The primary immune response produced upon first encounter with a pathogen is of ____ intensity.
The primary response is of low intensity.
Question 302 of 446
📘 CLASS XII
Antibodies in the mother’s milk (colostrum) provide ____ immunity to the newborn infant.
The IgA antibodies in colostrum provide passive immunity.
Question 303 of 446
📘 CLASS XII
Vaccination works by generating memory B and T-cells that recognise the pathogen quickly on subsequent exposure and launch a massive production of ____.
Memory B and T-cells overwhelm invaders with a massive production of antibodies (anamnestic response).
Question 304 of 446
📘 CLASS XII
In cases of snakebites, the injection given contains ____ antibodies against the snake venom.
The injection given in cases of snakebites contains preformed antibodies against the snake venom.
Question 305 of 446
📘 CLASS XII
For determining the cause of allergy, the patient is exposed to or injected with very small doses of possible ____.
For determining the cause of allergy, the patient is exposed to or injected with very small doses of possible allergens.
Question 306 of 446
📘 CLASS XII
The use of drugs like anti-histamine, adrenaline and ____ quickly reduce the symptoms of allergy.
The use of drugs like anti-histamine, adrenalin and steroids quickly reduce the symptoms of allergy.
Question 307 of 446
📘 CLASS XII
The immune system plays an important role in allergic reactions, auto-immune diseases and organ ____.
The immune system also plays an important role in allergic reactions, auto-immune diseases and organ transplantation.
Question 308 of 446
📘 CLASS XII
The bone marrow is the main lymphoid organ where all ____ cells including lymphocytes are produced.
The bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.
Question 309 of 446
📘 CLASS XII
The ____ is quite large at the time of birth but keeps reducing in size with age, becoming very small by puberty.
The thymus is quite large at the time of birth but keeps reducing in size with age.
Question 310 of 446
📘 CLASS XII
The secondary lymphoid organs provide the sites for interaction of lymphocytes with the ____.
The secondary lymphoid organs provide the sites for interaction of lymphocytes with the antigen.
