Podcast
Questions and Answers
What is the main function of the stratum basale layer?
What is the main function of the stratum basale layer?
- To produce keratin
- To provide a germinal layer for cell division (correct)
- To allow skin shedding
- To regulate skin pigmentation
What is the main component of the stratum corneum?
What is the main component of the stratum corneum?
- Columnar or cuboidal cells
- Granules within the cells
- Flattened fused cell remnants composed of keratin (correct)
- Living cells with nuclei
What is the approximate duration of the entire epidermal cycle in humans?
What is the approximate duration of the entire epidermal cycle in humans?
- 30 days
- 21 days
- 27 days (correct)
- 14 days
What is the layer of the epidermis where cells start to lay down keratin?
What is the layer of the epidermis where cells start to lay down keratin?
What is the factor responsible for the inherent yellowish color of human skin?
What is the factor responsible for the inherent yellowish color of human skin?
What is the layer of the epidermis that is only present in thick skin?
What is the layer of the epidermis that is only present in thick skin?
What percentage of a normal person's mass is made up of skin?
What percentage of a normal person's mass is made up of skin?
What is the outermost layer of the skin composed of?
What is the outermost layer of the skin composed of?
What is the function of sebum, a secretion from the sebaceous glands?
What is the function of sebum, a secretion from the sebaceous glands?
What is the layer of skin below the dermis composed of?
What is the layer of skin below the dermis composed of?
What protein is present in the epidermis and gives rise to several structures such as hair, nails, hooves, and horns?
What protein is present in the epidermis and gives rise to several structures such as hair, nails, hooves, and horns?
What is the process by which the epidermis undergoes change to form the surface layer (corneum)?
What is the process by which the epidermis undergoes change to form the surface layer (corneum)?
What is one of the primary functions of the skin?
What is one of the primary functions of the skin?
What is the outermost layer of the skin responsible for?
What is the outermost layer of the skin responsible for?
What is the role of hair in thermoregulation?
What is the role of hair in thermoregulation?
What is the skin responsible for in terms of sensation?
What is the skin responsible for in terms of sensation?
What is the role of melanin in the skin?
What is the role of melanin in the skin?
What is the skin responsible for in terms of metabolism?
What is the skin responsible for in terms of metabolism?
