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BIO 160 CH 4
A mucus membrane:
lines the digestive and respiratory tracts
A needle would pierce the skin of the forearm in which order?
1) stratum basale
2) stratum granulosum
3) stratum spinosum
4) stratum corneum
5) stratum lucidum
4, 2, 3, 1
As cells progress from the deeper portion of the epidermis towards the surface
they tend to die
Exposure to ultraviolet (UV) light causes the skin to darken by stimulating the production of:
Glands usually associated the skin of the genitals and the axillary region are known as
Mitosis occurs in which layer of the epidermis?
Hair, nails, and the outer layer of the skin are made mostly of a tough waterproof protein called
In the skin, arrector pili muscles are found mainly in the
are deep pressure sensitive receptors
Sebaceous glands secrete
The different layers of the epidermis have one feature in common. This feature is the:
absence of blood vessels
The papillary layer attachs to the:
stratum basal and reticular layer
The structure that contracts to cause "goose bumps" is the:
arrector pili muscle
The toughened outer portion of the hair is termed the:
The type of tissue making up the bulk of the dermis is:
dense (irregular) connective tissue
Two types of glands found in the skin are the _______ and _______ glands.
When assessing the extent of burns on the body using the rule of nines, the anterior and posterior trunk represents about what percentage of the body?
When you scratch your skin, what comes off as white flakes are mostly cells from the stratum:
Which of the following vitamins is synthesized in the skin?
You can cut your hair without feeling pain because:
the shaft of the hair consists of dead cells
A hair, produced by a hair follicle, is a type of _______ tissue
All epithelial membranes have a layer of _______ underneath them.
Sebaceus glands are usually associated with
First and second-degree burns are referred to as _______ burns.
Most of the cells of the epidermis are:
The cutaneous glands are all a type of _______ glands.
The deepest layer of the epidermis is called the:
The dermis is abundantly supplied with _______ which play a role in maintaining body temperature homeostasis
The epidermis and dermis are normally firmly connected together. However a burn or friction may cause these layers to separate which results in a:
The layer of the skin that is made of stratified squamous epithelium is called the _______.
The protein found in large amounts in the stratum corneum cells, nails, and hair is:
The thick proximal nail fold is commonly called the:
There are two types of sweat glands (also called sudoriferous glands) these are _______ and _______.
What chronic condition is characterized by reddened epidermal lesions covered with dry, silvery scales?
What is the least malignant and most common skin cancer?
basal cell carcinoma
What kind of membrane is composed of connective tissue but no epithelial cells?
What kind of membranes line body cavities that, except for the dorsal body cavity and joint capsules, do not open to the outside of the body?
Which of the following is NOT a characteristic of malignant melanoma?
Which of the following is NOT a function of skin?
produces vitamin C in the presence of sunlight
Which of the following statements is NOT true regarding melanin?
More melanin is produced when the skin is not exposed to sunlight.
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