Epithelial Tissue Types

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In which location is stratified columnar epithelium found?

Urinary bladder
Large excretory ducts of sweat and salivary glands
Conjunctiva lining the eyelids (correct)
Upper part of the urethra

What is the characteristic of the surface cells in transitional epithelium?

They are columnar in shape
They are cuboidal in shape
They are squamous in shape
They are neither squamous nor columnar (correct)

What type of epithelium is found in the passages of the upper respiratory tract?

Simple columnar epithelium
Pseudostratified ciliated columnar epithelium (correct)
Stratified cuboidal epithelium
Transitional epithelium

What is the main function of glandular epithelium?

Secretion of specific substances (C) Signup and view all the answers

What is the main difference between exocrine and endocrine glands?

Method of secretion release (B) Signup and view all the answers

What is an example of a unicellular gland?

Goblet cell (A) Signup and view all the answers

What type of protein is found in collagen fibers?

Type 1 collagen (C) Signup and view all the answers

What is the main function of reticular fibers?

Supporting (A) Signup and view all the answers

What is characteristic of dense irregular connective tissue?

Collagen fibers are without a definite orientation (A) Signup and view all the answers

What type of cells predominate in adipose tissue?

Adipocytes or fat cells (C) Signup and view all the answers

What is the difference between loose and dense connective tissue?

Dense connective tissue has fewer cells and a clear predominance of collagen fibers (B) Signup and view all the answers

What is the function of endothelial cells in blood vessels?

To provide a source of new fibroblasts (B) Signup and view all the answers

What is the primary function of fibroblasts in connective tissue?

Synthesis of extracellular matrix (A) Signup and view all the answers

What type of cells are responsible for secreting the ECM that makes up bone?

Osteocytes and osteoblasts (B) Signup and view all the answers

What is the main component of the ground substance in connective tissue?

Glycosoaminoglycans (GAGs) (B) Signup and view all the answers

What is the function of tissue macrophages, mast cells, and leucocytes in connective tissue?

Defense and immune functions (D) Signup and view all the answers

What type of connective tissue is characterized by a loose arrangement of cells and fibers?

Loose connective tissue (A) Signup and view all the answers

What is the function of adipocytes in connective tissue?

Storage and metabolism of fats (A) Signup and view all the answers

What percentage of blood is composed of blood cells, platelets, and other formed elements?

45% (B) Signup and view all the answers

Which part of a neuron receives input from the environment and from other neurons?

Dendrites (A) Signup and view all the answers

What is the primary function of glial cells in the nervous system?

To provide functional and structural support to neurons (B) Signup and view all the answers

What is the specialized type of connective tissue that blood belongs to?

Fluid connective tissue (B) Signup and view all the answers

What is the purpose of the myelin sheath in axons?

To insulate the axon and facilitate signal transmission (B) Signup and view all the answers

What is the function of the nodes of Ranvier in axons?

To facilitate saltatory conduction (C) Signup and view all the answers

What is the main function of astrocytes in the central nervous system?

Forming the blood-brain barrier (C) Signup and view all the answers

Which type of muscle tissue is found in the walls of the heart?

Cardiac muscle (C) Signup and view all the answers

What is the characteristic feature of skeletal muscle fibers?

Multi-nucleated (A) Signup and view all the answers