Lecturio

Question 1

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

Answer 1

Junctional complexes.

Question 2

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

Answer 2

Collagen

Question 3

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.

Answer 3

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

Question 4

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

…stratified cuboidal.

…pseudostratified columnar.

…simple squamous.

..stratified squamous.

…simple cuboidal.

Answer 4

…stratified cuboidal.

Question 5

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

Answer 5

Resisting wear and tear

Explanation

Stratified squamous epithelium

NOT ANSWER:

Transcellular transport: Simple squamous epithelium

Both secretion and absorption: simple cuboidal and simple columnar

Question 7

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

Answer 7

1. Simple squamous

Question 9

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

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

Answer 9

Endocardium

Question 10

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.

Answer 10

Stratified keratinized epithelium.

Question 11

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

Answer 11

Villi

Question 12

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.

Answer 12

Hair cells in ear.

Question 13

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.

Answer 13

Pseudostratified columnar epithelium.

Question 14

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

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

Answer 14

Actin

Question 15

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

Answer 15

Macula adherens

Question 16

Which junctional complex prevents passage of material between cells?

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

Answer 16

Tight junction.

Question 17

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

Answer 17

1. All of the choices are correct.

Question 18

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.

Answer 18

Generation of epithelial cells.

Question 19

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.

Answer 19

Basal lamina.

Question 20

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.

Answer 20

Connective tissue.

Question 21

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

Epithelial tissue.

Astrocytes.

Microglia.

Nervous tissue.

Connective tissue.

Answer 21

Connective tissue.

Question 22

Where does immune response occur in the body?

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

Answer 22

Connective tissue.

Question 23

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.

Answer 23

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

Question 24

Which component dominates the structure of tendons?

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

Answer 24

Collagen fibers.

Question 25

hat is biochemical nature of collagen ? 1. Carbohydrate. 2. Protein. 3. Glycoprotein. 4. Lipid. 5. Minerals.

Answer 25

Protein.

Question 26

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

Answer 26

dense, irregular connective tissue

Question 27

Mesenchyme does NOT give rise to * blood cells * bone cells * endothelial cells * mesothelial cells * cartilage cells

Answer 27

* blood cells

Question 28

This image is most likely a section through * a tendon * epidermis * dermis of skin * adipose tissue * lamina propria

Answer 28

dermis of skin

Question 29

onnective tissue is derived from which of the following embryonic tissue? 1. Ectoderm. 2. Yolk sac. 3. Notochord. 4. Mesenchyme. 5. Endoderm.

Answer 29

Mesenchyme.

Question 30

hich of the following is not a type of connective tissue? * Blood. * Cartilage. * Adipose tissue. * Bone. * Epithelium.

Answer 30

Epithelium.

Question 31

What type of collagen is this most likely to be? Type I Type II Type V Type IV Type III

Answer 31

Type I

Question 32

Connective tissue fibers are produced by which of the following cells? * Erythrocytes. * Osteoblasts. * Fibroblasts. * Erythroblasts. * Chondrocytes.

Answer 32

Fibroblasts.

Question 33

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.

Question 34

Lymphoid tissue is dominated by which type of fibers? Elastic fibers. Fibroblasts. Collagen type 2 fibers. Reticular fibers. Collagen type 1 fibers.

Answer 34

Reticular fibers.

Question 36

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

Answer 36

Mason’s stain

Question 37

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.

Answer 37

Weigert stain.

Question 38

hat is component of Extracellular Matrix? Collagen. Glycoprotein. Glycosaminoglycans. Adipose tissue. Core protein.

Answer 38

Glycosaminoglycans.

Question 39

Reticular fibres are really type III collagen fibres type V collagen fibres type IV collagen fibres type I collagen fibres type II collagen fibres

Answer 39

type III collagen fibres

Question 40

Which of the following is not synthesized by fibroblasts? Reticular fibers. Elastic fibers. Protein of Extracellular Matrix. Carbohydrates of Extracellular matrix. Collagen.

Answer 40

Protein of Extracellular Matrix.

Question 41

Which embryonic tissue are the mast cells derived from ? Neuroectoderm. Endoderm. Mesenchyme. Bone marrow. Ectoderm.

Answer 41

Mesenchyme.

Question 42

Which of the following structures is important for the phagocytic property of macrophages? Mitochondria. Peroxisome. Lysosome. Nucleus. Endoplasmic reticulum.

Answer 42

Lysosome.

Question 43

On which of the following cells are Major histocompatibility complex located? All white blood cells. Platelets. Macrophages. Erythrocytes. Neutrophils.

Answer 43

Macrophages.

Question 44

Antigens presented by Major histocompatibility complex are recognized by which of the following white blood cell? Basophil. Megakaryocyte. Neutrophil. Eosinophil. T-cell.

Answer 44

T-cell.

Question 45

The cells arrowed in the image are Mast cells Macrophages Mesenchymal cells Adipocytes Fibroblasts

Answer 45

Macrophages

Question 46

The cells arrowed in the image are Fibroblasts Adipocytes Mast cells Mesenchymal cells Macrophages

Answer 46

Mast cells

Question 47

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.

Answer 47

Mast cells.

Question 48

Plasma cells secrete collagen lysosomes antibodies heparin histamine

Answer 48

antibodies

Question 49

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.

Answer 49

Plasma cells.

Question 50

Pericytes are found in which of the following? * Blood vessels. * Hepatocytes. * Airways. * Lymphatic vessels. * Nerve fibers.

Answer 50

Blood vessels.

Question 51

Plasma cell is derived from which white blood cell? * Eosinophils. * Lymphocytes. * Granulocytes. * Basophils. * Neutrophils.

Answer 51

Lymphocytes

Question 52

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.

Answer 52

It is Vascular.

Question 53

Which of the following is considered as the functional component of the cartilage? * Periosteum * Chondrocytes * Matrix * Fibers * Perichondrium

Answer 53

Matrix

Question 54

When viewed under a microscope what are the dividing cells of cartilage called? * Chondroblasts. * Chondrocytes. * Fibroblasts. * Granulocytes. * Osteoblasts.

Answer 54

Chondrocytes.