Answer: first statement that Keratin is a protein in the cells of the epidermis that provides strength and waterproofing is correct
Explanation:
The outer layer of skin, the epidermis, provides waterproofing and serves as a barrier to infection.
The middle layer of skin, the dermis, contains blood vessels, nerves, and glands that are important for our skin’s function. The inner layer of the skin, the subcutis, contains fat that protects us from trauma. The cells in all of the layers except the stratum basale are called keratinocytes. A keratinocyte is a cell that manufactures and stores the protein keratin. Keratin is an intracellular fibrous protein that gives hair, nails, and skin their hardness and water-resistant properties.
Keratin is an important protein in the epidermis. Keratin has two main functions: to adhere cells to each other and to form a protective layer on the outside of the skin. In epithelial cells, keratin proteins inside the cell attach to proteins called desmosomes on the surface.
1. A<span>ccording to the national clearing house of alcohol and drug information (NCADI), most children under the age of 21, </span>who do not participate in drug and alcohol abuse, is virtually certain to never do so.<span>
2. T</span>he average age when youth first try alcohol is 11 years for boys and 13 <span>years for girls. The average age at which Americans begin drinking regularly in 15.9 years old.
3. Nicotine is the addictive chemical found in tobacco. </span>
According to the research, the nurse should advise a client undergoing chemotherapy to avoid the consumption of sugars, white flours and fatty foods.
<h3>What is chemotherapy?</h3>
It is the treatment of cancer through a cellular alteration through the synthesis of proteins or nucleic acids, or through cell division itself.
Depending on the type of tumor, its location and chemotherapy, it is important that patients have good nutrition by avoiding and reducing the consumption of white or brown sugar, sweets, fatty foods, white flour, bread, pasta.
Therefore, we can conclude that according to the research, the nurse should advise a client undergoing chemotherapy to avoid the consumption of sugars, white flours and fatty foods.
Learn more about chemotherapy here: brainly.com/question/14958274
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