Question 1
The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated ________.
◦ by high temperatures
◦ as a protective coating when one is swimming
◦ by hormones, especially androgens
◦ when the air temperature drops
Question 2
In addition to protection (physical and chemical barrier), the skin serves other functions. Which of the following is another vital function of the skin?
◦ It aids in the transport of materials throughout the body.
◦ It absorbs vitamin C so that the skin will not be subject to diseases.
◦ The cells of the epidermis store glucose as glycogen for energy.
◦ It converts modified epidermal cholesterol to a vitamin D precursor important to calcium metabolism.
Loewi's experimental discovery of chemical neurotransmission.
Assessing skin turgor.
Chemical modification of proteins
A dose-response curve describes the relationship between the quantity of the chemical entering the ...