Description : Fat present below the skin surface in our body acts as a barrier against – (1) loss of heat from the body (2) loss of essential body fluids (3) loss of salt from the body (4) entry of harmful micro-organisms from the environment
Last Answer : (1) loss of heat from the body Explanation: A layer of body fat acts as an insulator and traps heat. The subcutis is the deepest layer of skin. The subcutis, consisting of a network of collagen ... , helps conserve the body's heat and protects the body from injury by acting as a "shock absorber.
Description : Which one of the following acts as a physiological barrier to the entry of microorganisms in human body? a) Epithelium of Urogenital tract b) Tears c) Monocytes d) Skin
Last Answer : b) Tears
Description : In our body, fat present below to skin, which resist from
Last Answer : Loss of body heat
Description : Which of the following is a barrier to entry of pathogens? a. the skin b. tears c. nasal mucosa d. A-C are correct
Last Answer : d. A-C are correct
Description : The temperature for pasteurization of milk is selected so as to (a) Kill the micro-organisms (b) Kill all bacteria (c) Store it for long time without coagulation (d) Kill the micro organisms and other harmful bacteria
Last Answer : Ans:(c)
Description : As per the Competition Act, 2002, the sale of goods at a price, which is below the cost of production with a view to eliminate the competitors is called __________. a) predatory price b) preparatory price c) entry barrier price d) exit barrier price
Last Answer : a) predatory price
Description : 6 The blood-brain barrier, which restricts entry of many drugs into brain, is constituted by: A. P-glycoprotein efflux carriers in brain capillary cells B. Tight junctions between endothelial cells of brain capillaries C. Enzymes present in brain capillary walls D. All of the above
Last Answer : D. All of the above
Description : The blood-brain barrier, which restricts entry of many drugs into brain, is constituted by: A. P-glycoprotein efflux carriers in brain capillary cells B. Tight junctions between endothelial cells of brain capillaries C. Enzymes present in brain capillary walls D. All of the above
Description : Which of the following is true of loss of gastrointestinal secretions? A. Gastric losses are best replaced with a balanced salt solution. B. Potassium supplementation is unnecessary in ... bowel fistula. E. A patient with persistent vomiting usually requires hyperchloremic replacement fluids.
Last Answer : Answer: DE DISCUSSION: Gastric secretions are relatively high in chloride and potassium. Other than an isolated pancreatic fistula, gastrointestinal tract losses below the pylorus ... Although potassium concentrations are low, copious losses require potassium supplementation to prevent hypokalemia
Description : Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above
Last Answer : d. All the above
Description : An antibiotic is - (1) achemical synthesized by a human cell against a microorganism (2) a chemical synthesised by amicro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.
Last Answer : (2) a chemical synthesised by amicro-organism against another microorganisms Explanation: An antibacterial is an agent that inhibits bacterial growth or kills bacteria. The term is often used ... by a microorganism that is antagonistic to the growth of other microorganisms in high dilution.
Description : An antibiotic is (1) a chemical synthesized by a human cell against a microorganism (2) a chemical synthesised by a micro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.
Last Answer : a chemical synthesised by a micro-organism against another micro-organisms
Description : Biological oxidation ponds remove organic matters present in the polluted water by (A) Using the activities of bacteria and other micro organisms (B) Aerobic oxidation (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Pasteurisation of milk means (A) Removal of fatty and albuminous substance from it (B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics (C) Inhibiting the growth of micro-organisms without killing them (D) None of these
Last Answer : (B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics
Description : Assertion (A): Conserving our soil resources is critical to human survival. Reason (R): Soil is home to many micro-organisms and contains minerals. Choose the correct code: (A) Both (A) and (R) are correct and (R) is the ... (C) (A) is true and (R) is false. (D) (A) is false and (R) is true.
Last Answer : (A) Both (A) and (R) are correct and (R) is the correct explanation of (A).
Description : Is salt in sweat is an example of mechanical barrier that the body uses for protection?
Last Answer : Feel Free to Answer
Description : Essential fatty acid deficiency may complicate total parenteral nutrition (TPN). Which of the following statements are true? A. Essential fatty acid deficiency may be prevented by the ... , dry, scaly skin associated with a maculopapular rash indicates essential fatty acid deficiency.
