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Anatomy > L2: Histology I > Flashcards

L2: Histology I Flashcards

1
Q

Elastic Connective Tissue is a type of:
A. dense regular connective tissue
B. dense irregular connective tissue

A

A. dense regular connective tissue

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2
Q

Where is elastic connective tissue found?

A

lung and skin

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3
Q

What type of connective tissue contain
1) thick collagen fibers that run parallel
2) fibroblasts nuclei lined up

A. Dense Regular CT
B. Dense Irregular CT
C. Elastic CT

A

A. Dense Regular CT

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4
Q

Major cell type in dense regular connective tissue?

A

Fibroblast

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5
Q

Which type of connective tissue is found in tendons, ligaments, and shoulder joint?
A. Dense Regular CT
B. Elastic CT
C. Dense Irregular CT

A

A. Dense Regular CT

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6
Q

Which type of connective tissue connects bones to bone or muscle to bone?
A. Dense Regular CT
B. Elastic CT
C. Dense Irregular CT

A

A. Dense Regular CT

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7
Q

True or False: Dense Irregular CT contains less collagen fibers than ground substance

A

False - dense irregular CT contains more collagen fibers than ground substance

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8
Q

What type of connective tissue makes up the fibrous joint capsule and the submucosa of the digestive tract?
A. Dense Regular CT
B. Dense Irregular CT
C. Elastic CT

A

B. Dense Irregular CT

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9
Q

True or False: Loose (Areolar) CT has a great deal of ground substance and minimal collagen

A

True

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10
Q

Which type of connective tissue is well-vascularized and supports epithelium (lamina propria)?

A

Loose (Areolar) CT

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11
Q

True or False: Loose (Areolar) CT contains macrophages, mast cells, and fibroblasts

A

True

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12
Q

Are -blasts immature/mature? Active or not?

Are -cytes immature/mature? Active or not?

A

Blasts = immature = active
Cytes = mature = less active

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13
Q

How are connective tissues classified?

A

Proper
- Loose vs. Dense (Regular or Irregular)

Specialized
- Adipose, Bone, Blood, Cartilage

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14
Q

What does ECM contain?

A

Ground substance, fluid, glycoproteins, glycosamminoglycans (protein fibers + ground substance)

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15
Q

___ cells are NOT contiguous with one another but dispersed in abundant ECM produced by the cells

A

Connective tissue cells

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16
Q

Which organ has both endo and exocrine functions?

A

Pancreas

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17
Q

Two modalities of secretion for glandular epithelia?

A

1) Exocrine glands
- Merocrine
- Apocrine
- Holocrine

2) Endocrine glands

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18
Q

Simple tubular ducts are located in the:
A. intestine
B. stomach
C. mammary glands

A

A. intestine

19
Q

Simple branched tubular ducts are located in the:
A. intestine
B. stomach
C. mammary glands

A

B. stomach

20
Q

Example of unicellular gland?

A

Goblet cells of the small intestine

21
Q

Composition of exocrine glands?

A

Duct + secretory unit

22
Q

___ glands maintain connection to surface to reverse product into lumen of lining cavity

____glands detach from surface and reverse their products into the blood

A

Exocrine glands
Endocrine glands

23
Q

True or False: Epithelial cells are highly proliferative

A

True

24
Q

True or False: An example of stratified epithelium is that found in the testes, involved in spermatoza production

A

True

25
Q

Stratified epithelium often display different levels of cellular maturation, with more ___ cells located in the proximity of the basal lamina and more ___ cells closer to the surface

A

stamina cells; differentiated cells

26
Q

True or False: umbrella cells make up transitional epithelium, which stretch and flatten

A

Tru

27
Q

True or False: umbrella cells make up transitional epithelium, which stretch and flatten

A

True

28
Q

What type of epithelium can either be keratinized or non-keratinized?

A

Stratified squamous!

29
Q

True or False: Skin epidermis is non-keratinized

A

False - skin epidermis is keratinized

30
Q

Which type of epithelium is often ciliated and located in respiratory/urinary systems?

A

Simple pseudostratified epithelium

31
Q

Which type of epithelium is usually absorptive? secretory?

A

Absorptive = Columnar
Secretory = Cuboidal

32
Q

Where is simple cuboidal epithelium often found?
A. Ovary and thyroid
B. Lining of intestine/gallbladder

A

A. Ovary and thyroid

33
Q

Where is simple columnar epithelium (absorptive) often found?
A. Ovary and thyroid
B. Lining of intestine/gallbladder

A

B. Lining of intestine/gallbladder

34
Q

When ___ epithelium lines vessels, it is called endothelium, and when it lines cavities (pericardium, pleura, or peritoneum) it is known as endothelium.

A

Simple squamous

35
Q

What three junctions are found in the lateral and basal surface of the membrane?

A

1) Occluding Junction (prevents flow)
2) Anchorin Junctions
3) Gap junctions (encourage flow of molecules)

36
Q

Most active epithelium? Least active epithelium?

A

Most active = Columnar
Least active = Squamous

37
Q

What three structures can be found in apical cell surface of epithelial cell?
Which is the only motile one?

A

1) Microvilli
2) Cilia*
3) Sterocilia

38
Q

True or False: Both microvilli and sterocilia increase cell surface and are non-motile

A

True

39
Q

True or False: Sterocilia is located in testes while microvilli is located in intestine epithelium

A

TRue

40
Q

True or False: epithelium is polarized, avascular, and contains basal lamina

A

True

41
Q

Which type of connective tissue is commonly found in the dermis and submucosa of hollow organs?
A. Dense Regular CT
B. Dense Irregular CT
C. Adipose Tissue

A

B. Dense Irregular CT

42
Q

Collagen fibers predominate in which connective tissue?
A. Loose CT
B. Dense CT

A

B. Dense CT

43
Q

Which has more ground substance: loose or dense CT?

A

Loose CT

Anatomy (28 decks)

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