Select the correct statements with respect to diseases and immunisation
if due to some reason B and T - lymphocytes are damaged, the body will not produce antibodies against a pathogen
injection of dead/inactivated pathogens causes passive immunity
certain protozoans have been used to mass produce hepatitis B vaccine
certain protozoans have been used to mass produce hepatitis B vaccine
A.
if due to some reason B and T - lymphocytes are damaged, the body will not produce antibodies against a pathogen
The primary and secondary immune responses are carried out with the help of two special types of lymphocytes present in our blood, i.e, B - lymphocytes and T- lymphocytes, The B- lymphocytes produce an array ( a range) of proteins in response to pathogens into our blood to fight with them. These proteins are called antibodies. The T- cells themselves do not secrete antibodies but the help B- cells to produce them.
Select the correct statement from the ones given below
Barbiturates, when given to criminals, make them tell the truth
Morphine is often given to person who has undergone surgery as a pain killer
Chewing tobacco lowers blood pressure and heart rate
Chewing tobacco lowers blood pressure and heart rate
Which one of the following acts as a physiological barrier to the entry of microorganisms in the human body?
Tears
Monocytes
Skin
Skin
Common cold is not cured by antibiotics because it is
caused by a virus
caused by a Gram-positive bacterium
caused by a Gram-negative bacterium
caused by a Gram-negative bacterium
where will you look for the sporozoites of the malarial parasite?
Red blood corpuscles of humans suffering from malaria
Spleen of infected humans
Salivary glands of freshly moulted female Anopheles mosquito
Salivary glands of freshly moulted female Anopheles mosquito
