland activity .
•an decrease in blood flow to the skin and a decrease in sweat gland activity.
•an increase in blood flow to the skin and an increase in sweat gland activity.
• an decrease in blood flow to the skin and a increase in sweat gland activity .
an increase in blood flow to the skin and an increase in sweat gland activity.
Notes 23. Homeostasis
27. Catalase is not a •protein •catalyst •chemical •enzyme •pigment •all of the above
Pigment
Notes 25. Lab - Enzyme and Temperature
- When the arrector poli muscles contract
•the hair on your arms and legs begins to curl
•goosebumps begin to form on your skin
•the body is able to lose heat
•no change is noted on the skin surface
•the sweat glands empty their contents onto the surface of the skin.
The body is able to lose heat
Notes 23. Homeostasis
- What can you conclude from the fact that your skin prevents harmful germs from entering your body?
•wearing heavy clothes will protect you from most diseases
•germs can enter your body through cuts and scrapes
•without skin, your immune system wouldn’t function
•your skin cells contain powerful antibiotics
Germs can enter your body through cuts and scrapes
Notes 28. WKST - Skin
62. Your dead skin cells make up what percentage of the dust in your house? •50% •30% •80% •90%
80%
Notes 27. BP - Skin
- What would not happen if the core body temperature was too low?
•shivering would release energy by muscle contraction
•there would be reduced blood flow through the skin capillaries
•sweat would cool the skin as it evaporates
•hair arrector muscles would contract
Sweat would cool the body as it evaporates
Notes 23. Notes - Homeostasis
76. High fever during an illness is part of which feedback? •static •negative •stasis •positive
Positive
Notes 23. Notes - Homeostasis
- 2H2O2(1) -> 02 + 2H20(1)
What chemicals are present in the formula above?
•glucose, glycogen, oxygen
•hydrogen peroxide, oxygen, water
•hydrogen Peroxide, glucose, carbon dioxide
•glucose, oxygen, water
Hydrogen Peroxide, oxygen, water
Notes 23. Notes - Homeostasis
- Skin cells produce _______________ which helps the digestive system absorb calcium.
Vitamin D
Notes 28. WKST - Skin
- Fat is one type of ____________ tissue.
Connective
Notes 17. Notes - Histology