Chapter 5 REVIEW Flashcards

1
Q

Which of the following cells are associated with the Dermis ?

A

FIBROBLASTS

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2
Q

Extreme stretching of the reticular layer of the dermis results in____

A

PERMANENT STRETCH MARKS

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3
Q

From Superficial to Deep, what is the order of the layers of the Epidermis in Thick Skin?

A

STRATUM CORNEUM->LUCIDUM->GRANULOSUM->SPINOSUM->BASALE

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4
Q

What is the main tissue of the Epidermis ?

A

KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM

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5
Q

Keratinocytes in the Stratum Corneum _____

A

DEAD AND FILLED WITH KERATIN

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6
Q

2 main components of the Cutaneous Membrane

A

EPIDERMIS and DERMIS

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7
Q

Where are the Melanocytes located ?

A

STRATUM BASALE

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8
Q

How long does the life cycle of keratinocytes being sloughed and replaced take ?

A

40-50 DAYS

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9
Q

What tissue composes the reticular layer of the Dermis ?

A

DENSE IRREGULAR CONNECTIVE

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10
Q

The ______ is a location of thick skin

A

SOLE OF THE FOOT

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11
Q

Which of the sensations are NOT detected by Skin?

A

EQUILIBRIUM

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12
Q

What creates our unique patterns on our fingers, toes, palms, and soles ?

A

EPIDERMAL RIDGES

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13
Q

Primary function of Vitamin D

A

VITAMIN D IS REQUIRED FOR CALCIUM ABSORPTION FROM SMALL INTESTINE

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14
Q

What are the sensory receptions in the Dermal Papillae that respond to light tough called ?

A

TACTILE CORPUSCLES

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15
Q

The most superficial layer of the Dermis

A

PAPILLARY LAYER

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16
Q

Which function is NOT associated with the skin?

A

VITAMIN A SYNTHESIS

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17
Q

What is the largest organ in the body ?

A

SKIN

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18
Q

Where are blood vessels housed that nourish the epidermis ?

A

DERMAL PAPILLAE

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19
Q

Why do Keratinocytes in Superficial Strata of Epidermis die?

A

TOO FAR FROM BLOOD SUPPLY IN DERMIS

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20
Q

Which layer of the Epidermis is NOT present in Thin Skin?

A

STRATUM LUCIDUM

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21
Q

What cells of the Epidermis function as Phagocytes of Immune System ?

A

DENDRITIC CELLS

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22
Q

Which structure is NOT found in Thick Skin?

A

HAIR FOLLICLES

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23
Q

Most superficial layer of Epidermis

A

STRATUM CORNEUM

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24
Q

Timmy fell and skinned his knee. The scrape didn’t bleed so he must have damaged the ____

