Mastering A&P; Chapter 4

lamellar corpuscles

-- are deep pressure-sensitive receptors.

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

Which of the following statements is NOT true regarding melanin?

More melanin is produced when the skin is not exposed to sunlight.

One important role of the skin is to produce ___ which is essential to normal calcium absorption.

Vitamin D

Glands usually associated with the genitals and the axillary region, and which secrete fatty acids and proteins, are called ----.

apocrine glands

All epithelial membranes have a layer of ___ underneath them.

connective tissue

Which of these is associated with a skin allergy?

contact dermatitis psoriasis; impetigo; cold sores = incorrect

The type of tissue making up the bulk of the dermis is --.

dense (irregular) connective tissue

The ____ is the avascular, keratinized layer of skin.

epidermis

The epidermis is composed of ___ tissue. epithelial

epithelial

Which of these factors is/are the most likely cause of permanent hair loss?

genes chemotherapy; emotional crisis; dietary deficiency of protein = incorrect

Hair, nails, and the outer layer of the skin are made mostly of a tough waterproof protein called ___.

keratin

What kind of membranes line body cavities that do not open to the outside of the body (except for the dorsal body cavity and joint capsules)?

serous

Which of the following is NOT a characteristic of malignant melanoma?

smooth border

Mitosis occurs in which layer of the epidermis?

stratum basale

Sebaceous glands produce oils whereas the ___ glands produce sweat.

sudoriferous

As cells progress from the deeper portion of the epidermis towards the surface ---. they tend to die

they tend to die

As humans age, the skin's elasticity declines and skin gets ___.

thinner

Which of the following statements regarding the significance of alterations in skin color is FALSE?

Blanching (or pallor) may signify anemia, low blood pressure, allergy, or impaired blood flow into an area.

The terms sheath, bulb, and follicle all relate to which of the following?

hair

Sebaceous glands are usually associated with __.

hair follicle

A ---- lines the digestive and respiratory tracts.

mucous membrane

Burns are assessed by the rule of ___.

nines