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RUSVM Secret Stash - DO NOT SHARE LINK > Microanatomy Practice Final Exam > Flashcards

Microanatomy Practice Final Exam Flashcards

1
Q

Which of the following is an advantage of light microscopy?

a) Inexpensive
b) Rapid diagnosis
c) Allows observation of living specimens
d) Resolving power of 0.02μm
e) ‘a’, ‘b’ and ‘c’ are correct

A

Which of the following is an advantage of light microscopy?

a) Inexpensive
b) Rapid diagnosis
c) Allows observation of living specimens
d) Resolving power of 0.02μm

e) ‘a’, ‘b’ and ‘c’ are correct

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2
Q

In what phase of processing is a 10% buffered formalin used?

a. Dehydration
b. Cleaning
c. Fixation
d. Infiltration

A

In what phase of processing is a 10% buffered formalin used?

a. Dehydration
b. Cleaning

c. Fixation

d. Infiltration

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3
Q

When using a microtome what is the thickness a sample should be sliced?

a. 1-7mm
b. 7-10mm
c. 1-7μm
d. 7-10μm

A

When using a microtome what is the thickness a sample should be sliced?

a. 1-7mm
b. 7-10mm

c. 1-7μm

d. 7-10μm

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4
Q

True or false: Cells producing proteins are basophilic and will stain pink when using a Hematoxylineosin (H&E) stain?

a. True
b. False

A

True or false: Cells producing proteins are basophilic and will stain pink when using a Hematoxylineosin (H&E) stain?

a. True

b. False

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5
Q

There are two types of chromatin, ______ which is inactive and stains _______ and _______ which is active and stains ________.

a. Heterochromatin, dark blue, euchromatin, pale
b. Euchromatin, dark blue, heterochromatin, pale
c. Heterochromatin, pale, euchromatin, dark blue
d. Euchromatin, pale, heterochromatin, dark blue

A

There are two types of chromatin, ______ which is inactive and stains _______ and _______ which is active and stains ________.

a. Heterochromatin, dark blue, euchromatin, pale

b. Euchromatin, dark blue, heterochromatin, pale
c. Heterochromatin, pale, euchromatin, dark blue
d. Euchromatin, pale, heterochromatin, dark blue

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6
Q

What organelle is shown in the picture below?

a. Nucleus
b. Cytoplasm
c. Mitochondria
d. Rough endoplasmic reticulum

A

What organelle is shown in the picture below?

a. Nucleus
b. Cytoplasm

c. Mitochondria

d. Rough endoplasmic reticulum

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7
Q

True or false: mitochondria are involved with the initiation of apoptosis.

a. True
b. False

A

True or false: mitochondria are involved with the initiation of apoptosis.

a. True

b. False

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8
Q

What type of cell is pictured below?

a. Pancreatic islet cell
b. Goblet cell
c. Pancreatic acinar cell
d. None of the above

A

What type of cell is pictured below?

a. Pancreatic islet cell
b. Goblet cell

c. Pancreatic acinar cell

d. None of the above

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9
Q

Which of the following is not a function of the smooth endoplasmic reticulum?

a. Lipid biosynthesis
b. Glycosylation of glycoproteins
c. Detoxification
d. Sequestration of calcium ions
e. None of the above, all are functions of the smooth endoplasmic reticulum

A

Which of the following is not a function of the smooth endoplasmic reticulum?

a. Lipid biosynthesis

b. Glycosylation of glycoproteins

c. Detoxification
d. Sequestration of calcium ions
e. None of the above, all are functions of the smooth endoplasmic reticulum

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10
Q

Which of the following is a function of the rough endoplasmic reticulum?

a. Segregate proteins not destined to the cytoplasm
b. Glycosylation of glycoproteins
c. Synthesis of phospholypids
d. Assembly of multichain proteins
e. All of the above

A

Which of the following is a function of the rough endoplasmic reticulum?

a. Segregate proteins not destined to the cytoplasm
b. Glycosylation of glycoproteins
c. Synthesis of phospholypids
d. Assembly of multichain proteins

e. All of the above

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11
Q

What is the organelle seen in the picture below (note arrow is pointing to structure in question)?

