The Terminal Side Of $\theta$ Lies on the Given Line in the Specified Quadrant

The terminal side of $\theta$ lies on the given line in the specified quadrant. Find the value of the given trigonometric function of $\theta$ by finding a point on the $\begin{array}{ccc}\text { Line } & \text { Quadrant } & \text { Evaluate: } \\2 x+y=0 & \text { IV } & \csc \theta\end{array}$

A) $\frac { \sqrt { 5 } } { 2 }$
B) $- \frac { 2 } { \sqrt { 5 } }$
C) $- \frac { \sqrt { 5 } } { 2 }$
D) $\frac { 2 } { \sqrt { 5 } }$
E) $- \frac { 2 } { 1 }$