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Doctors Medicines MCQs Q&A

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Which of the following statement(s) is/are CORRECT for antigen activated effector T cells?
P. CD4+ cells make contact with macrophages and stimulate their microbicidal activity.
Q. CD4+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
S. CD8+ cells make contact with virus infected cells and kill them.
Name the tissue which has thin walled living cells enclosing a lot of intercellular spaces and stores nutrients and water.
Some amount of plasma, proteins and blood cells escape through the pores present in the walls of capillaries into the intercellular spaces in the tissue and form ______.
The dissolution of the middle lamellae or the entire cells, or the accumulation of liquid in the intercellular spaces of the abscission layer occur only in the tissue surrounding the
In the question two statements are given, followed by two conclusions, I and II. Read all the conclusions and then decide which of the given conclusions logically follow/s from the given statements. Statements: All white blood cells are red blood cells. Some blood cells are red blood cells. Conclusions: I. All blood cells are red blood cells, is a possibility. II. Some red blood cells are not blood cells.
In the given diagram, the triangle represents the set of people who possess a car; the square represents the set of people who possess a house; and the circle represents the set of people who possess gold. What is the total number of people who possess a house and gold but do not have a car?
In the given diagram, triangle represents the set of people who possess a car; square represents the set of people who possess a house; and circle represents the set of people who possess gold. What is the total number of people who possess a car and gold but do not have a house?
In the given diagram, the triangle represents the set of people who possess a car; the square represents the set of people who possess a house; and the circle represents the set of people who possess gold. The total number of people who possess only one among the three, that is, house, car or gold, is:
In SQL, if a value is entered in CHAR datatype which does not occupy all the length spaces then the remaining spaces will be occupied with blank spaces.
Consider the following statements and choose the correct answer:
1. Average density of soil is 2.65 gms. per ml.
2. The spaces present between soil particles in a given volume of soil are called pore spaces
3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil
4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition