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

1 Answer

Answer :

A cellular proliferation in which growth is for the most
part autonomous

Related questions

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 : 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 : 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 : The most common type of brain neoplasm is the a) glioma. Gliomas are the most common brain neoplasms, accounting for about 45% of all brain tumors. b) angioma. Angiomas account for approximately 4% of brain ... for 15-20% of all brain tumors. d) neuroma. Neuromas account for 7% of all brain tumors.

Last Answer : a) glioma. Gliomas are the most common brain neoplasms, accounting for about 45% of all brain tumors.

Last Answer : Malignant tumor: - It is solid or hard. It grows very fast. It has a cover. The skin on top of it does not look different. Adjacent glands are affected by this tumor. It feels pain when pressed. It causes damage if injured or operated on. Cancer is often seen after surgery.

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 of the following statements regarding transforming growth factor b (TGF-b) are true? a. TGF-b expression is autoregulated b. TGF-b enhances collagen synthesis c. TGF-b inhibits extracellular matrix production d. TGF-b may inhibit or promote cellular proliferation

Last Answer : Answer: a, b, d TGF-b appears to be one of the key cytokines in control of tissue repair. TGF-b is strongly chemotactic for neutrophils, T cells, monocytes, and fibroblasts. ... TGF-b stimulates the proliferation of densely plated human marrow fibroblasts, but is inhibitory at high concentrations

Description : A pheromone is A) an endorphin released within the anterior pituitary. B) a growth factor related to the production of tumors. C) a product of a neurosecretory cell that acts on ... ) a regulatory hormone that stimulates or inhibits the release of hormones produced by other endocrine glands.

Last Answer : D) a chemical released by one animal to affect the behavior of another animal.

Description : Sometimes a tumor’s cells travel to another part of the body and form a new tumor. What is this process called?

Last Answer : Metastasis

Description : Which is correct about cell theory in view of current status of our knowledge about cell structure? (a) It needs modification due to discovery of subcellular structures like chloroplasts and ... Cell theory means that all living objects consists of cells whether or not capable of reproducing

Last Answer : (c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation.

Description : Neoplasms can be classified on the basis of A. histology B. aetiology C. behaviour D. all of above

Last Answer : histology

Description : Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure ... two (c) movement of water from cell A to B (d) movement of water from cell B to A.

Last Answer : (c) movement of water from cell A to B

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 : Overlay is: a) A part of an operating system b) A single contiguous memory that is used in olden days for running large programs by swapping c) Overloading the system with many user files d) None of The Above

Last Answer : b) A single contiguous memory that is used in olden days for running large programs by swapping

Description : Which of the following statement(s) is/are true concerning pharmacologic agents used to accelerate wound healing? a. A number of these agents are now currently approved for use in ... healing in chronic wounds d. Growth hormone functions by promoting fibroblast proliferation and collagen synthesis

Last Answer : Answer: b, c Currently there are no approved clinical agents that accelerate normal healing. Although a number of clinical trials are in progress, no agents are currently ... hormone administration significantly accelerates donor site healing, presumably due to its effects in minimizing catabolism

Description : Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder that cause wheezing due to (a) reduction in the secretion of surfactant by ... of bronchi and bronchioles (d) proliferation of fibrous tissues and damage of the alveolar walls.

Last Answer : (c) inflammation of bronchi and bronchioles

Description : During teeth eruption, the reduced enamel epithelium merges with the oral epithelium. What is the further development? A. Downgrowth of oral epithelium which replaces the reduced enamel ... which undermines the reduced enamel epithelium E. Gradual transformation of the reduced enamel epithelium

Last Answer : E. Gradual transformation of the reduced enamel epithelium

Description : Basal cell carcinoma is characterised by, a.Rapid growth and metastasis. b.Local cutaneous invasion. c. Inability to invade bone. d.Poor prognosis. e.Radiation resistance. f.Can not metastasise to the bone.

Last Answer : b.Local cutaneous invasion.

Description : Basal cell carcinoma is characterised by, A. Rapid growth and metastasis B. Local cutaneous invasion C. Inability to invade bone D. Poor prognosis E. Radiation resistance F. Can not metastasise to the bon

Last Answer : B. Local cutaneous invasion

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 : Proto-oncogenes: a. are only found in malignant tissues b. are retroviruses capable of causing tumour c. inactivates oncogenes d. regulates cell growth and differentiation

Last Answer : regulates cell growth and differentiation

Description : Which among the following is an extra constitutional growth in Indian democracy? a. Attorney General of India b. Autonomous Districts c. Political Parties d. Deputy Chairman of the Council of States

Last Answer : c. Political Parties

Description : How can the endoskeleton of echinoderms be characterized in comparison to analogous structures present in vertebrates, arthropods and molluscs?

Last Answer : The echinoderm skeleton is internal, i.e., it is an endoskeleton. It is made of calcium carbonate (calcareous). Vertebrates also have internal skeleton made of bones and cartilages. Arthropods ... of chitin, a chitinous exoskeleton. Some molluscs present a calcareous shell that works as exoskeleton.

