Epidermis

Quiz
•
Biology
•
University
•
Medium
Group 6
Used 28+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The Epidermis is composed of _____ ?
Connective tissue
Papillary region
Keratinized stratified squamous epithelium
Dense irregular connective tissue
Answer explanation
Keratinized stratified squamous epithelium is a type of stratified epithelium that contains numerous layers of squamous cells, called keratinocytes, in which the superficial layer of cell is keratinized. Besides skin, also found in areas of oral mucosa.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is true of the Epidermis ?
It contains the smallest vessels (capillaries)
It is made of connective tissue
It is made of simple squamous cells
It is outermost layer of the cutaneous membrane
All of answers
Answer explanation
The skin also known as the cutaneous membrane, cover the external surface of the body and is the largest organ of the body in weight.
3.
REORDER QUESTION
20 sec • 1 pt
Rearranged from the most superficial to the deepest.
Dermis
Hypodermis
Epidermis
Answer explanation
Epidermis superficial and thinner portion, dermis deeper and thicker portion, Hypodermis is subcutaneous layer and deep to the dermis.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Below is true match the function of cells in epidermis EXCEPT
Keratinocyte - Produce lamellar granules
Langerhans cells - Participate in immune response
Melanocyte - Produce the pigment melanin
Markel cell - Protect skin from damaging ultraviolet (UV) light
Answer explanation
Markel cell or tactile epithelial cells function in sensation of touch along with the adjacent. Melanocytes produce the melanin which contribute to skin colour and absorbs damaging ultraviolet (UV) light.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the thick epidermis under free edge of nail ?
Nail bed
Hyponychium
Nail matrix
Eponychium
Answer explanation
Beneath the free edge is a thickened region of stratum corneum called hyponychium. It is the junction between the free edge and skin of the fingertip and secure the nail to the fingertip.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Below are the pigments contribute to skin colour EXCEPT
Melanin
Keratin
Haemoglobin
Carotene
Answer explanation
The amount of melanin causes the skin’s colour to vary from pale yellow to reddish-brown to black. The red colour of skin is due to haemoglobin, the oxygen-carrying pigment in red blood cells. Carotene is a yellow-orange pigment that gives egg yolks, and is stored in the stratum corneum. Keratin protects the skin underlying tissue.
7.
DROPDOWN QUESTION
20 sec • 1 pt
(a) is an area of skin present stratum Lucidum.
Answer explanation
The stratum Lucidum is present only in the thick skin areas such as the fingertips, palms and soles.
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