Some drugs are administered by applying them to the skin (e.g., anicotine skin patch to help a person stop smoking). The drug diffusesthrough the epidermis to blood vessels in the dermis. What kind ofsubstances can pass easily through the skin by diffusion? What kinds ofsubstances have difficulty diffusing through the skin?

Q: Which of the following skin cells would synapse with a motor neuron? arrector pili muscle…

A: Motor neurons are the brain and spinal cord cells that allow an individual to carry out general…

Q: Ultraviolet (UV) radiation is known to damage skin. UVA wavelengths are able to reach the dermis,…

A: Ultraviolet Radiations forms a part of the electromagnetic spectrum and is categorized according to…

Q: Part C. SKIN: Remember that epithelial tissues are more darkly stained because they have more cells?…

A: The skin's outermost layer, the epidermis, acts as the body's first line of defense against the…

Q: The outer layer of your skin is the epidermis: a keratinized stratified squamous epithelium. The…

A: Skin has two major tissue layers: one is epidermis which is on then outer side, and originated…

Q: Stimulation of sweat production by the sympathetics is done so by activating what type of receptors…

A: Sweat glands are coiled tubes structures that regulate this same body's temperature. Sweat glands in…

Q: Which of the following cell functions in the immune response in the skin?     Merkel cell…

A: Skin is a protective envelope around the body and is a part of integumentary system. It comprises of…

Q: Explain why you can scrap your skin but not bleed.

A: Skin plays a major role in protecting our body from infections and is considered a first-line of…

Q: Constant exposure of this layer of skin to friction results in abnormal thickening commonly referred…

A: Introduction: Skin is an example of a cutaneous membrane. It is a multi-layered membrane comprising…

Q: State one important function provided by the layer of epidermis indicated by the arrow:

A: The epidermis is the slight, external layer of the skin that is noticeable to the eye and attempts…

Q: When we are chilly, the arrector pillae muscles pull on the hair follicle to pull the hair shaft…

A: arrector pillae muscles are found on the dermis layer of the skin. Contraction of these muscles…

Q: Soap, as in baby wipes, can encourage the movement of antigens through the epidermis to dermal…

A: Skin is the outer most covering of the body surrounding muscles of our body. It is the largest organ…

Q: Which is NOT a role of sebum in the innate immune system. Group of answer choices dehydrates…

A: Sebaceous glands are present on the skin. The glands are mostly present on the chin, forehead and…

Q: When a mast cell reacts to an irritation, which of the following chemicals does it release?a.…

A: Immune cells of the myeloid lineage are mast cells .and are placed in connective tissues throughout…

Q: The skin helps regulate body temperature by evaporation of water from the skin. Why do you feel…

A: The skin is the largest organ present in the body. It causes the dilation of vessels for heat loss…

Q: The connective tissue that composes the dermis is Multiple Choice   dense regular connective.…

A: The tissue that are derived from embryonic mesoderm , present throughout the body to support and…

Q: Which layer of the epidermis contains dead cells filled with keratin? Stratum lucidum Stratum basale…

A: The skin is one of the major tissue in our body that aids in protection against physical, chemical…

Q: Epithelial surfaces provide the first line of defense against infection by the use of several types…

A: Introduction: Immunity is referred to as the resistance offered by the host against the pathogen or…

Q: What statement about sweat glands is true? Sudoriferous glands are located in the epidermis.…

A: Sweat glands are coiled tubular systems that are critical for regulating the temperature of the…

Q: The first cells which respond to penetration of the skin by a penetrating thorn are:     immune…

A: Skin acts as a protective covering for the body minimising loss of water from the body tissues.…

Q: The integumentary system consists of the skin and things that are made from the skin, like hair,…

A: The two principal layers, the epidermis and dermis, collectively form the skin. The epidermis…