Identify the INCORRECT statement:
Epithelia are classified according to the number of cell layers
Epithelia are strengthened by connective tissue fibres between epithelial cells
Epithelia are separated from underlying connective tissue by a basal lamina
Epithelia are classified according to the shape of the outermost cell layer
Only stratified epithelia contain two or more rows of cell nuclei
Choose the one CORRECT answer. Meibomian (or tarsal) glands:
Are endocrine glands
Are classified as connective tissue
Feature holocrine secretion
Feature slow cell turnover
Are modified sweat glands
The epithelium seen in these ducts would be classified as:
Stratified cuboidal
Simple columnar
Simple squamous
Pseudostratified columnar
Keratinised stratified squamous
Bone is removed by:
Osteoblasts
Osteoclasts
Fibroblasts
Fibrocytes
Osteocytes
Elastin:
Is composed of proteoglycans
Is produced by elastoplasts
Can be seen in the light microscope with H&E staining
Has high tensile strength
Allows tissues to stretch and contract
In relation to the nose, the ear lies:
Parasagittal
Ventromedial
Superomarginal
Posterolateral
Craniocaudal
Identify the INCORRECT answer. The tarsal conjunctival epithelium:
Sits on top of an acellular basal lamina
Contains many goblet cells
Is a keratinised stratified columnar epithelium
Contains nerve endings
Is held together by desmosomes
The resolution of the light microscope is about:
0.002 m
0.2 mm
2.0 µm
2.0 nm
0.2 µm
Identify the CORRECT statement.
Tendons contain substantial amounts of collagen fibres
Tendons are a form of dense irregular connective tissue
Tendons contain substantial amounts of microtubules
Tendons are avascular
Tendons contain substantial amounts of elastic fibres
Identify the INCORRECT answer. Tight junctions:
Are involved in maintenance of the blood-retinal barrier
Are found only between epithelial (incl. endothelial) cells
Are continuous belts of interlocking junctional proteins around the circumference of epithelial cells
Control the permeability of epithelia
Allow the movent of ions and small molecules between adjoining cells
Identify the INCORRECT statement. Dense regular connective tissue:
Is found in ligaments
Is found in the dermis of the skin Correct
Contains fibroblasts
Resists stretch in a single plane
Is found in tendons