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Histology > Lecturio > Flashcards

Lecturio Flashcards

1
Q

Epithelial cells are held together by which of the following? a) Basement membrane. b) Collagen. c) Fibroblasts. d) Junctional complexes. e) Connective tissue.

A

Junctional complexes.

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2
Q

Which of the following is not a types of tissue? a) Bone. b) Cartilage. c) Connective tissue. d) Nervous tissue. e) Collagen.

A

Collagen

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3
Q

Which of the following is NOT a characteristic of epithelium? a) They all have a lateral border. b) They have a surface adjacent to a lumen or free space. c) They are anchored to underlying connective tissue by the lamina propria. They all have an apical segment (an “apex”). They are held together by junctional complexes.

A

they are anchored to underlying connective tissue by the lamina propria.

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4
Q

The type of epithelium indicated by the arrows in the image below is…?

…stratified cuboidal.

…pseudostratified columnar.

…simple squamous.

..stratified squamous.

…simple cuboidal.

A

…stratified cuboidal.

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5
Q

What function is the type of epithelium represented in the image below specialized for?

a) Transcellular transport
b) Both secretion and absorption
c) Secretion only
d) Absorption only
e) Resisting wear and tear

A

Resisting wear and tear

Explanation

Stratified squamous epithelium

NOT ANSWER:

Transcellular transport: Simple squamous epithelium

Both secretion and absorption: simple cuboidal and simple columnar

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6
Q
A
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7
Q

The type of epithelium indicated by the arrows in the image is

  1. Simple cuboidal
  2. Stratified squamous
  3. Stratified cuboidal
  4. Simple squamous
  5. Pseudostratified columnar
A
  1. Simple squamous
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8
Q
A
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9
Q

e special name given to epithelium lining the inside chamber of the heart is

  1. Urothelium
  2. Neuroepithelium
  3. Endothelium
  4. Endocardium
  5. Mesothelium
A

Endocardium

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10
Q

What type of epithelium makes up the skin?

  1. Columnar epithelium.
  2. Stratified non keratinized epithelium.
  3. Stratified keratinized epithelium.
  4. Squamous epithelium.
  5. Cuboidal epithelium.
A

Stratified keratinized epithelium.

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11
Q

Which of the following is NOT a specialization of the apical surface of some epithelial cells?

  1. Microvilli
  2. Villi
  3. Cilia
  4. Striated border
  5. Stereocilia
A

Villi

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12
Q

Where in the human body are steriocilia found?

  1. Intestinal epithelium.
  2. Nasal epithelium.
  3. Hair cells in ear.
  4. Tracheal epithelium.
  5. Uterine epithelium.
A

Hair cells in ear.

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13
Q

Which of the following types epithelium is found in respiratory tract?

  1. Squamous epithelium.
  2. Striated epithelium.
  3. Pseudostratified columnar epithelium.
  4. Columnar epithelium.
  5. Cuboidal epithelium.
A

Pseudostratified columnar epithelium.

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14
Q

Microvilli have a central core of which of the following type of protein?

  1. Actin.
  2. Globin.
  3. Albumin.
  4. Myosin.
  5. Glycoprotein.
A

Actin

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15
Q

Which of the following part of a junctional complex holding epithelial cells together is attached to the intermediate filaments of the cell cytoskeleton?

  1. Gap junction
  2. Tight junction
  3. Macula adherens
  4. Occluding junction
  5. Hemidesmosome
A

Macula adherens

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16
Q

Which junctional complex prevents passage of material between cells?

  1. Gap junction.
  2. Tight junction.
  3. Zonula adherens.
  4. Anchoring junction.
  5. Macula adherens.
A

Tight junction.

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17
Q

A striated border at the base of some epithelia is indicative of

  1. Basal folds of the cell membrane
  2. All of the choices are correct.
  3. Increased active transport
  4. Large numbers of mitochondria arranged in columns
  5. Increased numbers of transport channels and proteins
A
  1. All of the choices are correct.
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18
Q

Which of the following is not the functions of basement membrane ?

  1. Separation of tissues.
  2. Attachment of underlying tissue.
  3. Cell signaling.
  4. Generation of epithelial cells.
  5. Filtration.
A

Generation of epithelial cells.

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19
Q

Which of the following is visible only under electron microscope and not light microscope?

  1. Basement membrane.
  2. Nucleus.
  3. Basal lamina.
  4. Connective tissue.
  5. Epithelium.
A

Basal lamina.

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20
Q

Reticular lamina components are secreted by which of the following?

  1. Basement membrane.
  2. Connective tissue.
  3. Lamina propria.
  4. Basal lamina.
  5. Epithelial tissue.
A

Connective tissue.

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21
Q

Brain and spinal cord are deficient in which of the following?

Epithelial tissue.

Astrocytes.

Microglia.

Nervous tissue.

Connective tissue.

A

Connective tissue.

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22
Q

Where does immune response occur in the body?

  1. Bone marrow.
  2. Connective tissue.
  3. Lymphatic vessels.
  4. Epithelial tissue.
  5. Nervous tissue.
A

Connective tissue.

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23
Q

The lamina propria is…?

  1. …a type of epithelial tissue.
  2. …a thin layer that contains cells that can identify pathogens.
  3. …a layer that has more fibrous components than cellular components.
  4. …a mucosal layer that attaches the epithelium to the basement membrane.
  5. …a mucosal layer that attaches the basement membrane to underlying connective tissue.
A

…a thin layer that contains cells that can identify pathogens.

24
Q

Which component dominates the structure of tendons?

  1. Epithelial cells.
  2. Collagen fibers.
  3. Basement membrane.
  4. Myosin.
  5. Matrix.
A

Collagen fibers.

