Description : What is the difference between benign tumor and malignant tumor? -Biology
Last Answer : answer:
Description : During which step of cellular carcinogenesis do cellular changes exhibit increased malignant behavior? a) Progression During this third step, cells show a propensity to invade adjacent tissues and ... of cellular DNA. d) Prolongation No stage of cellular carcinogenesis is termed prolongation.
Last Answer : a) Progression During this third step, cells show a propensity to invade adjacent tissues and metastasize.
Description : In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant ... is mutated and produced in less amount (d) DNA is mutated and produced in less amount
Last Answer : Ans:(a)
Description : A malignant tumor a) gains access to the blood and lymphatic channels. By this mechanism, the tumor metastasizes to other areas of the body. b) demonstrates cells that are well- ... malignant tumor grows at the periphery and sends out processes that infiltrate and destroy surrounding tissues.
Last Answer : a) gains access to the blood and lymphatic channels. By this mechanism, the tumor metastasizes to other areas of the body.
Description : Antibodies produced by a single clone of myeloma cells are referred to as _____ antibodies. a. Chimeric b. Monoclonal c. Polyclonal d. Hybrid
Last Answer : b. Monoclonal
Description : Is there a way to know whether a lump is malignant or benign without a biopsy?
Last Answer : A physician might be able to tell by palpating if it should be biopsied or not, but a layman probably couldn’t make a reasonable assessment. So now I pull out the Fluther litany…Go to the doctor! Or tell whoever that they should…
Description : $ Benign tumour remains confined whereas a malignant tumour undergoes metastasis. ! Tympanic fluid is filled in the tympanic cavity of the ear.
Last Answer : $ Benign tumour remains confined whereas a malignant tumour undergoes metastasis. ! Tympanic fluid is filled in ... D. If both As and R are wrong.
Description : Liver Tumors May Be Benign Or Malignant?
Last Answer : Liver tumors are not a rare occurrence and a new Canadian study says their incidence may be increasing. Although some of these tumors are malignant, most are only benign tumors. Benign liver ... the liver are treated with the standard therapies of radiation and chemotherapy as well as with surgery.
Description : Which one of the following statements is correct? (a) Benign tumours show the property of metastasis. (b) Heroin accelerates body functions. (c) Malignant tumours may exhibit metastasis. (d) Patients who have undergone surgery are given cannabinoids to relieve pain.
Last Answer : (c) Malignant tumours may exhibit metastasis
Description : Carcinoma refers to (a) malignant tumours of the connective tissue (b) malignant tumours of the skin or mucous membrane (c) malignant tumours of the colon (d) benign tumours of the connective tissue.
Last Answer : (b) malignant tumours of the skin or mucous membrane
Description : What can be expected after finding out you have a malignant tumor in your breast?
Last Answer : My mother has it, at about the same age. She had a lumpectomy, in which they also took some underarm lymph nodes. Is was not a long stay in hospital. Then she had radiation treatment. ... -menopausal breast cancer is alot less aggressive and much slower mestastisis than younger women but don't know
Description : What is the medical term for the spread of a malignant tumor?
Last Answer : Metastasis
Description : Have you ever had a benign brain tumor?
Last Answer : Yes, but it was active. I instantly became a caregiver. It changed my life too. Find the best care you can. MD Anderson in Houston and Dana Farber in Boston are two of the top facilities in the ... , but I don't suggest looking at mortality even if it is not benign. Best of luck. Sending prayers
Description : When a tumor is describe as benign it mean that the tumor is?
Last Answer : Feel Free to Answer
Description : Benign ear cyst or tumor?
Last Answer : DefinitionBenign ear cysts are noncancerous lumps or growths in the ear.Alternative NamesOsteomas; Exostoses; Tumor - ear; Cysts - ear; Ear cysts; Ear tumorsCauses, incidence, and risk factorsSebaceous ... increase the risk of benign tumors of the ear canal.SymptomsThe symptoms of cysts include:Pa
Description : Fifth disease a. Is hospital acquired? b. Causes white skin warts. c. Causes benign skin growths. d. Is transmitted by respiratory droplets.
Last Answer : d. Is transmitted by respiratory droplets.
Description : The following does not apply to cancer chemotherapy: A. Each treatment with a cytotoxic drug kills a constant number of malignant cells B. Drugs are generally used at maximum tolerated ... D. Combination regimens using several drugs in succession are superior to single drug used continuously
Last Answer : A. Each treatment with a cytotoxic drug kills a constant number of malignant cells
Description : Kaposi sarcoma is a tumor of the a. Blood vessels. b. Liver. c. Lymph nodes. d. Kidneys.
Last Answer : a. Blood vessels.
