30 Questions
In which location is stratified columnar epithelium found?
Conjunctiva lining the eyelids
What is the characteristic of the surface cells in transitional epithelium?
They are neither squamous nor columnar
What type of epithelium is found in the passages of the upper respiratory tract?
Pseudostratified ciliated columnar epithelium
What is the main function of glandular epithelium?
Secretion of specific substances
What is the main difference between exocrine and endocrine glands?
Method of secretion release
What is an example of a unicellular gland?
Goblet cell
What type of protein is found in collagen fibers?
Type 1 collagen
What is the main function of reticular fibers?
Supporting
What is characteristic of dense irregular connective tissue?
Collagen fibers are without a definite orientation
What type of cells predominate in adipose tissue?
Adipocytes or fat cells
What is the difference between loose and dense connective tissue?
Dense connective tissue has fewer cells and a clear predominance of collagen fibers
What is the function of endothelial cells in blood vessels?
To provide a source of new fibroblasts
What is the primary function of fibroblasts in connective tissue?
Synthesis of extracellular matrix
What type of cells are responsible for secreting the ECM that makes up bone?
Osteocytes and osteoblasts
What is the main component of the ground substance in connective tissue?
Glycosoaminoglycans (GAGs)
What is the function of tissue macrophages, mast cells, and leucocytes in connective tissue?
Defense and immune functions
What type of connective tissue is characterized by a loose arrangement of cells and fibers?
Loose connective tissue
What is the function of adipocytes in connective tissue?
Storage and metabolism of fats
What percentage of blood is composed of blood cells, platelets, and other formed elements?
45%
Which part of a neuron receives input from the environment and from other neurons?
Dendrites
What is the primary function of glial cells in the nervous system?
To provide functional and structural support to neurons
What is the specialized type of connective tissue that blood belongs to?
Fluid connective tissue
What is the purpose of the myelin sheath in axons?
To insulate the axon and facilitate signal transmission
What is the function of the nodes of Ranvier in axons?
To facilitate saltatory conduction
What is the main function of astrocytes in the central nervous system?
Forming the blood-brain barrier
Which type of muscle tissue is found in the walls of the heart?
Cardiac muscle
What is the characteristic feature of skeletal muscle fibers?
Multi-nucleated
Which type of muscle tissue is involuntary and found in the walls of hollow internal structures?
Smooth muscle
What is the function of oligodendrocytes in the central nervous system?
Synthesizing myelin
What is the characteristic feature of cardiac muscle cells?
Presenting intercalated discs
This quiz covers the different types of epithelial tissues, including stratified columnar, stratified cuboidal, and transitional epithelium. Learn about their characteristics, functions, and locations in the human body.
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