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Y-HSC 111 > chapter 4/5 > Flashcards

chapter 4/5 Flashcards

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1
Q

Histology would be best defined as the study of

A

tissues

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2
Q

The heart lies in what cavity

A

Pericardial

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3
Q

The red blood cell placed in pure Water would

A

swell and burst

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4
Q

Homeostasis is the condition in which the body maintains

A

A relatively stable internal environment, within limits

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5
Q

What is an example of negative feedback mechanism

A

something that would work to prevent sudden severe changes within the body

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6
Q

Crenation is likely to occur in blood cells in this solution

A

A hypertonic solution

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7
Q

Which transport process is the main mechanism for the movement of most macromolecules by body cells

A

Receptor mediated endocytosis

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8
Q

True or false, the serous membrane that lines the peritoneal cavity wall is called visceral peritoneum

A

False.

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9
Q

what to macrophages do

A

phagocytosis

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10
Q

Type of junction holding Keratinocytes together

A

desmosome

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11
Q

What membrane lines cavities that open to the outside

A

Mucous

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12
Q

What type of tissue is found in epiglottis

A

Elastic cartilage

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13
Q

What is the name of the cavities in cartilage where chondrocytes are found

A

lacunae

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14
Q

Sebaceous glands use this mode of secretion

A

holocrine

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15
Q

What is the kind of tissue found in tendons

A

Densse regular connective tissue

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16
Q

What is the tough protein found in the outer layers of epidermis

A

Keratin

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17
Q

What is the study of the microscopic structure of tissues

A

histology

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18
Q

Organ covering the body

A

integument

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19
Q

Lining of the bronchi

A

Pseudostratified Columnar

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20
Q

Stretchy yellow fibers

A

elastic

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21
Q

What is the first response to tissue damage

A

Inflammation

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22
Q

What do you call fat storage cells

A

adipocytes

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23
Q

What type of membrane lines closed body cavities

A

serous

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24
Q

What organ is lined with transitional epithelium

A

Urinary bladder

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25
The type of loose connective tissue found around organs
areolar
26
The type of muscle that makes hairs stand on end
Arrector Pili
27
What is the cartilage containing invisible fibers it's also the most common type
Hyaline
28
what Is the color of collagen fibers
White
29
What is glandular epithelia
The secretory tissue in glands. for example, goblet cells and gastric glands
30
What are the three shapes of cells
Squamous, cuboidal and columnar
31
What does avascular but innervated mean
Avascular has no direct blood supply, innovated does have no supply
32
Name the two types of layers of epithelia and describe structure
Simple epithelium has single layer of cells, stratified epithelium has two or more layers of cells
33
Name the five common characteristics of epithelium
Polarity, closely packed cells, supported by a connective tissue under the basal lamina, avascular but innovated high rate of lead generation
34
location and function of simple Squamous epithelium
Aveoli of lungs, lining of cavities and vessels. function of diffusion filtration
35
The function and location of transitional epithelia
It can be found in the urinary bladder and it stretches or shrinks and adjusts to the volume of fluid
36
What kind of epithelia is found in the esophagus mouth and vagina and functions as protection and resists wear and tear
Stratified squamous epithelia
37
What are the two main types of glandular epithelia
Endocrine glands and exocrine glands.
38
What is the name of the only important unicellular gland
goblet cell
39
What are the two modes of a secretion by exocrine glands
merocrine, secreted by exocytosis. And holocrine, released by rupture of cells.
40
True or false connective tissue is the most abundant and widely distributed tissue type
True
41
What are the four classes of connective tissue
Connective tissue proper, cartilage, bone, blood
42
What are the major functions of connective tissue
Binding, support, protection, insulation, transportation
43
What is mesenchyme
It is the first connective tissue formed as part of an embryo
44
What is the ground substance of connective tissue
It's a matrix that fills the space between cells with interstitial fluid, adhesion proteins (or CAMS-cell adhesion molecules) and proteoglycans which store water
45
What are the three types of fibers embedded in the matrix/ground substance
Collegan (white fibers), elastic (yellow fibers), reticular (fine collagen fibers)
46
What are the two major classes of connective tissue cells (chondro___)
BLASTS are immature mitopially active, and CYTES are mature cells which maintain the matrix
47
What do white blood cells and macrophages do
They are cells involved in defense and they move along the fibers looking for things
48
What is a fat storage cell
Adipose
49
Name location and function of areolar connective tissue
Around the capillaries and mucous membranes it binds tissues together and protects organs
50
Name location and function of adipose connective tissue proper
It's under the skin, around the kidneys, and eyeballs, within abdomen, and breasts and functions as energy storage, insulation, and shock absorber
51
Name the location and function of reticular connective tissue
In the lymphoid organs and spleen, it provides supporting framework
52
Name the two types of exocrine secretion
Merocrine and Holocrine
53
What is merocrine
Products are secreted by exocytosis
54
What is Holocrine
Product accumulates in apical cells and is released by the rupture of cells
55
Name the three types of loose connective tissue
Areolar, adipose, reticular
56
Name the three types of dense connective tissue
Dense regular, dense irregular, and dense elastic
57
Name the three types of cartilage
Hyaline, elastic, fibrocartilage
58
Location and function of areolar or connective tissue
It packages organs around capillaries. functions to find tissue together and protect organs
59
What type of Cartilage supports and reinforces and resists compression
Hyaline - nose, trachea, larynx, costal cartilages
60
location and function of adipose connective tissue
It's under the skin and around kidneys and eyeballs. it functions for energy storage, insulation and shock absorption
61
What is reticular connective tissue
It's a loose connective tissue that provides the supporting framework for the lymphoid organs and spleen
62
Tendons and ligaments are made of this type of tissue
Dense regular connective tissue
63
Where would you find elastic cartilage
external ear, epiglottis
64
Where would you find fibrocartilage
Intervertebral discs
65
What does fibrocartilage do
It has tensile strength with the ability to absorb compressive shock
66
What are the three types of epithelial membranes
``` Cutaneous membrane (skin) mucous membranes (mucosae) open to the exterior Serous membranes (serosae) line closed cavities and cover internal organs ```
67
Name the two layers of serous membranes
Parietal serosae line internal body walls | Visceral serosae cover internal organs
68
What does a visceral serosae do
It covers internal organs
69
What does Perietal serosae do
Lines internal body walls
70
What is fibrosis tissue
Repaired tissue is replaced by a fibrous connective tissue (scar)
71
Name the steps in tissue repair
Inflammation, organization and restored blood supply regeneration and fibrosis
72
Name the three fetal tissues that form during early embryonic development
Ectoderm Mesoderm Endoderm
73
What are the three major regions of skin
Epidermis dermis hypodermis
74
What is the tissue type of the epidermis
Keratinized stratified squamous epithelium

Y-HSC 111 (9 decks)

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