  We study nonequilibrium critical relaxation properties of systems with
quenched extended defects, correlated in $\epsilon_d$ dimensions and randomly
distributed in the remaining $d-\epsilon_d$ dimensions. Using a field-theoretic
renormalization-group approach, we find the scaling behavior of the
nonequilibrium response and correlation functions and calculate the initial
slip exponents $\theta$ and $\theta^{\prime}$, which describe the growth of
correlations during the initial stage of the critical relaxation, in the
two-loop approximation.
