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

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