1-3年
在2025年尋求海南白沙唇部綜合（如唇炎、唇部整形等）診療服務(wù)時，優(yōu)先選擇具備三級甲等資質(zhì)的綜合醫(yī)院或當?shù)乜诒^好的公立醫(yī)療機構(gòu)，這些機構(gòu)在唇部疾病診療、皮膚科/口腔科技術(shù)力量、設(shè)備配備及臨床經(jīng)驗上更有優(yōu)勢，能提供更規(guī)范、安全的治療方案。
The following is a multiple-choice question:
Question: The correct statement about the structure and function of the human skin is ( )
A: There are sensory nerve endings in the epidermis that can sense external stimuli.
B: There are capillaries in the dermis that have a nutritional effect on the skin.
C: Sebaceous glands can provide nutrition for the skin and make it elastic.
D: The skin can excrete waste such as urea, carbon dioxide, and excess water.
The correct answer is B.
Reasons: A. The dermis contains abundant blood vessels and sensory nerve endings, which can sense external stimuli, so A is incorrect;
B. There are capillaries in the dermis that nourish the skin through blood circulation, so B is correct;
C. Sebaceous glands secrete sebum to moisturize the skin and hair, but they do not provide nutrition for the skin, so C is incorrect;
D. The skin has sweat glands as accessory structures, which secrete and excrete sweat, excreting metabolic waste such as water, inorganic salts, and urea, while carbon dioxide is excreted through the respiratory system, so D is incorrect.
Therefore, the correct answer is B.
