Quiz Questions Flashcards
T/F. A tumor that has poorly differentiated cells and is not encapsulated would most likely be benign?
False. It would be malignant
You have a young women patient who is concerned about her wisdom teeth. You do PA radiographs and find that all are impacted except number 32. In the lower right you find a well-defined radiolucency in the area where number 32 would be. It is asymptomatic and there is no history of extraction. This is most likely a…?
Primordial cyst
T/F and T/F. Ameloblastomas are true tumors of tissue that would normally form dental structures. Ameloblastomas are often associated with primordial cysts.
True. False
T/F. Periapical cemental dysplasia is associated with teeth with pulpal necrosis?
False
T/F. It is much more likely that leukoplakia is carcinoma-in-situ than erythroplakia.
False
T/F. An ulceration on the lower lip that is diagnosed as cancer would have a better chance of being squamous cell carcinoma than basal cell carcinoma based upon its location.
True.
T/F. A birth mark also known as a port wine stain is an example of a pigmented cellular nervus.
False.
What is the fundamental difference that makes anaplasia different from any other cellular response to irritation?
Anaplasia cells are similar to cancer cells.
T/F. Tobacco is the biggest cause of basal cell carcinoma. Orally, basal cell carcinoma is most often seen on the tongue.
False. True
A 30 year old man presents himself to your practice for a prophy and exam. You notice that tooth number 28 is not present. You do a full mouth set of radiographs and find that there is no impacted tooth in that area, but there is a radiolucency with a fine radiopaque border. You question him about his past dental history and he tells you that he had a bad toothache and had a tooth removed in that area several years ago. This radiolucency is most likely?
Residual cyst
There are several different classes of carcinogens. Name one
Chemicals Viruses Smoking/Chewing Radiation Mechanical Trauma Hormones like estrogen
Of the terms listed, which one doesn’t fit with the rest? Encapsulated, slow growing, non-functional cells, and well differentiated.
Non-functional cells
The substitution of a more specialized, fragile cell type for a cell type that is less specialized and more durable in cases of prolonged irritation is the definition of?
Metaplasia
T/F. A papilloma is the most common benign intraoral tumor?
False. It is a fibroma.
T/F and T/F. Basal cell carcinoma is the most common intraoral malignancy. If an ulceration on the upper lip is a skin cancer, chances are greater that it is epidermoid carcinoma rather than basal cell carcinoma.
Both statements are false.
What histological feature defines a pathologic cavity as a cyst?
Epithelium lining
T/F. Erythroplakia has a greater chance of being cancer than leukoplakia.
True
What group of people is verrucous carcinoma most associated with?
Older men who chew
A middle-aged man presents for treatment as a new patient at the clinic where you practice. He is missing tooth number 29. Upon radiographic survey you find the tooth is not impacted and he has no history of extraction. He has a radiolucency with a well-defined border where that tooth should be. The radiolucency is probably a?
Primordial cyst
An ameloblastoma is most associated with a ?
Follicular cyst
Name the 2 things which control all body processes.
Endocrine and Nervous systems
Hyperpituitarism in adults causes a problem know as?
Acromegaly
A lack of antidiuretic hormone will cause a problem called?
Diabetes insipidus
Graves disease is associated with which gland?
Thyroid