Podcast
Questions and Answers
Which region of the body allows for the most rapid transdermal absorption due to the thinness of the stratum corneum?
Which region of the body allows for the most rapid transdermal absorption due to the thinness of the stratum corneum?
- Hands
- Scrotum (correct)
- Back
- Chest
What is the precursor to vitamin D3 that is converted in the skin upon exposure to ultraviolet rays?
What is the precursor to vitamin D3 that is converted in the skin upon exposure to ultraviolet rays?
- Parathyroid hormone
- 7-dehydrocholesterol (correct)
- Calcitriol
- Cholecalciferol
Individuals who avoid sun exposure or live in colder climates may require vitamin D supplements to prevent which condition?
Individuals who avoid sun exposure or live in colder climates may require vitamin D supplements to prevent which condition?
- Scurvy
- Kwashiorkor
- Rickets (correct)
- Osteoporosis
What is the active form of vitamin D that stimulates the small intestine to absorb calcium and phosphate?
What is the active form of vitamin D that stimulates the small intestine to absorb calcium and phosphate?
Which process is enhanced by vitamin D and involves increased production of antimicrobial substances in phagocytes?
Which process is enhanced by vitamin D and involves increased production of antimicrobial substances in phagocytes?
In the kidneys, what converts 25-hydroxycholecalciferol into calcitriol, the most active form of vitamin D?
In the kidneys, what converts 25-hydroxycholecalciferol into calcitriol, the most active form of vitamin D?
How does the skin help reduce water loss?
How does the skin help reduce water loss?
Which of the following is NOT a function of melanin in the skin?
Which of the following is NOT a function of melanin in the skin?
What is the primary role of sebum released by sebaceous glands?
What is the primary role of sebum released by sebaceous glands?
How does the acidic pH of perspiration contribute to skin protection?
How does the acidic pH of perspiration contribute to skin protection?
Which cells within the skin have immunological functions related to microbial defense?
Which cells within the skin have immunological functions related to microbial defense?
How do blood vessels in the dermis contribute to overall body temperature regulation?
How do blood vessels in the dermis contribute to overall body temperature regulation?
How does the skin contribute to thermoregulation?
How does the skin contribute to thermoregulation?
Which type of skin has a thicker epidermis and is more associated with thermoregulation?
Which type of skin has a thicker epidermis and is more associated with thermoregulation?
Which of the following is a function of eccrine sweat glands in thermoregulation?
Which of the following is a function of eccrine sweat glands in thermoregulation?
What role do blood vessels in the dermis play in response to high environmental temperature?
What role do blood vessels in the dermis play in response to high environmental temperature?
What local variations are related to the skin's vascularity?
What local variations are related to the skin's vascularity?