a. Smooth endoplasmic reticulum
b. Rough endoplasmic reticulum
c. Golgi complex
d. Mitochondria

A

What is the organelle seen in the picture below (note arrow is pointing to structure in question)?

a. Smooth endoplasmic reticulum
b. Rough endoplasmic reticulum

c. Golgi complex

d. Mitochondria

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12
Q

True or false: lysosomes are secretory vesicles associated with phagocytosis and pinocytosis?

a. True
b. False

A

True or false: lysosomes are secretory vesicles associated with phagocytosis and pinocytosis?

a. True

b. False

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13
Q

True or false: ubiquitin is a small globular protein present in all prokaryotic cells?

a. True
b. False

A

True or false: ubiquitin is a small globular protein present in all prokaryotic cells?

a. True

b. False

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14
Q

True or false: stereocilia are non-motile projections with an absorptive function.

a. True
b. False

A

True or false: stereocilia are non-motile projections with an absorptive function.

a. True

b. False

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15
Q

Which is not a function of epithelial tissue?

a. Protection
b. Secretion
c. Absorption
d. Cleaning
e. None of the above, all are functions of epithelial tissue

A

Which is not a function of epithelial tissue?

a. Protection
b. Secretion
c. Absorption
d. Cleaning

e. None of the above, all are functions of epithelial tissue

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16
Q

True or false: with the exception of the ear all lining epithelium is avascular.

a. True
b. False

A

True or false: with the exception of the ear all lining epithelium is avascular.

a. True

b. False

17
Q

Which type of intracellular junction prevents leakage of fluid across a layer of epithelial cells and seen in the stomach?

a. Gap junctions
b. Tight junctions
c. Desmosomes

A

Which type of intracellular junction prevents leakage of fluid across a layer of epithelial cells and seen in the stomach?

a. Gap junctions

b. Tight junctions

c. Desmosomes

18
Q

What intracellular junction functions as rivets and adhere epithelial cells of the skin?

a. Gap junctions
b. Tight junctions
c. Desmosomes

A

What intracellular junction functions as rivets and adhere epithelial cells of the skin?

a. Gap junctions
b. Tight junctions

c. Desmosomes

19
Q

What intracellular junction functions as a means of communication between adjacent cells?

a. Gap junctions
b. Tight junctions
c. Desmosomes

A

What intracellular junction functions as a means of communication between adjacent cells?

a. Gap junctions

b. Tight junctions
c. Desmosomes

20
Q

What do goblet cells secrete?

a. Mucinogen/mucus granules
b. Mucus
c. None of the above

A

What do goblet cells secrete?

a. Mucinogen/mucus granules

b. Mucus
c. None of the above

21
Q

What type of gland is shown in the picture below?

a. Mucus gland
b. Serous gland
c. Mixed gland
d. Sebaceous gland

A

What type of gland is shown in the picture below?

a. Mucus gland
b. Serous gland

c. Mixed gland

d. Sebaceous gland

22
Q

What type of gland secretion method is shown in the picture below?

a. Merocrine
b. Apocrine
c. Holocrine
d. Endocrine

A

What type of gland secretion method is shown in the picture below?

a. Merocrine

b. Apocrine

c. Holocrine
d. Endocrine

23
Q

What type of gland secretion method is shown in the picture below?

a. Merocrine
b. Apocrine
c. Holocrine
d. Endocrine

A

What type of gland secretion method is shown in the picture below?

a. Merocrine
b. Apocrine

c. Holocrine

d. Endocrine

24
Q

What type of gland secretion method is shown in the picture below?

a. Merocrine
b. Apocrine
c. Holocrine
d. Endocrine

A

What type of gland secretion method is shown in the picture below?

a. Merocrine

b. Apocrine
c. Holocrine
d. Endocrine

25
Q

Which type of collagen is only found in basement membranes?

a. Type 1
b. Type 2
c. Type 3
d. Type 4

A

Which type of collagen is only found in basement membranes?