A

EPIDERMIS

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25
Most numerous cell type in Epidermis
KERATINOCYTES
26
Thickest layer of Epidermis
STRATUM SPINOSUM
27
Majority of cells in Epidermis arise from Mitotically activity in Stratum ___
BASALE
28
Most superficial component of skin is_____
EPIDERMIS
29
Which cell is associated with Dermis
FIBROBLASTS
30
Skin without Keratin would be more likely to____
TEAR UPON BEING STRESSED
31
The ____ is the opaque crescent-shaped area near the proximal nail fold
LANULA
32
Mammary glands are specialized____
SWEAT GLANDS
33
Squamous Cells Carcinoma arises from _____
KERATINOCYTES IN STRATUM SPINOSUM
34
What enzyme plays a major role in skin color?
TYROSINASE
35
The ABCDE rule is used to distinguish moles from ____
MELANOMAS
36
Which of the following molecules is responsible for yellow-orange skin pigment ?
CAROTENE
37
The cuticle around the nail is the _____
EPONYCHIUM
38
What type do hair does a fetus have ?
LANUGO
39
Which is not a characteristic of the ABCDE rule?
BORDER REGULARITY
40
Which component does Vellus hair lack ?
PIGMENT
41
What is the thicker, coarser more pigmented hair on scalp?
TERMINAL HAIR
42
What modified Apocrine Gland secrete ear wax?
CERUMINOUS GLANDS
43
What stimulates the secretion of Sebum?
SEX HORMONES
44
Humans purchase antiperspirants to mask the odor of secretions from the ____
APOCRINE GLANDS
45
What does Cyanosis signify ?
OXYGEN STARVED SKIN
46
Which is a characteristic of a first-degree burn?
ERYTHEMA
47
Eccrine glands produce ?
SWEAT CONTAINING MOSTLY WATER
48
Merocrine glands that secrete products into hair follicles are called?
APOCRINE GLANDS
49
What part of the nail root contains actively diving cells ?
NAIL MATRIX
50
Primary function of Melanin
TO PROTECT THE DNA OF KERATINOCYTES FROM MUTATIONS INDUCED BY UV
51
Primary pigment found in skin
MELANIN
52
Nail body covers____
NAIL BED
53
What type of secretion do Sebaceous glands use?
HOLOCRINE SECRETION
54
Which location are dead keratinized cells found?
HAIR SHAFT
55
What causes hair to stand on end, causing piloerection
ARRECTOR PILI MUSCLE
56
What is the oily waxy substance secreted by sebaceous glands ?
SEBUM
57
Term for baldness
ALOPECIA
58
What is a characteristic of the Epidermis?
CONSISTS OF KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
59
Which layer of Epidermis contains stem cells?
STRATUM BASALE
60
If you administer a subcutaneous injection, the needle will penetrate which layers from beginning to end of skin surface
EPIDERMIS->PAPILLARY LAYER ->RETICULAR LAYER->SUBCUTANEOUS
61
What would happen if the Dermis did NOT have Dermal Papillae ?
IT WOULD BE HARDER TO SUPPLY EPIDERMIS WITH NUTRIENTS & OXYGEN
62
A surgical incision along tension lines_____
CLOSES AND HEALS WOUND FASTER
63
The pattern of epidermal ridges is visible as____
FINGERPRINTS
64
Which of the following molecules turns orange red when Oxidized ?
HEMOGLOBIN
65
Subcutaneous injections involve medicine into the :
HYPODERMIS
66
Which of the following cells are arranged in layers or strata in Epidermis?
KERATINOCYTE
67
What cell in stratum basale of epidermis helps discriminate between textured dots ?
MERKEL CELL
68
Vibration of music through sensory receptors of skin :
LAMELLATED CORPUSCLES
69
True/False: The papillary layer consists of loose connective tissue built for warmth
FALSE
70
How do nutrients reach the Epidermis
DIFFUSION TRANSPORTS NUTRIENTS FROM BLOOD VESSELS IN DERMIS INTO EPIDERMIS
71
Thin skin contains :
ONE LESS LAYER OF KERATINOCYTES
72
Erythema makes skin?
FLUSH RED
73
Examined cheek cell under a microscope, you can state that :
CELLS ARE LARGE, FLAT AND LOCATED NUCLEUS
74
Which organelle of cytoskeletal elements acts as anchor to plasma membrane proteins and enables cellular movements?
MICROFILAMENTS
75
Which organelle receives proteins from rough ER
GOLGI APPARATUS
76
In cystic fibrosis, if chloride ions leave because of a genetic diet, what happens to the water to that cell?
WATER MOVES INTO CELL
77
Cyto-
CELL
78
Exo-
OUTSIDE
79
Centr-
CENTER
80
Inter-
WITHIN or BETWEEN
81
Endo-
INSIDE or WITHIN
82
Cytoplasm
CELLULAR MATERIAL BETWEEN CELL MEMBRANE AND NUCLEUS
83
Exocytic
SOMETHING OUTSIDE CELL
84
Centromere
HOLDS HOMOLOGOUS CHROMOSOMES TOGETHER AT MIDDLES DURING CELL DIVISION
85
Endocytic
SOMETHING INTO CELL
86
Interphase
STAGE OF CELLULAR LIFECYCLE BETWEEN DIVISIONS
87
3 components of a typical cell
NUCLEUS, PLASMA MEMBRANE, and CYTOPLASM
88
In your Osmosis experiment, what material will be used to stimulate plasma membrane ?
DIALYSIS TUBING
89
A cells plasma membrane is___
SEMIPERMEABLE
90
Telophase
SISTER CHROMATIDS REACHING OPPOSITE POLES AND UNCOILING TO FORM CHROMATIN
91
Metaphase
CHROMOSOMES LINE UP ALONG EQUATOR OF CELL
92
Interphase
DNA REPLICATION
93
Which cell type is packed with Actin & Myosin
CARDIAC MUSCLE CELL
94
Which cell is propelled by a Flagellum?
SPERM
95
During Osmosis water moves ___ its concentration gradient
DOWN
96
Diffusion is movement of solutes from ____ to _____
HIGH to LOW
97
Diffusion and Osmosis are ____ processes
PASSIVE
98
Osmosis is the movement of a solvent from ____ to ____
HIGH to LOW
99
[Which is True] Rate of diffusion through a selectively permeable membrane is _____
SMALLER MOLECULES DIFFUSE FASTER
100
Which substances diffuse across a dialysis membrane ? | PERMEABLE
GLUCOSE ION WATER
101
Which substances diffuse across a dialysis membrane ? | IMPERMEABLE
PROTEIN | GLYCOGEN
102
Prophase
NUCLEAR ENVELOPE BREAKS DOWN
103
Anaphase
SISTER CHROMATIDS SPLIT and MOVE TO OPPOSITE POLES
104
Cardiac Muscle Fiber is packed with _____
ACTIN & MYOSIN
105
Neuron is characterized by ___
AN EXTENSION CALLED AXON