Last Answer : Answer: BD DISCUSSION: Biochemical evidence of essential fatty acid deficiency may occur as early as 7 to 10 days following initiation of fat-free parenteral nutrition. The decrease in ... essential to the diagnosis of essential fatty acid deficiency, but this plasma abnormality is often present
Description : When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? (A) At high fluid velocity (B) At low velocity (C) When fluid flows past a smooth surface (D) None of these
Last Answer : (A) At high fluid velocity
Description : LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface ... Parallel (B) Mixed (C) Counter flow (D) Same in either 'a', b' or 'c'
Last Answer : (D) Same in either 'a', b' or 'c'
Description : Which of the following approaches does not give the defined action of contraceptive? (a) Hormonal contraceptives Prevent/retard entry of sperms, prevent ovulation and fertilisation (b) ... devices Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms
Last Answer : (b) Vasectomy Prevents spermatogenesis
Description : Which of the following is NOT an entry barrier to an industry? A. None of these B. Economies of scale C. Customer loyalty D. Bargaining power of suppliers
Last Answer : Bargaining power of suppliers
Description : _________ applications have a much lower barrier to entry than their locally installed competitors. a) IaaS b) CaaS c) PaaS d) None of the mentioned
Last Answer : None of the mentioned
Description : Point out the correct statement. a) Except for tightly managed SaaS cloud providers, the burden of resource management is still in the hands of the user b) Cloud computing vendors run very reliable ... barrier to entry cannot be accompanied by a low barrier to provisioning d) All of the mentioned
Last Answer : Cloud computing vendors run very reliable networks
Description : _______ is a pay-as-you-go model matches resources to need on an ongoing basis. a) Utility b) Elasticity c) Low barrier to entry d) All of the mentioned
Last Answer : Utility
Description : Which of the following is one of the unique attributes of Cloud Computing? a) utility type of delivery b) elasticity c) low barrier to entry d) all of the mentioned
Last Answer : all of the mentioned
Description : Which of the following is one of the unique attributes of Cloud Computing? a) utility type of delivery b) elasticity c) low barrier to entry
Description : Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage ... of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood
Last Answer : D. It regulates passage of substances from brain into blood
Description : which one of the following is not a function of Artificial Kidney? (a) To remove nitrogenous wastes from the blood. (b) To remove excess fluids from the blood. (c) To reabsorb essential nutrients from the blood. (d) To filter and purify the blood.
Last Answer : (c) To reabsorb essential nutrients from the blood.
Description : Which of the following measures is not an essential component of the management of moderately severe diabetic ketoacidosis: A. Insulin B. Intravenous fluids C. Potassium chloride D. Sodium bicarbonate
Last Answer : . Sodium bicarbonate
Description : Compared to amphibians what is an example of evolutionary novelty present in beings of the class Reptilia against the loss of water through the skin?
Last Answer : The reptile skin is keratinized and impermeable to water while the amphibian skin is permeable. The skin impermeability made impossible the cutaneous gas exchange performed by amphibians and respiration became dependent on internal organs like airways and lungs.
Description : The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of ... mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell
Last Answer : C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off
Description : Match the organisms in column-I with habitats in column-II. Column-I Column-II A. Halophiles (i) Hot springs B. Thermoacidophiles (ii) Aquatic environment C. Methanogens (iii)Guts of ruminants D. Cyanobacteria (iv) Salty area Select the correct ... , C-(ii), D-(i) (d) A-(ii), B-(iv), C-(iii), D-(i)
Last Answer : (a) A-(iv), B-(i), C-(iii), D-(ii)
Description : If you have a physical or mental condition that acts as a barrier to relationships, how do you handle it with other people?
Last Answer : I am on medication that has side effects that make me sleep all day. I end up lounging around and ask-publicing all day.
Description : $ Human population can be controlled with the help of certain devices such as condoms, copper T and diaphragm. ! All the above devices acts as barrier
Last Answer : $ Human population can be controlled with the help of certain devices such as condoms, copper T and diaphragm ... wrong D. If both As and R are wrong.
Description : What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?
Last Answer : plaama membrane
Description : Which one of the following parts of a ball bearing acts as a barrier between the balls preventing them from bumping into each other? (a) Inner race (b) Outer race (c) Rolling element (d) Cage
Last Answer : (d) Cage
Description : Pick up the correct statement from the following: (A) Central portion of a cyclone acts as a chimney through which air gets lifted (B) Cyclonic precipitation caused by a warm front is ... Greatest amount of orographic precipitation falls in the windward side of the barrier (D) All the above
Last Answer : Option D
Description : I read somewhere that it is very harmful to health if we use a microwave oven to heat and prepare our food. Is this true?
Last Answer : That interested me too and I checked it out. A microwave oven is only harmful if you bake it in it. :) An old girl in the United States wanted to dry her cat in it. I guess I don't have to ... out of the microwave doesn't "radiate" either, because the microwaves don't stick to it in the food.
Description : The Correct Statements with reference to single called organisms are (i) Complex substances are not broken down in to simpler substances. (ii) Simple diffusion is sufficient to meet the requirement of exchange of gases. (iii) Specialized ... b) (ii) and (iii) (c) (ii) and (iv) (d) (i) and (iv)
Last Answer : Answer: (c)
Description : Which of the following is used only for data entry and storage, and never for processing? A) Mouse B) Dumb terminal C) Micro computer D) Dedicated data entry system
Last Answer : Answer : B
Description : Which of the following is used only for data entry and storage, and never for processing? a. Mouse b. Dumb terminal c. Micro computer d. Dedicated data entry system
Last Answer : b. Dumb terminal