The Integumentary System

The papillary layer of the dermis is most closely associated with which layer of the epidermis?

• a. stratum spinosum

• b. stratum corneum 

  
  

• c. stratum granulosum

• d. stratum basale

2. Langerhans cells are commonly found in the ________.

•  a. stratum spinosum 

• b. stratum corneum 

• c. stratum granulosum 

• d. stratum basale

3.The papillary and reticular layers of the dermis are composed mainly of ________. 

• a. melanocytes 

• b. keratinocytes 

• c. connective tissue 

• d. adipose tissue

4. Collagen lends ________ to the skin. 

 

• a. elasticity 

• b. structure 

• c. color

• d. UV protection

5.Which of the following is not a function of the hypodermis? 

• a. protects underlying organs 

• b. helps maintain body temperature 

• c. source of blood vessels in the epidermis 

• d. a site to long-term energy storage

6. In response to stimuli from the sympathetic nervous system, the arrector pili ________. 

• a. are glands on the skin surface 

• b. can lead to excessive sweating 

• c. are responsible for goose bumps 

• d. secrete sebum

7.The hair matrix contains ________.

• a. the hair follicle

  
  

•  b. the hair shaft 

• c. the glassy membrane 

• d. a layer of basal cells

8.Eccrine sweat glands ________. 

• a. are present on hair 

• b. are present in the skin throughout the body and produce watery sweat 

• c. produce sebum 

• d. act as a moisturizer

9.Sebaceous glands ________. 

 

• a. are a type of sweat gland 

• b. are associated with hair follicles

• c. may function in response to touch 

• d. release a watery solution of salt and metabolic waste 

10.Similar to the hair, nails grow continuously throughout our lives. Which of the following is furthest from the nail growth center? 

• a. nail bed 

• b. hyponychium 

• c. nail root 

• d. eponychium