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Bio 231 Lab > Lab 2 and Lab 3 Bio 231 > Flashcards

Lab 2 and Lab 3 Bio 231 Flashcards

1
Q

physiological part of integumentary system is mechanical and keeps things outside t/f

A

False; deals with immunity

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2
Q

Removal of nitrogenous waste is through the _____glands

A

sweat

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3
Q

Is vit. D a hormone on the skin? used for _________development. Comes from _________

A

yes; bone; UV light

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4
Q

largest organ of integument

A

skin

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5
Q

is the hypodermis a true layer t/f?

A

false; but it contributes to the fat stores

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6
Q

synthesize protein that adds strength and waterproofing of cells most abundant

A

keratinocytes

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7
Q

produces melanin; restricted to basal layer

A

melanocytes

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8
Q

Langerhan’s cells(dendritic cells or modified wbc’s) are_________cells of skin

A

immune;

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9
Q

attached to sensory neuron/sensory perception cells

A

Merkel’s cells

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10
Q

controls color of skin

A

melanocytes

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11
Q

merkel cell +sensory neuron=

A

merkel’s disk

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12
Q

Dermal papillae form the _________________

A

fingerprints

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13
Q

inner layer of the dermis comprised of dense irregular connective tissue; netlike appearnace

A

reticular layer

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14
Q

collagen fibers, connective tissue, elastic fibers, nipple like extension are controlled by this layer

A

papillary

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15
Q

Deepest layer. Made of living cuboidal cells. Find melanocytes,
Merckel’s disks and keratinocytes in this layer

A

stratum basale

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16
Q

Larger layer. Cells in this layer are alive until they get near
the next level. Have a spiny or prickly appearance.

A

stratum spinosum

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17
Q

below dermis; adipose tissue (subcutaneous injections given here)

A

hypodermis

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18
Q

red, swollen pain sunburn

A

first degree burn

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19
Q

partial thickness burn; red/swollen; extremely painful blisters

A

second degree burns

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20
Q

full thickness burn; burns dermis/epidermis; not painful; numbing; nerve ending damaged

A

third degree burn

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21
Q

blisters can be associated with toxins, chemicals, radiation. t/f

A

True

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22
Q

Transition zone for skin cells. Has 3-5 layers. Appears
granular or darker in color. It looks grainy. In this area the keratinocytes begin
to die and start to fill with keratin.

A

stratum granulosum

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23
Q

This is NOT found in all skin. ONLY thick skin (such as the

soles of the feet). Has 2-4 layers of dead cells filled with keratin.

A

stratum lucidum

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24
Q

Made of 20-30 sublayers of dead, keratinocytes filled with

keratin. These look like “shingles” on a house. This is the most superficial layer.

A

stratum corneum

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25
Q

large blister

A

bullae

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26
Q

true glands are _________in nature. they are compact and close together.

A

epithelial

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27
Q

can a single cell be a gland

A

yes

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28
Q

produces mucus in simple columnar

epithelium: Easy to see!

A

goblet cell

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29
Q

exocrene and endrocrine is second way to classify glands t/f

A

True

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30
Q

Duct/removal of secretion=endocrine t/f

A

False; exocrine

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31
Q

relies on bloodstream to carry secretions

A

endocrine

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32
Q

cell contributes whole top; vesicles go into the surface.

A

apocrine

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33
Q

Third way to classify glands is merocrine, apocrine, and holocrine t/f

A

true

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34
Q

gland contributes wo whole cell; replaced by mitosis. accumulate vesicles and secretions through the entire cell and then the whole cell ruptures releasing product. Example:sebaceous gland

A

Holocrine gland

35
Q

eponychium is the root of the nail t/f

A

true

36
Q

Hyponychium is underneath nail t/f

A

true

37
Q

3 types of ducts are coiled tubular, compound acinar, and compound tubuloacinar T/F Name example of each:

A

True; coiled tubular-sweat gland; compound acinar-mammary gland; compound tubuloacinar: pancreas

