The Skin
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Questions and Answers

Which of the following is the primary function of the skin?

  • Maintains homeostasis
  • Prevents the entry of disease-causing microbes (correct)
  • Produces vitamin D
  • Regulates body temperature

What is the largest organ of the human body?

  • Heart
  • Skin (correct)
  • Liver
  • Lungs

Which layer of the skin is composed of stratified squamous epithelium?

  • Epidermis (correct)
  • Subcutaneous tissue
  • Hypodermis
  • Dermis

What is the main protein found in the cells of the epidermis?

<p>Keratin (D)</p> Signup and view all the answers

Which layer of the epidermis provides the skin's nonspecific defense against invasive pathogens?

<p>Stratum corneum (C)</p> Signup and view all the answers

Which layer of the skin contains blood vessels and nerve cells?

<p>Dermis (B)</p> Signup and view all the answers

Which of the following structures are NOT found in the dermis?

<p>Blood vessels (B)</p> Signup and view all the answers

What do oil glands in the skin produce?

<p>Oils to keep the skin and hair flexible (D)</p> Signup and view all the answers

What is the function of sweat glands in the skin?

<p>Regulate body temperature (B)</p> Signup and view all the answers

Which layer of the skin is vascular?

<p>Dermis (A)</p> Signup and view all the answers

Which glands are responsible for secreting oil onto the hair shaft?

<p>Sebaceous glands (D)</p> Signup and view all the answers

Where are sebaceous glands located?

<p>Wherever there is hair (D)</p> Signup and view all the answers

What is the main function of sweat glands?

<p>Producing sweat in response to internal temperature (D)</p> Signup and view all the answers

What happens when blood vessels in the dermis dilate?

<p>A larger volume of blood flows from the core of the body to the skin (C)</p> Signup and view all the answers

What is the function of the hair follicle?

<p>To produce a hair shaft (C)</p> Signup and view all the answers

What is the innermost layer of the hair shaft responsible for?

<p>Coloring the hair (D)</p> Signup and view all the answers

What happens when the blood flow through the bulb of the hair follicle decreases?

<p>The hair shaft is lost (D)</p> Signup and view all the answers

What are nails made of?

<p>Keratinized cells (B)</p> Signup and view all the answers

Where do nails arise from?

<p>The lunular at the base of the nail bed (D)</p> Signup and view all the answers

What is the cuticle?

<p>A layer of epidermis covering the base of the nail (A)</p> Signup and view all the answers

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