Description : Palliation refers to a) relief of symptoms associated with cancer. Palliation is the goal for care in terminal cancer patients. b) hair loss. Alopecia is the term that refers to hair loss. c) ... the lowest point of white blood cell depression after therapy that has toxic effects on the bone marrow.
Last Answer : a) relief of symptoms associated with cancer. Palliation is the goal for care in terminal cancer patients.
Description : In many types of cancer, proteins that are crucial regulators of the cell cycle are often mutated and cannot function correctly. This leads to the evasion of apoptosis and to the loss of control of cell ... protein named p53. What is the normal function of p53 that is lost when it is mutated?
Last Answer : Normally, p53 senses DNA damage and acts as a transcription factor for checkpoint control genes.
Description : Which pair of cells represents granulocytes? a. Basophils and lymphocytes b. Neutrophils and eosinophils c. Eosinophils and monocytes d. Lymphocytes and monocytes
Last Answer : b. Neutrophils and eosinophils
Description : Which of the following statement is FALSE regarding Krukenberg tumors Options: 1) They are primary ovarian carcinomas that always secondarily metastasize to Gastrointestinal organs 2) They are almost ... ) There is no infiltration through the capsule 4) They are freely movable in pelvis
Last Answer : orrect Answer: 1) They are primary ovarian carcinomas that always secondarily metastasize to Gastrointestinal organs
Description : ____ becomes activated to eliminate "nonself" cells, such as virus- infected cells or cancer cells. a. Humoral immune response b. Cell-mediated immune response c. Complement d. Inflammation
Last Answer : b. Cell-mediated immune response
Description : Cancer cells interfere with cell functions in all the following ways except: a. they rob cells of their nutrients and induce cell starvation. b. they stimulate the immune system to produce destructive ... reduce the oxygen supply to cells. d. they overwhelm cells through sheer force of numbers.
Last Answer : b. they stimulate the immune system to produce destructive interferons.
Description : Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy
Last Answer : Answer : C
Description : A simple overview of Cancer and Malignant growth
Last Answer : Cancer is a disease of the body's cells. It occurs when cells in the body become abnormal and grow out of control. A change which makes the gene faulty is called a mutation. Some ... liver and spleen produces excessive lymphocytes. Cancer in them are called as lymphomas eg. Hodgkin's disease.
Description : Which of the following terms is used to describe removal of the breast tissue and an axillary lymph node dissection leaving muscular structure intact as surgical treatment of breast cancer? a) ... the pectoralis major and minor muscles in addition to breast tissue and axillary lymph node dissection.
Last Answer : a) Modified radical mastectomy A modified radical mastectomy leaves the pectoralis major and minor muscles intact.
Description : What is true of thalidomide: A. It exerts antitumour activity in some solid malignant tumours B. It ameliorates cancer associated cachexia C. It exerts antileprotic action D. All of the above
Last Answer : B. It ameliorates cancer associated cachexia
Description : The following is true about use of prednisolone in malignant diseases except: A. It is curative in acute childhood leukaemia B. It is used in Hodgkin’s disease C. It controls hypercalcaemia in patients with bony metastasis D. It affords symptomatic relief in most cancer patients
Last Answer : A. It is curative in acute childhood leukaemia
Description : Tumors , cancer Disease In diagnosis No Ray Used Is it
Last Answer : Tumor , cancer Disease In diagnosis Gamma Ray Used Is.
Description : Appropriate guidelines for the use of TPN in cancer patients include: a. Long-term TPN in patients with rapid progressive tumor growth unresponsive to other therapy b. Mildly malnourished ... with severe malnutrition d. Patients in whom treatment toxicity precludes the use of enteral nutrition
Last Answer : Answer: c, d As a general rule, the most important factor to consider when making decisions about the use of TPN in patients with cancer is the response of the tumor to antineoplastic ... . Long-term TPN is not indicated with rapidly progressive tumor growth which is unresponsive to such therapy
Description : In the nutritional support of patients with cancer, which of the following statements is/are true? A. Nutritional support benefits the patient's lean body mass but does not enable ... with cancer about to undergo surgery revealed decreased morbidity and mortality, especially morbidity from sepsis.
Last Answer : Answer: B DISCUSSION: The problem with the patient with cancer is a very vexing one. Clearly, one of the metabolic effects of cancer, cachexia, affects patients in the last quartile ... undoubtedly reveal that there are certain nutrients that tumors require, which probably should be best avoided
Description : Which of the following types of lung cancer is the most prevalent carcinoma of the lung for both men and women? a) Adenocarcinoma Adenocarcinoma presents more peripherally as peripheral masses or ... arise primarily as proximal lesions, but may arise in any part of the tracheobronchial tree.
