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Histology Classification of Tissues

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Questions and Answers

What is the primary function of the basal lamina?

To filter out harmful substances from the environment

To facilitate cell migration

To regulate cell proliferation and differentiation

To provide structural support for the epithelial cells (correct)

Which of the following is NOT a component of the basal lamina?

Laminin

Entactin

Glycogen (correct)

Type IV collagen

How do the basal lamina and basement membrane differ in their structure?

The basal lamina is thinner and more electron-lucent than the basement membrane

The basal lamina is visible only under an electron microscope, while the basement membrane is visible under a light microscope (correct)

The basal lamina is thicker and more electron-dense than the basement membrane

The basal lamina is formed by the fusion of two basal laminæ, while the basement membrane is formed by the fusion of a basal lamina and a reticular lamina

What is the primary function of epithelial tissues?

Covering external and internal surfaces of the body Signup and view all the answers

Which of the following is NOT a function of the basal lamina?

Facilitating the absorption of nutrients Signup and view all the answers

Which type of tissue lines body cavities that do not communicate with the internal or external surfaces?

Mesothelium Signup and view all the answers

What is the purpose of the apical surface specializations, such as microvilli and cilia, found on epithelial cells?

To respond to stimuli from the external environment Signup and view all the answers

Which type of muscle tissue is found in the heart?

Cardiac muscle Signup and view all the answers

Which of the following is NOT a common epithelial tissue disease?

Parkinson's disease Signup and view all the answers

What are the structures responsible for conducting or processing nervous impulses in the body?

Nerve tissues Signup and view all the answers

Which type of tissue is crucial for supporting structures of organs and transporting nutrients and wastes?

Connective and supportive tissues Signup and view all the answers

Why are intercellular channels between adjacent epithelial cells important in thicker epithelia?

For distribution of oxygen and nutrients Signup and view all the answers