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

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

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