Ten questions on the structure of the epidermis

Structure of the epidermis
Created 2019.
This exercise will ask you a set of ten questions on the structure of the epidermis. Each question contains only one correct answer.
 
If you want to read up on it, you can do so by clicking on the link below.
 
 
Learning Objectives
  • Name structural components of the normal epidermis and its appendages 
Created by: Dr Muhammad Wasay Ali Khan, DermNet NZ Volunteer
Editor: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
Structure of the epidermis
Created 2019.
This exercise will ask you a set of ten questions on the structure of the epidermis. Each question contains only one correct answer.
 
If you want to read up on it, you can do so by clicking on the link below.
 
 
Learning Objectives
  • Name structural components of the normal epidermis and its appendages 
Created by: Dr Muhammad Wasay Ali Khan, DermNet NZ Volunteer
Editor: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
1. Which structure is part of the basement membrane zone:
a. Horny cell layer
b. Squamous cell layer
c. Stratum granulosum
d. Lamina lucida
2. The squamous cell layer contains all of the following except:
a. Inflammatory cells
b. Desmosomes
c. Fibroblasts
d. Keratinocytes
3. Epidermal adnexal structures include all of the following except:
a. Sebaceous glands
b. Eccrine glands
c. Apocrine glands
d. Panniculus
4. Select the correct function of keratinocytes:
a. Produce proteins, lipids and cytokines
b. Act as an antigen-presenting cell
c. Act as a sensory-mechanical receptor
d. Produce pigment
5. Eccrine glands:
a. Increase production with heat, emotional stress and spicy food
b. Are rare in the axillae
c. Produce a hypertonic salt solution
d. Are common on the vermilion of the lips
e. Reduce production in response to IgA
6. Select the correct description of melanocytes when stained with haematoxylin and eosin:
a. Small round cells
b. Clear cells with dendritic processes and round granules
c. Lobular cells opening into hair follicles
d. Columnar cells staining pink
7. Apocrine glands:
a. Produce a hypotonic salt solution
b. Are common on the palms and soles
c. Open directly onto the skin surface
d. Are active after puberty
8. Select the correct component of the pilosebaceous apparatus:
a. Adipocytes
b. Sebaceous glands
c. Collagen
d. Blood vessels
9. Basal cell layer includes:
a. Merkel cells
b. Elastic fibres
c. Lymphatics
d. Nerves
10. Select the correct component of the nail apparatus:
a. Cortex
b. Papilla
c. Medulla
d. Lunula
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