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

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Question #1
Keratinocytes are
A.   able to synthesize the protein keratin.
B.   found throughout all epidermal strata.
C.   found throughout all epidermal strata., able to synthesize the protein keratin and sometimes alive and sometimes dead, depending on where they are found.
D.   sometimes alive and sometimes dead, depending on where they are found.
E.   the most abundant cell type in the epidermis.
Question #2
Tactile (Merkel) cells are sensitive to
A.   cold.
B.   light.
C.   touch.
D.   sound.
E.   heat.
Question #3
What type of epithelium is found in the epidermis?
A.   Nonkeratinized stratified cuboidal
B.   Keratinized stratified squamous
C.   Nonkeratinized stratified squamous
D.   Keratinized stratified cuboidal
E.   Transitional
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 A
C.   Vitamin D
D.   Vitamin B12 
E.   Vitamin E
Question #5
Thick skin contains
A.   five epidermal strata and lacks sweat glands.
B.   five epidermal strata and lacks sebaceous glands.
C.   four epidermal strata and lacks sebaceous glands.
D.   six epidermal strata and lacks sweat glands.
E.   seven epidermal strata and lacks sweat glands.
Question #6
Another name for the cuticle is the
A.   nail bed.
B.   hyponychium.
C.   nail matrix.
D.   eponychium.
E.   nail root.
Question #7
Cerumen is a secretion that
A.   lubricates vellus hairs and waterproofs the skin of the limbs.
B.   cools the body through water evaporation.
C.   lubricates the ear canal and traps debris before it reaches the eardrum.
D.   acts as a pheremone.
E.   tends to cause acne on the skin of the face.
Question #8
Another name for the skin is the ________ membrane.
A.   serous
B.   visceral
C.   mucous
D.   parietal
E.   cutaneous
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, b, e
C.   a, b, c, e
D.   a, c, d, e
E.   a, d, e
Question #11
What type of stimulus is detected by the sensory receptors of the skin?
A.   Vibration, heat, cold and pressure
B.   Vibration
C.   Pressure
D.   Heat
E.   Cold
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.   the alignment of dermal papillae.
D.   wounds to the epidermis such as hemangiomas.
Question #13
Sweat and sebaceous glands develop from the
A.   reticular layer.
B.   stratum basale of the epidermis.
C.   hypodermis.
D.   stratum corneum.
E.   papillary layer of the dermis.
Question #14
Where on the human body is the hair thick enough to retain heat?
A.   Axillary region
B.   Beard
C.   Nose
D.   Pubic region
E.   Scalp

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