Morphology and Function of Skin Cells Quiz

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What is the primary function of mast cells?

Intervening in hypersensitivity diseases (correct)

Protecting the body from infections

Producing inflammatory cells

Regulating blood pressure

Which of the following best describes the origin of mast cells?

They are formed in the lymph nodes

They are created in the spleen

They originate from bone marrow precursors (correct)

They are produced in the liver

What is a characteristic feature of mast cells when observed under a microscope?

They have numerous intracytoplasmic metachromatic granules (correct)

They lack a distinct nucleus

They appear transparent

They have elongated nuclei

What is a common challenge in interpreting inflammatory cells?

Differentiating between different sized nuclei Signup and view all the answers

Where are mast cells primarily located?

In the connective tissue around vessels Signup and view all the answers

What is the main characteristic that differentiates neoplastic cells from histiocytic inflammatory giant cells?

Uniform nuclear size Signup and view all the answers

Which type of giant cells is typically observed in immunological diseases linked to fungal infections?

Langhans cells Signup and view all the answers

What cytoplasmic feature characterizes well-differentiated mast cells?

Purple granules Signup and view all the answers

Which cells are stimulated from some malignant neoplasms such as anaplastic sarcomas?

Reactive histiocytic cells Signup and view all the answers

In neoplastic cells, what is a common feature of the nuclei that distinguishes them from histiocytic inflammatory giant cells?

Various nuclear sizes Signup and view all the answers

What is a notable difference between the nuclei of neoplastic cells and those of histiocytic inflammatory giant cells?

Multiple nucleoli Signup and view all the answers

What is the mechanism underlying the formation of giant cells according to one of the theories mentioned in the text?

Cells fuse together Signup and view all the answers

What feature characterizes giant cells?

Multiple nuclei Signup and view all the answers

What foreign substances can be found in the cytoplasm of giant cells as mentioned in the text?

Keratinocytes and hair shafts Signup and view all the answers

What distinguishes foreign body cells from other giant cells according to the text?

Peripheral nucleus arrangement in a horseshoe shape Signup and view all the answers

In what condition are epithelioid cells commonly observed in an epithelial-like arrangement around large foreign bodies?

Furunculosis Signup and view all the answers

How do giant cells differ from spindle mesenchymal cells such as fibroblasts?

Presence of multiple nuclei Signup and view all the answers

Morphology and Function of Skin Cells Quiz

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