a. Type 1
b. Type 2
c. Type 3

d. Type 4

26
Q

Which type of collagen is found in cartilage?

a. Type 1
b. Type 2
c. Type 3
d. Type 4

A

Which type of collagen is found in cartilage?

a. Type 1

b. Type 2

c. Type 3
d. Type 4

27
Q

Which type of collagen is found in bone, dentin, dermis, tendons and resists tensile forces?

a. Type 1
b. Type 2
c. Type 3
d. Type 4

A

Which type of collagen is found in bone, dentin, dermis, tendons and resists tensile forces?

a. Type 1

b. Type 2
c. Type 3
d. Type 4

28
Q

Which type of collagen is found in stroma of expandable organs such as the spleen, lymph nodes and liver?

a. Type 1
b. Type 2
c. Type 3
d. Type 4

A

Which type of collagen is found in stroma of expandable organs such as the spleen, lymph nodes and liver?

a. Type 1
b. Type 2

c. Type 3

d. Type 4

29
Q

True or false: the aorta contains elastic fibers.

a. True
b. False

A

True or false: the aorta contains elastic fibers.

a. True

b. False

30
Q

True or false: mesenchymal cells differentiate to form stellate cartilage precursors called chondroblasts.

a. True
b. False

A

True or false: mesenchymal cells differentiate to form stellate cartilage precursors called chondroblasts.

a. True

b. False

31
Q

Which is true of appositional growth?

a. Occurs by activation of chondroblasts with differentiation into chondrocytes
b. Takes place in chondrogenic cellular layer of the perichondrium
c. Results in increase of diameter or thickness of cartilage
d. All of the above

A

Which is true of appositional growth?

a. Occurs by activation of chondroblasts with differentiation into chondrocytes
b. Takes place in chondrogenic cellular layer of the perichondrium
c. Results in increase of diameter or thickness of cartilage

d. All of the above

32
Q

Which is not true of interstitial growth?

a. Occurs in early stages and in growth plates
b. Results in increase of cartilage mass and occurs from within
c. Chondrocytes undergo mitosis within their lacuna and extend beyond the matrix
d. None of the above

A

Which is not true of interstitial growth?

a. Occurs in early stages and in growth plates
b. Results in increase of cartilage mass and occurs from within

c. Chondrocytes undergo mitosis within their lacuna and extend beyond the matrix

d. None of the above

33
Q

What is the most common type of cartilage?

a. Hyaline cartilage
b. Elastic cartilage
c. Fibrocartilage

A

What is the most common type of cartilage?

a. Hyaline cartilage

b. Elastic cartilage
c. Fibrocartilage

34
Q

True or false: fibrocartilage has the capacity to regenerate.

a. True
b. False

A

True or false: fibrocartilage has the capacity to regenerate.

a. True

b. False

35
Q

What type of bone cell is capable of mitosis?

a. Osteoblasts
b. Osteocytes
c. Osteoclasts
d. Osteoprogenitor cells

A

What type of bone cell is capable of mitosis?

a. Osteoblasts
b. Osteocytes
c. Osteoclasts

d. Osteoprogenitor cells

36
Q

True or false: the neurovascular channels are known as Haversian canals?

a. True
b. False

A

True or false: the neurovascular channels are known as Haversian canals?

a. True

b. False

37
Q

When bone occurs directly in primitive connective tissue is called ______, when bone develops in preexisting cartilage, it is called _________.

a. Intramembranous ossification, endochondral ossification
b. Endochondral ossification, intramembranous ossification

A

When bone occurs directly in primitive connective tissue is called ______, when bone develops in preexisting cartilage, it is called _________.

a. Intramembranous ossification, endochondral ossification

b. Endochondral ossification, intramembranous ossification

38
Q

Which osteogenic processes requires a preformed cartilage model?

a. Intramembranous ossification
b. Endochondral ossification

A

Which osteogenic processes requires a preformed cartilage model?

a. Intramembranous ossification

b. Endochondral ossification

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