Anatomy section 4.4 - 4.7

Which of the following explains the functions of merocrine sweat glands?

- excretion - protection - thermoregulation

Following either partial or full thickness burns, clinicians must be concerned about which potential medical problems?

- loss of excess fluid - absorption of toxic substances - infection

Production of vitamin D decreases with age by what percentage?

75 %

Which of the following statements is not true, concerning hair production?

Hair follicles extend deep into the dermis, but they never project into the subcutaneous layer.

Which of the following statements is not true, concerning the sebaceous glands?

Sebaceous glands function in thermoregulation

Which of the following statements regarding the follicular structures of hair is FALSE?

The glassy membrane is a thin basal lamina, wrapped in a dense connective tissue sheath.

All of the following are true of apocrine sweat glands, except:

They are also called eccrine sweat glands

What type of hair found on the body is called "peach fuzz"?

Vellus hairs

The subcutaneous layer consists of loose connective tissue with an abundance of which of the following?

adipocytes

Mammary glands are examples of which type of exocrine gland?

apocrine gland

A ribbon of smooth muscle, which pulls on a hair follicle and elevates the hair in response to cold temperature or fear, is called a(n):

arrector pili

Which part of a piece of hair contains hard keratin that gives hair its stiffness?

cortex

When an extensive skin injury is in the process of repair, a mass of fibroblasts, blood clot, and large capillary network forms; this is called:

granulation tissue

The subcutaneous layer is also known as the __________.

hypodermis

Which hair type(s) does/do not have a distinct medulla?

intermediate and villus

Underlying blood vessels give nails a pinkish appearance. Near the nail root, however, the blood vessels lie deeper in the skin, resulting in a pale crescent, called the:

lunula

Which of the following is NOT an effect of aging on the integumentary system?

melanocyte activity increases

Nail production takes place at the __________.

nail root

When the skin is subjected to mechanical stresses, the stem cells divide more rapidly and the depth of the epithelium increases in which layer of the epidermis?

stratum basale

Which of the following is composed of loose connective tissue with abundant adipocytes?

subcutaneous layer