TCDHA HISTOLOGY EXAM PACK| QUESTIONS & ANSWERS(RATED A+)

What is enamel? -ANSWER Hardest calcified/mineralized tissue in the human body Covers Anatomical crown What is the blood supply of enamel? -ANSWER Avascular and non-vital (has no nerves) What is the material makeup of enamel? -ANSWER 96% inorganic (mineralized) material - mainly calcium hydro...

Holocrine Glands - ANSWERentire cells are discharged as secretion (sebaceous glands) Merocrine glands - ANSWERsecrete product through free surface, no loss of cytoplasm/cell Apocrine Glands - ANSWERsecrete small amounts of cytoplasm/cell with secretory product (mammary glands) unicellular -...

Exocrine Glands -ANSWER gland that secretes its products through excretory ducts to the surface of an organ or tissue or into a vessel Endocrine glands: -ANSWER glands that secrete chemicals called hormones directly into the bloodstream Exocrine glands have 4 characteristics; -ANSWER 1. Duct s...

Which duct does not branch? -ANSWER simple A process by which all cytoplasmic components of the cell are divided into 2 identical daughter cells -ANSWER cytokinesis Name the 2 types of nerves in the periodontal ligaments? -ANSWER myelinated afferent and autonomic Name the 3 groups of fibers...

cell -ANSWER smallest unit of life function: carry out vital processes of absorption, assimilation, respiration, irritability, conductivity, growth, reproduction and excretion exo/endocytosis -ANSWER exocytosis: expulsion of materials out of cell EX= EXIT endocytosis: uptake of materials...

simple - ANSWER1 layer of cells stratified - ANSWERmany layers of cells Pseudo stratified - ANSWERappear to be stratified or layered but are not. squamous - ANSWERflattened cells Cuboidal - ANSWERcube shaped cells Colummar - ANSWERtall epi - ANSWERupon, over thelium - ANSWERtiss...

sources of pulpal irritation -ANSWER dental caries, trauma, attrition, presence of restoration an odontoblast may produce ________ if stressed -ANSWER tertiary dentin (reparative dentin) dead tract or sclerotic dentin is a result of -ANSWER overstress; an odontoblast and its process may die an...

*evolve question* Which of the following lesions appears initially as red patches, then paler pink, and finally turns to white patches on the body of the tongue? - ANSWERgeographic tongue *evolve question* What type of cell listed below has prominent granules in the cytoplasm that form a keratin ...

What does oral mucosa line? - ANSWERThe oral cavity What type of cells is the oral mucosa made of? - ANSWERStratified squamous epithelium What are the three main types of oral mucosa? - ANSWERLining, masticatory, specialized What are the three types of stratified squamous epithelium found w...

Ectoderm -ANSWER Gives rise to the epidermis of the nervous system Endoderm -ANSWER gives rise to the epithelial linings of respiratory passages and digestive tract lining Mesoderm -ANSWER Gives rise to muscle, skin dermis, connective tissue, bone, blood and other associated tissues (during th...

Intercellular substance -ANSWER products of living cells & is distributed among the cells in all the tissues of the body. It hold cells together and provides a medium for the passage of nutrients and waste materials from capillaries to cells, and from cells to capillaries. Ground Section -ANSWER ...

First invented Xrays -ANSWER Wilhelm Conrad Roetgen 1895 Classifications of ionizing radiation -ANSWER electromagnetic, particulate electromagnetic radiation -ANSWER man made or occurs naturally, possesses no mass Particulate radiation -ANSWER tiny particles of matter that possess mass and ...

Histology is the study of the? -ANSWER Normal structure of tissues A discrete population cells that are related in structure and function along with the surrounding material called extracellular metric (ECM) are known as> -ANSWER What general tissue type binds, supports, and protects the b...

Give two examples of a eukaryotic microorganism. - ANSWERyeast, grass, trees, plants, animals Give an example of a prokaryote. - ANSWERbacteria Describe characteristics of both eukaryotic and prokaryotic microorganisms. - ANSWEREukaryotes are complex cells with internal membranes (has a nucleu...