Biology 2060 - Anatomy and Physiology II » Spring 2021 » Quiz Chapter 6

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Question #1
Keratinocytes are
A.   found throughout all epidermal strata., able to synthesize the protein keratin and sometimes alive and sometimes dead, depending on where they are found.
B.   sometimes alive and sometimes dead, depending on where they are found.
C.   the most abundant cell type in the epidermis.
D.   able to synthesize the protein keratin.
E.   found throughout all epidermal strata.
Question #2
Tactile (Merkel) cells are sensitive to
A.   sound.
B.   heat.
C.   light.
D.   touch.
E.   cold.
Question #3
What type of epithelium is found in the epidermis?
A.   Transitional
B.   Keratinized stratified squamous
C.   Nonkeratinized stratified cuboidal
D.   Nonkeratinized stratified squamous
E.   Keratinized stratified cuboidal
Question #4
Production of this vitamin requires skin exposure to the sun. This vitamin is crucial for regulation of calcium and phosphate.
A.   Vitamin C
B.   Vitamin E
C.   Vitamin B12 
D.   Vitamin D
E.   Vitamin A
Question #5
Thick skin contains
A.   four epidermal strata and lacks sebaceous glands.
B.   seven epidermal strata and lacks sweat glands.
C.   five epidermal strata and lacks sebaceous glands.
D.   six epidermal strata and lacks sweat glands.
E.   five epidermal strata and lacks sweat glands.
Question #6
Another name for the cuticle is the
A.   nail root.
B.   hyponychium.
C.   nail matrix.
D.   eponychium.
E.   nail bed.
Question #7
Cerumen is a secretion that
A.   lubricates the ear canal and traps debris before it reaches the eardrum.
B.   acts as a pheremone.
C.   cools the body through water evaporation.
D.   lubricates vellus hairs and waterproofs the skin of the limbs.
E.   tends to cause acne on the skin of the face.
Question #8
Another name for the skin is the ________ membrane.
A.   cutaneous
B.   visceral
C.   parietal
D.   mucous
E.   serous
Question #9
When the body is cold and needs to conserve heat, the blood vessels in the dermis dilate to allow for more blood flow in that region.
A.   FALSE
B.   TRUE
Question #10
Which of these comprise the nail plate? a: Free edge b: Nail folds c: Eponchyium d: Nail root e: Nail body
A.   a, b, d, e
B.   a, d, e
C.   a, c, d, e
D.   a, b, c, e
E.   a, b, e
Question #11
What type of stimulus is detected by the sensory receptors of the skin?
A.   Cold
B.   Pressure
C.   Vibration
D.   Heat
E.   Vibration, heat, cold and pressure
Question #12
Lines of cleavage are a result of
A.   the orientation of collagen fibers in the dermis.
B.   the alignment of dermal papillae.
C.   wounds to the epidermis such as hemangiomas.
D.   the alignment of epidermal ridges.
Question #13
Sweat and sebaceous glands develop from the
A.   stratum corneum.
B.   reticular layer.
C.   papillary layer of the dermis.
D.   hypodermis.
E.   stratum basale of the epidermis.
Question #14
Where on the human body is the hair thick enough to retain heat?
A.   Nose
B.   Axillary region
C.   Beard
D.   Pubic region
E.   Scalp

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