Chapter 5: Integumentary

Question 1

Know diagram:

Answer 1

page 151

Question 2

pacinian corpuscle:

Answer 2

one of several structural and functional types of cutaneous sensory receptors

Question 3

Cell division would be most common amongst cells in which layer?

Answer 3

stratum basale

Question 4

t or f Tactile cells anchor the skin to the body.

Answer 4

F

Question 5

Which of the following represents a difference between eccrine sweat glands and apocrine sweat glands?

Answer 5

watery secretions of eccrine glands, apocrine sweat glands have secretions that are enriched with fats and proteins.

Question 6

Which layer(s) of the skin is(are) damaged in a second-degree burn?

Answer 6

The epidermis and the superficial region of the dermis are damaged

Question 7

Which of the following is a metabolic function of skin?

Answer 7

synthesis of a vitamin D precursor

Question 8

The ________ is a thin translucent band found only in thick skin.

Answer 8

stratum lucidum

Question 9

Melanin protects skin cell DNA from the damaging effects of ultraviolet (UV) radiation.

Answer 9

T

Question 10

most correct statement concerning skin cancer?

Answer 10

Melanomas are rare but must be removed quickly to prevent them from metastasizing

Question 11

We are told that every surface we touch is teeming with bacterial cells, and bacteria are found in the pools we swim in, the water we wash with, and on the hands of friends. Why are we not inundated with bacterial infections on our skin?

Answer 11

• not all bacteria are harmful to, or thrive on skin
• the low pH of skin secretions retard the multiplication of bacteria on the skin
• many bacteria are killed by bactericidal substances in sweat

Question 12

he superficial layer of the skin is composed of

Answer 12

keratinized stratified squamous epithelium.

Question 13

Earwax is made by ________.

Answer 13

ceruminous glands