Quinn reports he has no control over his life. He states he wants to go into the army, but he is stressed out over passing English. He knows that he needs a high school diploma in order to enlist but fears that he will not graduate. He stated that he cannot possibly face another recruiter right now. Quinn has:

The answer is generalised anxiety disorder (GAS).

Explanation:

Generalised anxiety disorder (GAS) is a condition characterised by constant feeling of distress and worry about many different situations. Often, the worry is greatly exaggerated, as the situations are not really threatening.

There are many causes for this disorder. It might be produced by inherited genes, substance abuse and a history of traumatic experiences. It can be treated with therapy and medication, such as antidepressants.

generalized anxiety disorder.

Explanation:

When someone or Individual think or worries so much about things then we say that the person or Individual is suffering from a kind of panic disorder which is known as Generalized Anxiety Disorder.

If you look at the question again we can see that Quinn thinks so much about academics and going in to the army. And also, it is said in the Question that Quinn has no control over his life and that means that Quinn is suffering from generalized anxiety disorder.

The disorder can be treated with therapies and medications.