Foot Health Practitioner - Qp4

The skin plays a crucial role in maintaining homeostasis by regulating body temperature. When the body gets too hot, the skin helps cool it down through the process of sweating. Sweat is produced by sweat glands in the skin, and as it evaporates, it cools the body. On the other hand, when the body gets too cold, the skin helps to conserve heat by constricting blood vessels and reducing blood flow to the skin's surface. This helps to keep the body warm. Therefore, the statement "The skin acts to maintain homeostasis by the regulation of body temperature" is true.

Keratin is a protein found in our hair, skin, and nails. It is known for its resistance to water and chemicals. This means that keratin is not easily damaged or affected by exposure to water or various chemicals. This property makes keratin a strong and durable protein, providing protection and strength to our hair and nails.

The skin is made up of various components, including nerve endings, cells, and sudoriferous glands. Nerve endings are responsible for transmitting signals to the brain, allowing us to feel sensations such as touch, temperature, and pain. The skin contains approximately 10,000 nerve endings, enabling us to have a sense of touch and perceive our surroundings. Additionally, the skin is composed of millions of cells, which play a crucial role in protecting the body from external factors and maintaining its overall health. Lastly, sudoriferous glands are responsible for producing sweat, which helps regulate body temperature. The skin contains around 200 sudoriferous glands, allowing us to perspire and cool down when necessary.

During the 3rd and 4th foetal months, hair follicles begin to form. This is the period in which the hair follicles develop and grow, ultimately leading to the growth of hair on the scalp.

The nail groove is not the visible portion of the nail. The nail groove refers to the indentation or groove on either side of the nail plate, where it meets the surrounding skin. This area is not typically visible when looking at the nail from the top. Therefore, the statement is false.

Erythema refers to redness of the skin, which can be caused by various factors such as embarrassment, burns, exertion, inflammation, infection, or allergic reactions. This redness occurs due to the dilatation of blood capillaries in the affected area.

The papillary layer is not the innermost layer, but rather the outermost layer of the dermis. It is composed of loose areolar connective tissue and contains blood vessels, nerve endings, and hair follicles. The innermost layer of the dermis is called the reticular layer, which is thicker and made up of dense irregular connective tissue. Therefore, the statement is false.