38
Q

Cortex, medulla, cuticle, and glassy membrane are structures of the nail T/F

A

False; for Hair

39
Q

hyponychium is the part we cut off of nail t/f

A

True

40
Q

Lunula is a structure of the ___________

A

nail

41
Q

follicles are under skin t/f

A

true

42
Q

moves stem cells from bone marrow to other body parts, moves nutrients from digestive system to cells, transports oxygen/Co2,

A

Blood

43
Q

white blood cells destroy_____________via___________

A

pathogens; phagocytosis

44
Q

initiate blood clotting

A

platelets

45
Q

92 percent of blood is comprised of

A

water

46
Q

Albumins, globulins, and fibrinogen are

A

plasma proteins

47
Q

Make antibodies and transport proteins

A

globulins

48
Q

clotting proteins are

A

fibrinogen

49
Q

deal with osmotic pressure and viscosity (flow of blood)

A

albumins

50
Q

t/f Blood carries CO2 away

A

true

51
Q

hemoglobin carries oxygen throughout body t/f

A

true

52
Q

Biconcave disc; no nucleus lifespan 120 days; produce hemoglobin

A

Erythrocyte or red blood cell

53
Q

large, amoeboid looking cells, 5000-10000 in blood; are for immunity

A

leukocytes (white blood cells)

54
Q

kupfer cells are modified monocytes in liver/spleen phagocytically remove dead blood cells T/F

A

True

55
Q

Granular leukocytes include neutrophils, eosinophils, and basophils T/F

A

True

56
Q

Agranular leukocytes include lymphocytes and monocytes T/F

A

True

57
Q

Trigger allergic reaction and secrete histamine

A

Basophils

58
Q

Suppress allergic reactions protect against parasitic worms

A

eosinophils

59
Q

60-70 % of your white blood cells and used in early bacterial infections are called ____________

A

Neutrophils

60
Q

T/F A person with leukopenia has too few white blood cells, and may have increased risk of infections

A

True

61
Q

Disease of too many white blood cells

A

Leukemia

62
Q

composed of B and T cells ; referred to as natural killer cells; deeply stained and eccentric

A

Lymphocytes

63
Q

Kidney shaped wbc’s highly involved in phagocytosis

A

monocytes

64
Q

T/F people with sickle cell anemia are usually of african american decent and are resistant to malaria

A

True

65
Q

“nn” would indicate sickle cell disease

A

True

66
Q

sickle cell disease is autosomal recessive t/f

A

True

67
Q

A person with NN genotype would not be affected by sickle cell disease t/f

A

True

68
Q

Nn is a carrier of sickle cell disease t/f

A

true

69
Q

cancer of leukocytes resulting from uncontrolled cell division

A

leukemia

70
Q

pain in bones; muscle weakness, shortness of breath, weight loss, fever, swelling, easy bleeding, purple patches or spots, fatigue, frequent infections is associated with

A

leukemia

71
Q

determines percent of red blood cells

A

hematocrit

72
Q

40.7-50.3 percent is normal hematocrit for males t/f

A

true

73
Q

36.1-44.3 percent hematocrit is normal for females t/f

A

True

74
Q

Contains wbc’s and platelets

A

Buffy Coat

75
Q

Iron is a component of hemoglobin t/f

A

true

76
Q

mm/rbc / total mm of column of blood x 100 percent is formula for determining

A

hematocrit

77
Q

Rh factor determines if blood type is positive or negative; absence of the factor means a negative blood type t/f

A

true

78
Q

Rhogam can be given in early pregnancy to desensitize the mother to baby’s blood if the baby is Rh + T/F

A

T

79
Q

Rh- mother and Rh+ baby could result in ___________________________

A

miscarriage or HDN (hemolytic disease of the newborn)

80
Q

Type AB blood contains both A/B antigens t/f

A

True

81
Q

Type B blood contains A antigens t/f

A

false; contains b antigens

82
Q

Type O blood has no antigens t/f

A

True

83
Q

Actual Blood Type is the genotype t/f

A

False; phenotype

84
Q

BB or Bo would be type B blood

A

True

Bio 231 Lab (3 decks)

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