Tissues

Histology refers to the

• Study of tissues
• Study of the body
• Removal of tissues
• Study of the brain

Define tissue with regards to anatomy

• A group of structurally and functionally related cells that come together to perform common functions
• Multiple sheets of thin paper used to clean your nose
• A series of different cells in the same area
• The smallest structural and functional unit of an organism

Which of the following is NOT one of the four primary tissue types?

• Gastric
• Connective
• Muscle
• Epithelial

What is the function of epithelial cells?

• Act as barriers between the external environment, or between organs and fluidfilled cavities

• Provide movement by pulling on bones

• Connect different parts of the body

• Act as the messaging pathway between different areas of the body

Which of the following cell types is correctly matched with it's cell shape?

• Squamous - flattened, pancake
• Cuboidal - rectangular
• Columnar - flattened, pancake
• Columnar - cubed/square

Simple squamous cells are found where?

• Blood vessels and air sacs of lungs

• Respiratory passages

• Ducts of glands

• Uterine tube

What is the general structure of cuboidal cells?

• Square with large central nucleus
• Flat, 'fried egg' appearance
• Rectangular with nucleus towards basal end
• Dead apical cells filled with keratin

What is the difference between exocrine and endocrine functions?

• Exocrine cells secrete fluids into ducts; endocrine cells secrete fluids into the blood stream
• They are synonymous
• Exocrine cells secrete fluids to the outside of the body; endocrine cells secrete fluids into the inside of the body
• Exocrine cells secrete clear fluids; endocrine cells secrete opaque fluids

Which of the following is NOT a type of connective tissue 'proper'?

• Blood
• Loose
• Reticular
• Adipose

The common term for adipose tissue is

• Fat
• Blood
• Bone
• Cartilage