Last Answer : a) Adenocarcinoma Adenocarcinoma presents more peripherally as peripheral masses or nodules and often metastasizes.
Description : Which of the following types of lung cancer is characterized as fast growing and tending to arise peripherally? a) Large cell carcinoma Large cell carcinoma is a fast-growing tumor that ... cell carcinoma Squamous cell carcinoma arises from the bronchial epithelium and is more centrally located.
Last Answer : a) Large cell carcinoma Large cell carcinoma is a fast-growing tumor that tends to arise peripherally.
Description : In an ELISA, the primary antibody represents a. The patient‘s serum. b. The antibody recognizing the secondary antibody. c. The enzyme-linked (labeled) antibody. d. The antibodies having been washed away.
Last Answer : b. The antibody recognizing the secondary antibody.
Description : Which one of the following represents the correct sequence of stages in the life cycle of flukes? a. Cercaria to redia to miracidium to sporocyst b. Miracidium to sporocyst to redia to cercaria c. Metacercaria to redia to cercaria to sporocyst d. Redia to miracidium to metacercaria to cercaria
Last Answer : b. Miracidium to sporocyst to redia to cercaria
Description : Which of the following best represents the hierarchy of levels of biological classification? A- Phylum, kingdom, class, order, genus, species, family B- .Kingdom, phylum, class, order, family, genus, ... family, class, order, genus, species D- Class, order, kingdom, phylum, family, genus, species
Last Answer : .Kingdom, phylum, class, order, family, genus, species
Description : Which one of the following statements about the nucleoid is NOT true? a. It contains a DNA chromosome. b. It represents a nonmembranous subcompartment. c. It represents an area devoid of ribosomes. d. It contains nonessential genetic information.
Last Answer : d. It contains nonessential genetic information.
Description : Neoplasms are best characterized as: C A. Malignant tumors B. A proliferation of cells that is characterized by its ability to invade contiguous structures C. A cellular proliferation in which growth is for the most part autonomous D. None of these
Last Answer : A cellular proliferation in which growth is for the most part autonomous
Description : Which of the following terms refers to cells that lack normal cellular characteristics and differ in shape and organization with respect to their cells of origin? a) Anaplasia Usually, anaplastic cells are ... number of cells of a tissue, most often associated with a period of rapid body growth.
Last Answer : a) Anaplasia Usually, anaplastic cells are malignant.
Description : Ductal lavage is used for a) women at higher risk for benign proliferative breast disease. Performed in the doctor's office, a microcatheter is inserted through the nipple while instilling saline ... risk for benign proliferative breast disease; it is not specific for women with breast implants.
Last Answer : a) women at higher risk for benign proliferative breast disease. Performed in the doctor's office, a microcatheter is inserted through the nipple while instilling saline and retrieving the fluid ... population and has been found to be adept at detecting cellular changes within the breast tissue.
Description : Which of the following is seen in benign mucosal membrane pemphigoid:** A. Tzanck cells B. Intraepithelial vesicles C. Histopathology like aphthous ulcer D. Scarring of the conjunctiva
Last Answer : D. Scarring of the conjunctiva
Description : A clone is a colony of : (1) cells having different shapes (2) cells having similar shape (3) cells having similar genetic constitution (4) cells having different genetic constitutions
Last Answer : (3) cells having similar genetic constitution Explanation: A clone is a colony of cells having similar genetic constitutions. A clone is a group of identical cells that share a common ancestry, meaning ... (also called a genet), wherein the cells (usually unicellular) also share a common ancestry.
Last Answer : cells having similar genetic constitution
Description : ______ infections are more common in AIDS or cancer patients. a. Indigenous b. Opportunistic c. Primary d. Secondary
Last Answer : b. Opportunistic
Description : Some papillomaviruses are capable of causing a. A ―lacy‖ rash on the skin. b. Lung cancer. c. Pneumonia. d. Cervical cancer.
Last Answer : d. Cervical cancer.
Description : It has been discovered that Helicobacter pylori is the cause of ______. a. Acute Gastritis b. Gastric Ulcers c. Stomach Cancer d. A-C Are Correct
Last Answer : d. A-C Are Correct
Description : What needs to come into consideration when using UV light to sterilize? a. It Needs Direct Exposure b. It Can Cause Skin Cancer c. It May Not Be Effective Against All Kinds Of Endospores d. A-C Are Correct
Description : $ Rudolf Virchow was the first to propose that new cells arise only from the pre-existing cells. ! Dividing cells have a low content of DNA.
Last Answer : $ Rudolf Virchow was the first to propose that new cells arise only from the pre-existing cells. ! Dividing ... wrong D. If both As and R are wrong.