25
Q

hat is biochemical nature of collagen ?

  1. Carbohydrate.
  2. Protein.
  3. Glycoprotein.
  4. Lipid.
  5. Minerals.
26
Q

The reticular layer of the dermis of skin is an example of

  1. dense, irregular connective tissue
  2. mucous connective tissue
  3. dense, regular connective tissue
  4. mesenchymal connective tissue
  5. loose connective tissue
A

dense, irregular connective tissue

27
Q

Mesenchyme does NOT give rise to

  • blood cells
  • bone cells
  • endothelial cells
  • mesothelial cells
  • cartilage cells
A
  • blood cells
28
Q

This image is most likely a section through

  • a tendon
  • epidermis
  • dermis of skin
  • adipose tissue
  • lamina propria
A

dermis of skin

29
Q

onnective tissue is derived from which of the following embryonic tissue?

  1. Ectoderm.
  2. Yolk sac.
  3. Notochord.
  4. Mesenchyme.
  5. Endoderm.
A

Mesenchyme.

30
Q

hich of the following is not a type of connective tissue?

  • Blood.
  • Cartilage.
  • Adipose tissue.
  • Bone.
  • Epithelium.
A

Epithelium.

31
Q

What type of collagen is this most likely to be?

Type I

Type II

Type V

Type IV

Type III

32
Q

Connective tissue fibers are produced by which of the following cells?

  • Erythrocytes.
  • Osteoblasts.
  • Fibroblasts.
  • Erythroblasts.
  • Chondrocytes.
A

Fibroblasts.

33
Q

Which of the following type of collagen has high tensile strength?

All have same tensile strength.

Type 4 collagen.

Type 3 collagen.

Type 1 collagen.

Type 2 collagen.

34
Q

Lymphoid tissue is dominated by which type of fibers?

Elastic fibers.

Fibroblasts.

Collagen type 2 fibers.

Reticular fibers.

Collagen type 1 fibers.

A

Reticular fibers.

36
Q

What special stain has been used to differentiate smooth muscle from collagen in this image?

H&E

Gomori’s stain

Weigert’s stain

Mason’s stain

Silver stain

A

Mason’s stain

37
Q

Elastic tissue is differentiated from smooth muscle and connective tissue by which stain?

Weigert stain.

H and E stain.

Goman stain.

Masson stain.

Silver stain.

A

Weigert stain.

38
Q

hat is component of Extracellular Matrix?

Collagen.

Glycoprotein.

Glycosaminoglycans.

Adipose tissue.

Core protein.

A

Glycosaminoglycans.

39
Q

Reticular fibres are really

type III collagen fibres

type V collagen fibres

type IV collagen fibres

type I collagen fibres

type II collagen fibres

A

type III collagen fibres

40
Q

Which of the following is not synthesized by fibroblasts?

Reticular fibers.

Elastic fibers.

Protein of Extracellular Matrix.

Carbohydrates of Extracellular matrix.

Collagen.

A

Protein of Extracellular Matrix.

41
Q

Which embryonic tissue are the mast cells derived from ?

Neuroectoderm.

Endoderm.

Mesenchyme.

Bone marrow.

Ectoderm.

A

Mesenchyme.

42
Q

Which of the following structures is important for the phagocytic property of macrophages?

Mitochondria.

Peroxisome.

Lysosome.

Nucleus.

Endoplasmic reticulum.

43
Q

On which of the following cells are Major histocompatibility complex located?

All white blood cells.

Platelets.

Macrophages.

Erythrocytes.

Neutrophils.

A

Macrophages.

44
Q

Antigens presented by Major histocompatibility complex are recognized by which of the following white blood cell?

Basophil.

Megakaryocyte.

Neutrophil.

Eosinophil.

T-cell.

45
Q

The cells arrowed in the image are

Mast cells

Macrophages

Mesenchymal cells

Adipocytes

Fibroblasts

A

Macrophages

46
Q

The cells arrowed in the image are

Fibroblasts

Adipocytes

Mast cells

Mesenchymal cells

Macrophages

A

Mast cells

47
Q

In allergic reactions histamine and heparin are released from which of the following cells?

  • All white blood cells.
  • Platelet.
  • Mast cells.
  • Red blood cells.
  • Neutrophils.
A

Mast cells.

48
Q

Plasma cells secrete

collagen

lysosomes

antibodies

heparin

histamine

A

antibodies

49
Q

In which of the following cell types is the chromatin arranged around the periphery of the nucleus?

Basophils.

Neutrophils.

Plasma cells.

Red blood cells.

Lymphocytes.

A

Plasma cells.

50
Q

Pericytes are found in which of the following?

  • Blood vessels.
  • Hepatocytes.
  • Airways.
  • Lymphatic vessels.
  • Nerve fibers.
A

Blood vessels.

51
Q

Plasma cell is derived from which white blood cell?

  • Eosinophils.
  • Lymphocytes.
  • Granulocytes.
  • Basophils.
  • Neutrophils.
A

Lymphocytes

52
Q

Which of the following is not a characteristic of cartilage?

  • It has type 2 collagen fibers.
  • It is Vascular.
  • It’s cells can divide.
  • The matrix is resilient.
  • It is avascular.
A

It is Vascular.

53
Q

Which of the following is considered as the functional component of the cartilage?

  • Periosteum
  • Chondrocytes
  • Matrix
  • Fibers
  • Perichondrium
54
Q

When viewed under a microscope what are the dividing cells of cartilage called?

  • Chondroblasts.
  • Chondrocytes.
  • Fibroblasts.
  • Granulocytes.
  • Osteoblasts.
A

Chondrocytes.

Histology (11 decks)

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