Question

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Inverse age susceptibility is seen in babesiosis in animals, except those infected with Babesia canis
Reason (R) : A well developed complement system is lacking in young ones, due to which parasites can't penetrate the RBCs
In light of the above statements, choose the correct answer from the options given below.

• A. Both (A) and (R) are true and (R) is the correct explanation of (A).
• B. Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
• C. (A) is true but (R) is false.
• D. (A) is false but (R) is true.

Hint:

The complement system is crucial for Babesia entry into erythrocytes. Young calves are clinically resistant to babesiosis because their immature complement system prevents massive RBC parasitemia.

Answer 1

The Correct Option is A