Anatomy and physiology Chapter 5 Questions
and Answers (100% Correct Answers)
An injection is administered through the skin using a hypodermic needle. Identify
the first integumentary structure through which the needle will pass.
Ans: epidermis
Sebaceous glands are located in all of the following areas, EXCEPT the __________
Ans: palms and soles
Sebaceous glands belong to which of the following classes?
Ans: simple branched alveolar
Terminal hair is located in all of the following areas, EXCEPT the __________.
Ans: body hair of females
The dermis is primarily composed of which tissue type?
Ans: dense irregular connective tissue
The epidermis is composed of which of the following tissues?
Ans: keratinized stratified squamous epithelial tissue
What is the primary function of melanin?
Ans: to provide protection against the sun's UV rays
Which is the correct sequence of epidermal layers of thick skin, from deep to
superficial?
Ans: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum,
stratum corneum
Which of the following do NOT derive from epidermal tissue?
Ans: dermal papillae
Which of the following cells would one NOT expect to find in the dermis?
Ans: keratinocytes
Which of the following epidermis components possesses a waterproofing glycolipid
that functions in preventing water loss?
Ans: lamellated granules
Which of the following human integumentary system glands is believed to be
analogous to the sexual scent glands of an animal?
Ans: apocrine sudoriferous gland
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Which of the following is most important in determining skin coloration?
Ans: melanin
Which of the following is NOT strictly a component of the integumentary system?
Ans: hypodermis
Which of the following is NOT a function of the skin?
Ans: respiratory gas exchange
Which of the following is NOT considered a critical burn?
Ans: first-degree burns on 30% of the body
Which of the following is the most immediate threat to life from a serious burn?
Ans: loss of body fluids
Which of the following strata is not visible as a distinct layer in thin skin?
Ans: stratum lucidum
Which of the following structures are primarily responsible for fingerprints?
Ans: epidermal ridges and sweat pores
Which of the following thick skin strata is the thickest?
Ans: stratum corneum
Skin eruption produced by dilated small blood vessels of the face, especially on the
nose and cheeks, is descriptive of which skin disorder?
Ans: rosacea
Which of the following layers of the skin relies on capillaries in the underlying
connective tissue in the dermis for its nutrients?
Ans: epidermis
A possible cause of rosacea is __________.
Ans: the same bacterium that causes peptic ulcers
Which of the following cells is part of the immune system?
Ans: Langerhans cell
Which of the following cells function as sensory receptors for touch?
Ans: Merkel cells
Keratinocytes in the stratum spinosum are known as __________.
Ans: prickle cells
All of the following statements are true about our fingerprints, EXCEPT that
__________.
Ans: they represent the sweat patterns left by dermal ridges