Description : Which of the following structures is characterized by centralization, high formalization, extensive departmentalization, and a limited information network? (a) Technology model ; (b) Mechanistic model ; (c) Job satisfaction model ; (d) Organic model 

Last Answer : (b) Mechanistic model ;

Description : Reconstitution of the epithelial barrier (epithelialization) begins within hours of the initial injury. Which of the following statement(s) is/are true concerning the process of epithelialization? a. ... d. Visible scarring can occur only when the injury extends deeper than the superficial dermis

Last Answer : Answer: a, d The initial step of epithelialization involves epithelial cells from the basal layer of the wound edge flattening and migrating across the wound, completing wound coverage within 24- ... abrasions and burns may scar significantly. Whenever the dermis is incised, a scar will form

Description : Which of the following statement(s) is/are true concerning the proliferative phase of wound healing? a. The macrophage is the predominant cell type b. The pink or purple-red appearance of a wound ... amino acids, hydroxyproline and hydroxylysine d. The predominant collagen type in a scar is type 3

Last Answer : Answer: b, c The proliferative phase of wound healing begins with the formation of a provisional matrix of fibrin and fibronectin as part of the initial clot formation. Initially, the provisional ... The principal collagen type scar is type 1, with lesser amounts of type 3 collagen also present

Description : The following are true about atherosclerosis: C A. it often occurs in the heart chamber B. foamy macrophages are not seen in the lesion C. smooth muscle cells proliferation in the intima of vessel D. no deposition of lipid occurs in wall of blood vessel

Last Answer : smooth muscle cells proliferation in the intima of vessel

Description : The following are true about interleukins 1 (IL-1): a. it is produced mainly by the neutrophils b. it stimulates the proliferation of B and T cells c. it increases bone production d. it acts on the hypothalamus to cause fever

Last Answer : it stimulates the proliferation of B and T cell

Description : The uncontrolled proliferation of cells is termed as A- hyperplasia B- anaplasia C- metastasis D- all of these

Last Answer : hyperplasia

Description : The following effect(s) of tamoxifen citrate indicate(s) that it possesses tissue specific estrogenic action as well: A. Inhibition of breast cancer cells B. Endometrial proliferation C. Hot flushes in premenopausal women D. All of the above

Last Answer : B. Endometrial proliferation

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 : The parasites of malaria invade the body's ______ and bring on intense _________. a. White Blood Cells; Diarrhea b. White Blood Cells; Chills And Fever c. Red Blood Cells; Chills And Fever d. Red Blood Cells; Diarrhea

Last Answer : c. Red Blood Cells; Chills And Fever

Description : A benign tumor a. Will Metastasize. b. Represents Cancer. c. Is Malignant. d. Is A Clone Of Dividing Cells.

Last Answer : d. Is A Clone Of Dividing Cells.

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 : How did the first cellular structures evolve?

Last Answer : Ok. Just so you know, I am not a cell biologist! I study evolution. This will probably be rudimentary, although I hope the gist is understandable. First of all, cells existed before DNA did. Their ... a brain exercise, I haven't thought about an organism smaller than a fish in a long time! :)

Description : What chemical agent effects the skin lungs and cellular structures of the body.?

Last Answer : Feel Free to Answer

Description : State where are the stomata ideally located. Are they cellular structures?

Last Answer : Answer. Stomata are minute pores found on the surface of leaf. Yes they are cellular structures.

Description : Capitalism is characterized by all given below EXCEPT a. The elimination of financial risks b. Private ownership c. The ability to make profits d. The laws of supply and demand

Last Answer : a. The elimination of financial risks

Description : Are there ever days where there is precepitation in all 48 contiguous states on the same day?

Last Answer : I wonder if there’s proof of rain/snow covering the whole earth for a prolonged period.

Description : What is the most southernmost contiguous us state?

Last Answer : What is the answer ?

Description : What 3 countries have larger land areas than the contiguous US?

Last Answer : First of all, this is a basic question and you should know thatAbraham Lincoln's pie experiment really stands out in thisparticular question. Secondly, Sir, Isaac Newtons eternal doughnutexperiment ... appearance on Quantum Mechanics. Ihope this clears up your understanding on how trump is Ginger

Description : Compare the memory organization schemes of contiguous memory allocation, pure segmentation, and pure paging with respect to the following issues External fragmentation?

Last Answer : 1. Compare the memory organization schemes of contiguous memory allocation, pure segmentation, and pure paging with respect to the following issues: a. External fragmentationb. Internal fragmentation

Description : Which of the following are true regarding Chhota Nagpur? [CDS 1994] 1. It is one of the former princely states. 2. It is a plateau area in Jharkhand inhabited mainly by the tribals. 3. It is a name given to the contiguous tribal areas in ... M.P. (a) 1 and 3 (b) 2 and 3 (c) 1 and 2 (d) 1, 2 and 3

Last Answer : Ans: (c)

Description : What is not true for genetic code? (a) It is nearly universal. (b) It is degenerate. (c) It is unambiguous. (d) A codon in mRNA is read in a non-contiguous fashion.

Last Answer : (c) It is unambiguous.

Description : What is not true for genetic code? (a) It is nearly universal. (b) It is degenerate. (c) It is unambiguous. (d) A codon in mRNA is read in a non-contiguous fashion.

Last Answer : d) A codon in mRNA is read in a non-contiguous

Description : Which one is nota contiguous mask? A) 255.255.255.254 B) 255.255.224.0 C) 255.148.0.0 D) all are

Last Answer : 255.148.0.0

Description : A zone is a contiguous portion of a ………….. of the DNS namespace whose database records exist and are managed in a……….. DNS database file. A. domain, particular B. Class, particular C. tree, local D. Domain, every

Last Answer : A. domain, particular

Description : Which statement is wrong according to linear decoding : a. Address map is not contiguous. b. Confects occur if two of the select lines become active at the same time c. If all unused address lines are not used as chip selectors then these unused lines become don’t cares d. None of these

Last Answer : d. None of these

Description : If Echinochloa falls in frequency class ‘E’, the weed community is said to be a). Contiguous b). Heterogenous c). Homogenous d). Random

Last Answer : c). Homogenous